COVER INFORMATION Station: KVNTN (Code Kt ) Experiment: Episodic ejection from a low-mass YSO traced by H2O masers Exp. Code: EB084 Schedule Version: 1.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Olga Bayandina Address: JIVE NL Phone: +31 521 596 507 EMAIL: bayandina@jive.eu Fax: +31 521 596 507 Phone during observation: +31 521 596 507 Observing mode: MKV, 1024Mb/s Notes: Schedule for KVNTN (Code Kt ) Page 2 Episodic ejection from a low-mass YSO traced by H2O masers UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 11 Mar 2021 Day 70 --- Next scan frequencies: 22190.15 22190.15 22254.15 22254.15 22318.15 22318.15 22382.15 22382.15 22190.15 22190.15 22254.15 22254.15 22318.15 22318.15 22382.15 22382.15 Next BBC frequencies: 9009.85 9009.85 8945.85 8945.85 8881.85 8881.85 8817.85 8817.85 9009.85 9009.85 8945.85 8945.85 8881.85 8881.85 8817.85 8817.85 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 21 30 00 J1159+2914 17 14 53 24.3 -70.0 5.2 64.0 0 0 21 30 00 21 40 00 =1156+295 17 24 55 22.4 -68.9 5.4 63.2 600 155 21 30 01 21 41 50 J1625-2527 17 26 45 29.5 195.5 1.0 14.3 17 155 21 41 50 21 42 50 =1622-253 17 27 45 29.5 195.7 1.0 14.6 60 170 21 41 51 21 42 50 I16293 17 27 45 30.8 194.3 0.9 13.2 -3 170 No stop 21 44 50 --- 17 29 45 30.7 194.9 0.9 13.6 117 201 21 42 51 21 44 50 J1625-2527 17 29 45 29.3 196.2 1.0 15.0 -3 201 No stop 21 45 50 =1622-253 17 30 46 29.3 196.5 1.1 15.2 57 216 21 44 51 21 45 50 I16293 17 30 46 30.6 195.1 1.0 13.9 -3 216 No stop 21 47 50 --- 17 32 46 30.5 195.6 1.0 14.3 117 247 21 45 51 21 48 30 J1625-2527 17 33 26 29.1 197.2 1.1 15.9 37 247 21 48 30 21 49 30 =1622-253 17 34 26 29.1 197.4 1.1 16.1 60 263 21 48 31 21 49 30 I16293 17 34 26 30.4 196.1 1.0 14.7 -3 263 No stop 21 51 30 --- 17 36 27 30.3 196.6 1.0 15.2 117 294 21 49 31 21 51 30 J1625-2527 17 36 27 28.9 197.9 1.2 16.5 -3 294 No stop 21 52 30 =1622-253 17 37 27 28.9 198.2 1.2 16.8 57 309 21 51 31 21 52 30 I16293 17 37 27 30.2 196.8 1.1 15.4 -3 309 No stop 21 54 30 --- 17 39 27 30.1 197.3 1.1 15.9 117 340 21 52 31 21 55 10 J1625-2527 17 40 07 28.7 198.8 1.2 17.4 37 340 21 55 10 21 56 10 =1622-253 17 41 07 28.6 199.1 1.2 17.6 60 356 21 55 11 21 56 10 I16293 17 41 07 30.0 197.7 1.1 16.3 -3 356 No stop 21 58 10 --- 17 43 08 29.9 198.3 1.2 16.7 117 386 21 56 11 21 58 10 J1625-2527 17 43 08 28.5 199.5 1.3 18.1 -3 386 No stop 21 59 10 =1622-253 17 44 08 28.4 199.8 1.3 18.3 57 402 21 58 11 21 59 10 I16293 17 44 08 29.8 198.5 1.2 17.0 -3 402 No stop 22 01 10 --- 17 46 08 29.7 199.0 1.2 17.4 117 433 21 59 11 Schedule for KVNTN (Code Kt ) Page 