COVER INFORMATION Station: METSAHOV (Code Mh ) 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 METSAHOV (Code Mh ) 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: 22190.14 22190.14 22190.14 22190.14 22254.15 22254.15 22254.15 22254.15 Next BBC frequencies: 710.14 710.14 710.14 710.14 774.15 774.15 774.15 774.15 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 21 30 00 J1159+2914 10 26 37 55.1 142.5 -1.6 -20.3 0 0 21 30 00 21 40 00 =1156+295 10 36 39 55.8 146.1 -1.4 -18.5 600 77 21 30 01 --- Fri 12 Mar 2021 Day 71 --- 02 14 30 J1751+0939 15 11 54 31.3 131.9 -2.7 -22.0 16387 77 02 14 30 02 24 30 =1749+096 15 21 55 32.2 134.6 -2.5 -21.0 600 155 02 14 31 03 04 20 I16293 16 01 52 5.0 172.7 -0.5 -4.0 2355 155 03 04 20 03 06 20 --- 16 03 52 5.0 173.2 -0.5 -3.7 120 170 03 04 21 03 08 00 I16293 16 05 33 5.1 173.6 -0.5 -3.5 98 170 03 08 00 03 10 00 --- 16 07 33 5.1 174.0 -0.4 -3.2 120 185 03 08 01 03 11 00 I16293 16 08 33 5.1 174.3 -0.4 -3.1 58 185 03 11 00 03 13 00 --- 16 10 33 5.1 174.7 -0.4 -2.9 120 201 03 11 01 03 14 40 I16293 16 12 14 5.1 175.1 -0.4 -2.7 98 201 03 14 40 03 16 40 --- 16 14 14 5.2 175.6 -0.3 -2.4 120 216 03 14 41 03 17 40 I16293 16 15 14 5.2 175.8 -0.3 -2.3 58 216 03 17 40 03 19 40 --- 16 17 15 5.2 176.3 -0.3 -2.0 120 232 03 17 41 03 21 20 I16293 16 18 55 5.2 176.6 -0.2 -1.8 98 232 03 21 20 03 23 20 --- 16 20 55 5.2 177.1 -0.2 -1.6 120 247 03 21 21 03 24 20 I16293 16 21 55 5.2 177.3 -0.2 -1.5 58 247 03 24 20 03 26 20 --- 16 23 56 5.2 177.8 -0.2 -1.2 120 263 03 24 21 03 28 00 I16293 16 25 36 5.2 178.2 -0.1 -1.0 98 263 03 28 00 03 30 00 --- 16 27 36 5.3 178.6 -0.1 -0.8 120 278 03 28 01 03 31 00 I16293 16 28 36 5.3 178.8 -0.1 -0.6 58 278 03 31 00 03 33 00 --- 16 30 37 5.3 179.3 -0.1 -0.4 120 294 03 31 01 03 34 40 I16293 16 32 17 5.3 179.7 -0.0 -0.2 98 294 03 34 40 03 36 40 --- 16 34 17 5.3 180.1 0.0 0.1 120 309 03 34 41 03 37 40 I16293 16 35 17 5.3 180.4 0.0 0.2 58 309 03 37 40 03 39 40 --- 16 37 18 5.3 180.8 0.1 0.5 120 325 03 37 41 Schedule for METSAHOV (Code Mh ) 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 ---------------------------------------------------------------------------------------- --- Fri 12 Mar 2021 Day 71 --- 03 41 20 I16293 16 38 58 5.3 181.2 0.1 0.7 98 325 03 41 20 03 43 20 --- 16 40 58 5.2 181.7 0.1 0.9 120 340 03 41 21 03 44 20 I16293 16 41 59 5.2 181.9 0.1 1.0 58 340 03 44 20 03 46 20 --- 16 43 59 5.2 182.4 0.2 1.3 120 356 03 44 21 03 48 00 I16293 16 45 39 5.2 182.7 0.2 1.5 98 356 03 48 00 03 50 00 --- 16 47 40 5.2 183.2 0.2 1.7 120 371 03 48 01 03 51 00 I16293 16 48 40 5.2 183.4 0.3 1.9 58 371 03 51 00 03 53 00 --- 16 50 40 5.2 183.9 0.3 2.1 120 386 03 51 01 03 54 40 I16293 16 52 20 5.2 184.3 0.3 2.3 98 386 03 54 40 03 56 40 --- 16 54 21 5.2 184.7 0.3 2.6 120 402 03 54 41 03 57 40 I16293 16 55 21 5.1 185.0 0.4 2.7 58 402 03 57 40 03 59 40 --- 16 57 21 5.1 185.4 0.4 3.0 120 417 03 57 41 04 01 20 I16293 16 59 01 5.1 185.8 0.4 3.2 98 417 04 01 20 04 03 20 --- 17 01 02 5.1 186.2 0.5 3.4 120 433 04 01 21 04 04 20 I16293 17 02 02 5.1 186.5 0.5 3.5 58 433 04 04 20 04 06 20 --- 17 04 02 5.0 186.9 0.5 3.8 120 448 04 04 21 07 24 40 3C454.3 20 22 55 38.2 131.2 -2.5 -22.9 11791 448 07 24 40 07 30 00 --- 20 28 16 38.7 132.7 -2.4 -22.3 320 490 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: 12 Station: METSAHOV Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 11 Based on FREQ, BW, and/or DOPPLER in schedule. Used with PCAL = off LO sum= 22190.14 22190.14 22190.14 22190.14 22254.15 22254.15 22254.15 22254.15 BBC fr= 710.14 710.14 710.14 710.14 774.15 774.15 774.15 774.15 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 11 16 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 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. Doppler based on LSR frame and radio definition. Velocities: -1.50 -1.50 -1.50 -1.50 -1.50 -1.50 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. Doppler based on other sources. 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. Doppler based on other sources. 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. Doppler based on other sources. * 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. Doppler based on other sources. 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 5.600 128.717 J1159+2914 sess121.K1024line 1 2 5 6 7 9 10 11 