3 Episodic ejection from a low-mass YSO traced by H2O masers UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 11 Mar 2021 Day 70 --- 22 01 50 J1625-2527 17 46 48 28.2 200.4 1.3 18.9 37 433 22 01 50 22 02 50 =1622-253 17 47 48 28.1 200.7 1.3 19.1 60 448 22 01 51 22 02 50 I16293 17 47 48 29.6 199.4 1.2 17.8 -3 448 No stop 22 04 50 --- 17 49 49 29.4 199.9 1.3 18.2 117 479 22 02 51 22 04 50 J1625-2527 17 49 49 28.0 201.2 1.4 19.5 -3 479 No stop 22 05 50 =1622-253 17 50 49 27.9 201.4 1.4 19.8 57 495 22 04 51 22 05 50 I16293 17 50 49 29.3 200.2 1.3 18.5 -3 495 No stop 22 07 50 --- 17 52 49 29.2 200.7 1.3 18.9 117 526 22 05 51 22 08 30 J1625-2527 17 53 29 27.7 202.1 1.4 20.3 37 526 22 08 30 22 09 30 =1622-253 17 54 30 27.6 202.3 1.5 20.6 60 541 22 08 31 22 09 30 I16293 17 54 30 29.1 201.1 1.3 19.3 -3 541 No stop 22 11 30 --- 17 56 30 28.9 201.6 1.4 19.7 117 572 22 09 31 22 11 30 J1625-2527 17 56 30 27.5 202.8 1.5 21.0 -3 572 No stop 22 12 30 =1622-253 17 57 30 27.4 203.0 1.5 21.2 57 587 22 11 31 22 12 30 I16293 17 57 30 28.8 201.8 1.4 20.0 -3 587 No stop 22 14 30 --- 17 59 30 28.7 202.3 1.4 20.4 117 618 22 12 31 22 15 10 J1625-2527 18 00 10 27.2 203.6 1.6 21.8 37 618 22 15 10 22 16 10 =1622-253 18 01 11 27.1 203.9 1.6 22.0 60 634 22 15 11 22 16 10 I16293 18 01 11 28.6 202.7 1.5 20.8 -3 634 No stop 22 18 10 --- 18 03 11 28.4 203.2 1.5 21.2 117 665 22 16 11 22 18 10 J1625-2527 18 03 11 26.9 204.3 1.6 22.4 -3 665 No stop 22 19 10 =1622-253 18 04 11 26.8 204.6 1.6 22.7 57 680 22 18 11 22 19 10 I16293 18 04 11 28.3 203.4 1.5 21.4 -3 680 No stop 22 21 10 --- 18 06 11 28.1 203.9 1.5 21.9 117 711 22 19 11 22 21 50 J1625-2527 18 06 52 26.6 205.2 1.7 23.2 37 711 22 21 50 22 22 50 =1622-253 18 07 52 26.5 205.4 1.7 23.4 60 727 22 21 51 22 22 50 I16293 18 07 52 28.0 204.3 1.6 22.2 -3 727 No stop 22 24 50 --- 18 09 52 27.8 204.8 1.6 22.7 117 757 22 22 51 22 24 50 J1625-2527 18 09 52 26.3 205.9 1.7 23.9 -3 757 No stop 22 25 50 =1622-253 18 10 52 26.2 206.1 1.7 24.1 57 773 22 24 51 Schedule for KVNTN (Code Kt ) Page 4 Episodic ejection from a low-mass YSO traced by H2O masers UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 11 Mar 2021 Day 70 --- 22 25 50 I16293 18 10 52 27.7 205.0 1.6 22.9 -3 773 No stop 22 27 50 --- 18 12 53 27.6 205.5 1.7 23.3 117 804 22 25 51 22 28 30 J1625-2527 18 13 33 26.0 206.7 1.8 24.6 37 804 22 28 30 22 29 30 =1622-253 18 14 33 25.9 207.0 1.8 24.8 60 819 22 28 31 22 29 30 I16293 18 14 33 27.4 205.9 1.7 23.7 -3 819 No stop 22 31 30 --- 18 16 33 27.2 206.4 1.7 24.1 117 850 22 29 31 22 31 30 J1625-2527 18 16 33 25.7 207.4 1.8 25.2 -3 850 No stop 22 32 30 =1622-253 18 17 33 25.6 207.6 1.8 25.5 57 866 22 31 31 22 32 30 I16293 18 17 33 27.1 206.6 1.7 24.3 -3 866 No stop 22 34 30 --- 18 19 34 26.9 207.1 1.8 24.7 117 897 22 32 31 22 35 10 J1625-2527 18 20 14 25.3 208.2 1.9 26.0 37 897 22 35 10 22 36 10 =1622-253 18 21 14 25.2 208.5 1.9 26.2 60 912 22 35 11 22 36 10 I16293 18 21 14 26.8 207.5 1.8 25.1 -3 912 No stop 22 38 10 --- 18 23 14 26.6 207.9 1.8 25.5 117 943 22 36 11 22 38 10 J1625-2527 18 23 14 25.0 208.9 1.9 26.6 -3 943 No stop 22 39 10 =1622-253 18 24 14 24.9 209.1 2.0 26.8 57 958 22 38 11 22 39 10 I16293 18 24 14 26.5 208.1 1.8 25.7 -3 958 No stop 22 41 10 --- 18 26 15 26.3 208.6 1.9 26.1 117 989 22 39 11 22 41 50 J1625-2527 18 26 55 24.7 209.7 2.0 27.3 37 989 22 41 50 22 42 50 =1622-253 18 27 55 24.6 210.0 2.0 27.5 60 1005 22 41 51 22 42 50 I16293 18 27 55 26.1 209.0 1.9 26.4 -3 1005 No stop 22 44 50 --- 18 29 55 25.9 209.4 1.9 26.8 117 1036 22 42 51 22 44 50 J1625-2527 18 29 55 24.3 210.4 2.0 27.9 -3 1036 No stop 22 45 50 =1622-253 18 30 55 24.2 210.6 2.1 28.1 57 1051 22 44 51 22 45 50 I16293 18 30 55 25.8 209.7 2.0 27.0 -3 1051 No stop 22 47 50 --- 18 32 56 25.6 210.1 2.0 27.4 117 1082 22 45 51 22 48 30 J1625-2527 18 33 36 24.0 211.2 2.1 28.7 37 1082 22 48 30 22 49 30 =1622-253 18 34 36 23.8 211.4 2.1 28.9 60 1098 22 48 31 22 49 30 I16293 18 34 36 25.4 210.5 2.0 27.8 -3 1098 No stop 22 51 30 --- 18 36 36 25.2 210.9 2.0 28.2 117 1128 22 49 31 Schedule for KVNTN (Code Kt ) Page 5 Episodic ejection from a low-mass YSO traced by H2O masers UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 11 Mar 2021 Day 70 --- 22 51 30 J1625-2527 18 36 36 23.6 211.8 2.2 29.3 -3 1128 No stop 22 52 30 =1622-253 18 37 37 23.5 212.1 2.2 29.4 57 1144 22 51 31 22 52 30 I16293 18 37 37 25.1 211.2 2.1 28.4 -3 1144 No stop 22 54 30 --- 18 39 37 24.9 211.6 2.1 28.8 117 1175 22 52 31 22 55 10 J1625-2527 18 40 17 23.2 212.6 2.2 30.0 37 1175 22 55 10 22 56 10 =1622-253 18 41 17 23.1 212.8 2.2 30.2 60 1190 22 55 11 22 56 10 I16293 18 41 17 24.7 212.0 2.1 29.1 -3 1190 No stop 22 58 10 --- 18 43 18 24.5 212.4 2.2 29.5 117 1221 22 56 11 22 58 10 J1625-2527 18 43 18 22.9 213.3 2.3 30.5 -3 1221 No stop 22 59 10 =1622-253 18 44 18 22.8 213.5 2.3 30.7 57 1237 22 58 11 22 59 10 I16293 18 44 18 24.4 212.6 2.2 29.7 -3 1237 No stop 23 01 10 --- 18 46 18 24.1 213.0 2.2 30.1 117 1268 22 59 11 23 01 50 J1625-2527 18 46 58 22.4 214.0 2.3 31.2 37 1268 23 01 50 23 02 50 =1622-253 18 47 58 22.3 214.3 2.3 31.4 60 1283 23 01 51 23 02 50 I16293 18 47 58 23.9 213.4 2.2 30.4 -3 1283 No stop 23 04 50 --- 18 49 59 23.7 213.8 2.3 30.8 117 1314 23 02 51 23 04 50 J1625-2527 18 49 59 22.1 214.7 2.4 31.8 -3 1314 No stop 23 05 50 =1622-253 18 50 59 22.0 214.9 2.4 32.0 57 1329 23 04 51 23 05 50 I16293 18 50 59 23.6 214.1 2.3 31.0 -3 1329 No stop 23 07 50 --- 18 52 59 23.4 214.5 2.3 31.3 117 1360 23 05 51 23 08 30 J1625-2527 18 53 39 21.7 215.4 2.4 32.5 37 1360 23 08 30 23 09 30 =1622-253 18 54 39 21.5 215.6 2.5 32.7 60 1376 23 08 31 23 09 30 I16293 18 54 39 23.2 214.8 2.4 31.7 -3 1376 No stop 23 11 30 --- 18 56 40 22.9 215.3 2.4 32.0 117 1407 23 09 31 23 11 30 J1625-2527 18 56 40 21.3 216.0 2.5 33.0 -3 1407 No stop 23 12 30 =1622-253 18 57 40 21.2 216.2 2.5 33.2 57 1422 23 11 31 23 12 30 I16293 18 57 40 22.8 215.5 2.4 32.2 -3 1422 No stop 23 14 30 --- 18 59 40 22.6 215.9 2.4 32.6 117 1453 23 12 31 23 15 10 J1625-2527 19 00 20 20.8 216.8 2.6 33.7 37 1453 23 15 10 23 16 10 =1622-253 19 01 20 20.7 217.0 2.6 33.9 60 1469 23 15 11 Schedule for KVNTN (Code Kt ) Page 6 Episodic ejection from a low-mass YSO traced by H2O masers UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 11 Mar 2021 Day 70 --- 23 16 10 I16293 19 01 20 22.3 216.2 2.5 32.9 -3 1469 No stop 23 18 10 --- 19 03 21 22.1 216.6 2.5 33.2 117 1499 23 16 11 23 18 10 J1625-2527 19 03 21 20.4 217.4 2.6 34.2 -3 1499 No stop 23 19 10 =1622-253 19 04 21 20.3 217.6 2.6 34.4 57 1515 23 18 11 23 19 10 I16293 19 04 21 22.0 216.8 2.5 33.4 -3 1515 No stop 23 21 10 --- 19 06 21 21.7 217.3 2.5 33.8 117 1546 23 19 11 23 21 50 J1625-2527 19 07 01 20.0 218.1 2.7 34.9 37 1546 23 21 50 23 22 50 =1622-253 19 08 02 19.8 218.3 2.7 35.0 60 1561 23 21 51 23 22 50 I16293 19 08 02 21.5 217.6 2.6 34.1 -3 1561 No stop 23 24 50 --- 19 10 02 21.3 218.0 2.6 34.4 117 1592 23 22 51 23 24 50 J1625-2527 19 10 02 19.6 218.7 2.7 35.4 -3 1592 No stop 23 25 50 =1622-253 19 11 02 19.5 218.9 2.7 35.6 57 1608 23 24 51 23 25 50 I16293 19 11 02 21.1 218.2 2.6 34.6 -3 1608 No stop 23 27 50 --- 19 13 02 20.9 218.6 2.7 35.0 117 1639 23 25 51 23 28 30 J1625-2527 19 13 43 19.1 219.4 2.8 36.0 37 1639 23 28 30 23 29 30 =1622-253 19 14 43 19.0 219.6 2.8 36.2 60 1654 23 28 31 23 29 30 I16293 19 14 43 20.6 218.9 2.7 35.3 -3 1654 No stop 23 31 30 --- 19 16 43 20.4 219.3 2.7 35.6 117 1685 23 29 31 23 31 30 J1625-2527 19 16 43 18.7 220.0 2.8 36.5 -3 1685 No stop 23 32 30 =1622-253 19 17 43 18.6 220.2 2.8 36.7 57 1700 23 31 31 23 32 30 I16293 19 17 43 20.2 219.5 2.7 35.8 -3 1700 No stop 23 34 30 --- 19 19 43 20.0 219.9 2.8 36.1 117 1731 23 32 31 23 35 10 J1625-2527 19 20 24 18.2 220.7 2.9 37.1 37 1731 23 35 10 23 36 10 =1622-253 19 21 24 18.1 220.9 2.9 37.3 60 1747 23 35 11 23 36 10 I16293 19 21 24 19.8 220.2 2.8 36.4 -3 1747 No stop 23 38 10 --- 19 23 24 19.5 220.6 2.8 36.7 117 1778 23 36 11 23 38 10 J1625-2527 19 23 24 17.8 221.3 2.9 37.6 -4 1778 No stop 23 39 10 =1622-253 19 24 24 17.7 221.4 3.0 37.8 56 1793 23 38 11 23 39 10 I16293 19 24 24 19.3 220.8 2.8 36.9 -3 1793 No stop 23 41 10 --- 19 26 25 19.1 221.2 2.9 37.3 117 1824 23 39 11 Schedule for KVNTN (Code Kt ) Page 7 Episodic ejection from a low-mass YSO traced by H2O masers UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 11 Mar 2021 Day 70 --- 23 41 50 J1625-2527 19 27 05 17.3 221.9 3.0 38.2 36 1824 23 41 50 23 42 50 =1622-253 19 28 05 17.1 222.1 3.0 38.4 60 1840 23 41 51 23 42 50 I16293 19 28 05 18.8 221.5 2.9 37.5 -4 1840 No stop 23 44 50 --- 19 30 05 18.6 221.9 2.9 37.9 116 1870 23 42 51 23 44 50 J1625-2527 19 30 05 16.9 222.5 3.1 38.7 -4 1870 No stop 23 45 50 =1622-253 19 31 05 16.7 222.7 3.1 38.9 56 1886 23 44 51 23 45 50 I16293 19 31 05 18.4 222.1 3.0 38.0 -4 1886 No stop 23 47 50 --- 19 33 06 18.1 222.5 3.0 38.4 116 1917 23 45 51 23 48 30 J1625-2527 19 33 46 16.3 223.2 3.1 39.3 36 1917 23 48 30 23 49 30 =1622-253 19 34 46 16.2 223.4 3.1 39.5 60 1932 23 48 31 23 49 30 I16293 19 34 46 17.9 222.8 3.0 38.6 -4 1932 No stop 23 51 30 --- 19 36 46 17.6 223.2 3.1 38.9 116 1963 23 49 31 23 51 30 J1625-2527 19 36 46 15.9 223.7 3.2 39.8 -4 1963 No stop 23 52 30 =1622-253 19 37 46 15.8 223.9 3.2 40.0 56 1979 23 51 31 23 52 30 I16293 19 37 46 17.5 223.4 3.1 39.1 -4 1979 No stop 23 54 30 --- 19 39 47 17.2 223.7 3.1 39.4 116 2010 23 52 31 23 55 10 J1625-2527 19 40 27 15.4 224.4 3.2 40.4 36 2010 23 55 10 23 56 10 =1622-253 19 41 27 15.2 224.6 3.2 40.5 60 2025 23 55 11 23 56 10 I16293 19 41 27 16.9 224.0 3.1 39.7 -4 2025 No stop 23 58 10 --- 19 43 27 16.6 224.4 3.2 40.0 116 2056 23 56 11 23 58 10 J1625-2527 19 43 27 14.9 224.9 3.3 40.8 -4 2056 No stop 23 59 10 =1622-253 19 44 28 14.8 225.1 3.3 41.0 56 2071 23 58 11 --- Start: Thu 11 Mar 2021 Day 70 -- Stop: Fri 12 Mar 2021 Day 71 --- 23 59 10 I16293 19 44 28 16.5 224.6 3.2 40.2 -4 2071 No stop 00 01 10 --- 19 46 28 16.2 224.9 3.2 40.5 116 2102 23 59 11 00 01 50 J1625-2527 19 47 08 14.4 225.6 3.3 41.4 36 2102 00 01 50 00 02 50 =1622-253 19 48 08 14.2 225.7 3.4 41.5 60 2118 00 01 51 00 02 50 I16293 19 48 08 16.0 225.2 3.2 40.7 -4 2118 No stop 00 04 50 --- 19 50 08 15.7 225.6 3.3 41.0 116 2149 00 02 51 Schedule for KVNTN (Code Kt ) Page 8 Episodic ejection from a low-mass YSO traced by H2O masers UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 12 Mar 2021 Day 71 --- 00 04 50 J1625-2527 19 50 08 13.9 226.1 3.4 41.8 -4 2149 No stop 00 05 50 =1622-253 19 51 09 13.8 226.3 3.4 42.0 56 2164 00 04 51 00 05 50 I16293 19 51 09 15.5 225.8 3.3 41.2 -4 2164 No stop 00 07 50 --- 19 53 09 15.2 226.1 3.3 41.5 116 2195 00 05 51 00 08 30 J1625-2527 19 53 49 13.4 226.7 3.4 42.4 36 2195 00 08 30 00 09 30 =1622-253 19 54 49 13.2 226.9 3.5 42.5 60 2211 00 08 31 00 09 30 I16293 19 54 49 15.0 226.4 3.4 41.7 -4 2211 No stop 00 11 30 --- 19 56 50 14.7 226.8 3.4 42.0 116 2241 00 09 31 00 11 30 J1625-2527 19 56 50 12.9 227.2 3.5 42.8 -4 2241 No stop 00 12 30 =1622-253 19 57 50 12.8 227.4 3.5 43.0 56 2257 00 11 31 00 12 30 I16293 19 57 50 14.5 227.0 3.4 42.2 -4 2257 No stop 00 14 30 --- 19 59 50 14.2 227.3 3.4 42.5 116 2288 00 12 31 00 15 10 J1625-2527 20 00 30 12.3 227.8 3.6 43.4 36 2288 00 15 10 00 16 10 =1622-253 20 01 30 12.2 228.0 3.6 43.5 60 2303 00 15 11 00 16 10 I16293 20 01 30 13.9 227.6 3.5 42.7 -4 2303 No stop 00 18 10 --- 20 03 31 13.6 227.9 3.5 43.0 116 2334 00 16 11 00 18 10 J1625-2527 20 03 31 11.9 228.3 3.6 43.8 -4 2334 No stop 00 19 10 =1622-253 20 04 31 11.7 228.5 3.6 43.9 56 2350 00 18 11 00 19 10 I16293 20 04 31 13.5 228.1 3.5 43.1 -4 2350 No stop 00 21 10 --- 20 06 31 13.2 228.4 3.5 43.4 116 2381 00 19 11 00 21 50 J1625-2527 20 07 11 11.3 229.0 3.7 44.3 36 2381 00 21 50 00 22 50 =1622-253 20 08 11 11.1 229.1 3.7 44.5 60 2396 00 21 51 00 22 50 I16293 20 08 11 12.9 228.7 3.6 43.7 -4 2396 No stop 00 24 50 --- 20 10 12 12.6 229.1 3.6 44.0 116 2427 00 22 51 00 24 50 J1625-2527 20 10 12 10.8 229.5 3.7 44.7 -4 2427 No stop 00 25 50 =1622-253 20 11 12 10.7 229.6 3.7 44.9 56 2442 00 24 51 00 25 50 I16293 20 11 12 12.4 229.2 3.6 44.1 -4 2442 No stop 00 27 50 --- 20 13 12 12.1 229.6 3.7 44.4 116 2473 00 25 51 00 28 30 J1625-2527 20 13 52 10.2 230.0 3.8 45.2 36 2473 00 28 30 00 29 30 =1622-253 20 14 53 10.1 230.2 3.8 45.4 60 2489 00 28 31 Schedule for KVNTN (Code Kt ) Page 9 Episodic ejection from a low-mass YSO traced by H2O masers UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 12 Mar 2021 Day 71 --- 00 29 30 I16293 20 14 53 11.8 229.8 3.7 44.6 -4 2489 No stop 00 31 30 --- 20 16 53 11.5 230.2 3.7 44.9 116 2520 00 29 31 00 31 30 J1625-2527 20 16 53 9.8 230.5 3.8 45.6 -4 2520 No stop 00 32 30 =1622-253 20 17 53 9.6 230.7 3.8 45.8 56 2535 00 31 31 00 32 30 I16293 20 17 53 11.4 230.3 3.7 45.0 -4 2535 No stop 00 34 30 --- 20 19 53 11.0 230.7 3.8 45.3 116 2566 00 32 31 00 35 10 J1625-2527 20 20 33 9.2 231.1 3.9 46.1 36 2566 00 35 10 00 36 10 =1622-253 20 21 34 9.0 231.3 3.9 46.3 60 2582 00 35 11 00 36 10 I16293 20 21 34 10.8 230.9 3.8 45.5 -4 2582 No stop 00 38 10 --- 20 23 34 10.4 231.3 3.8 45.8 116 2612 00 36 11 00 38 10 J1625-2527 20 23 34 8.7 231.6 3.9 46.5 -4 2612 No stop 00 39 10 =1622-253 20 24 34 8.5 231.7 4.0 46.7 56 2628 00 38 11 00 39 10 I16293 20 24 34 10.3 231.4 3.8 45.9 -4 2628 No stop 00 41 10 --- 20 26 34 9.9 231.7 3.9 46.2 116 2659 00 39 11 00 41 50 J1625-2527 20 27 15 8.1 232.2 4.0 47.0 36 2659 00 41 50 00 42 50 =1622-253 20 28 15 7.9 232.3 4.0 47.1 60 2674 00 41 51 00 42 50 I16293 20 28 15 9.7 232.0 3.9 46.4 -4 2674 No stop 00 44 50 --- 20 30 15 9.3 232.3 3.9 46.7 116 2705 00 42 51 00 44 50 J1625-2527 20 30 15 7.6 232.6 4.1 47.4 -4 2705 No stop 00 45 50 =1622-253 20 31 15 7.4 232.8 4.1 47.5 56 2721 00 44 51 00 45 50 I16293 20 31 15 9.2 232.5 4.0 46.8 -4 2721 No stop 00 47 50 --- 20 33 16 8.8 232.8 4.0 47.0 116 2752 00 45 51 00 48 30 J1625-2527 20 33 56 7.0 233.2 4.1 47.9 36 2752 00 48 30 00 49 30 =1622-253 20 34 56 6.8 233.3 4.1 48.0 60 2767 00 48 31 00 49 30 I16293 20 34 56 8.6 233.1 4.0 47.3 -4 2767 No stop 00 51 30 --- 20 36 56 8.2 233.4 4.1 47.5 116 2798 00 49 31 00 51 30 J1625-2527 20 36 56 6.5 233.7 4.2 48.2 -4 2798 No stop 00 52 30 =1622-253 20 37 56 6.3 233.8 4.2 48.4 56 2813 00 51 31 00 52 30 I16293 20 37 56 8.1 233.5 4.1 47.6 -4 2813 No stop 00 54 30 --- 20 39 57 7.7 233.8 4.1 47.9 116 2844 00 52 31 Schedule for KVNTN (Code Kt ) Page 10 Episodic ejection from a low-mass YSO traced by H2O masers UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 12 Mar 2021 Day 71 --- 00 55 10 J1625-2527 20 40 37 5.8 234.2 4.2 48.7 36 2844 00 55 10 00 56 10 =1622-253 20 41 37 5.7 234.4 4.2 48.8 60 2860 00 55 11 00 56 10 I16293 20 41 37 7.4 234.1 4.1 48.1 -4 2860 No stop 00 58 10 --- 20 43 37 7.1 234.4 4.2 48.3 116 2891 00 56 11 00 58 10 J1625-2527 20 43 37 5.3 234.7 4.3 49.1 -4 2891 No stop 00 59 10 =1622-253 20 44 37 5.1 234.8 4.3 49.2 56 2906 00 58 11 00 59 10 I16293 20 44 37 6.9 234.6 4.2 48.5 -4 2906 No stop 01 01 10 --- 20 46 38 6.6 234.9 4.2 48.7 116 2937 00 59 11 01 02 50 I16293 20 48 18 6.3 235.1 4.2 48.9 98 2937 01 02 50 01 04 50 --- 20 50 18 5.9 235.4 4.3 49.2 120 2968 01 02 51 01 05 50 I16293 20 51 18 5.8 235.6 4.3 49.3 58 2968 01 05 50 01 07 50 --- 20 53 19 5.4 235.9 4.3 49.5 120 2999 01 05 51 02 13 50 J1751+0939 21 59 30 28.8 262.4 4.1 57.2 3945 2999 02 13 50 02 23 50 =1749+096 22 09 31 26.7 263.9 4.3 57.5 600 3153 02 13 51 07 24 40 3C454.3 03 11 11 30.3 270.2 4.3 60.5 18007 3153 07 24 40 07 30 00 --- 03 16 32 29.2 271.0 4.4 60.5 320 3236 07 24 41 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess121.K1024line --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 15 Station: KVNTN Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 Net SB= L U L U L U L U L U L U L U L U IF SB = L L L L L L L L L L L L L L L L Pol. = LCP LCP LCP LCP LCP LCP LCP LCP RCP RCP RCP RCP RCP RCP RCP RCP BBC = 1 1 1 1 1 1 1 1 3 3 3 3 3 3 3 3 BBC SB= U L U L U L U L U L U L U L U L IF = A A A A A A A A B B B B B B B B The following frequency sets based on these setups were used. Frequency Set: 2 Setup file default. Used with PCAL = off LO sum= 22190.15 22190.15 22254.15 22254.15 22318.15 22318.15 22382.15 22382.15 22190.15 22190.15 22254.15 22254.15 22318.15 22318.15 22382.15 22382.15 BBC fr= 9009.85 9009.85 8945.85 8945.85 8881.85 8881.85 8817.85 8817.85 9009.85 9009.85 8945.85 8945.85 8881.85 8881.85 8817.85 8817.85 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 2 3 4 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * I16293 16 29 21.029212 * 16 32 22.889000 16 33 39.136030 0.00 -24 22 16.19896 *-24 28 36.25000 -24 31 13.73813 0.00 From catalog imbedded in main SCHED input file. 1156+295 11 56 57.786211 * 11 59 31.833912 12 00 37.566702 0.00 * J1159+2914 29 31 25.73880 * 29 14 43.82690 29 07 36.65098 0.00 J1159+29 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 78215 observations. 1622-253 16 22 44.105299 * 16 25 46.891640 16 27 03.571803 0.00 * J1625-2527 -25 20 51.69567 *-25 27 38.32687 -25 30 26.60296 0.01 J1625-25 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 49739 observations. 1749+096 17 49 10.387930 * 17 51 32.818574 17 52 32.093321 0.00 * J1751+0939 09 39 42.82586 * 09 39 00.72841 09 38 32.04392 0.00 J1751+09 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 192391 observations. * 3C454.3 22 51 29.519739 * 22 53 57.747939 22 54 58.292945 0.65 J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 25.84320 0.73 2251+158 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 observations. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline I16293 sess121.K1024line 1 2 5 6 7 9 10 11 12 13 14 + 5.600 213.433 J1159+2914 sess121.K1024line 1 2 5 6 7 9 10 11 12 13 14 + 0.167 28.500 J1625-2527 sess121.K1024line 1 2 5 6 7 9 10 11 12 13 14 + 2.833 100.991 J1751+0939 sess121.K1024line 1 2 5 6 7 9 10 11 12 13 14 + 0.167 28.500 3C454.3 sess121.K1024line 1 2 5 6 7 9 10 11 12 13 14 + 0.089 13.278 EFFECT OF SOLAR CORONA The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) I16293 101.3 J1159+2914 153.1 J1625-2527 102.6 J1751+0939 84.9 3C454.3 21.3 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg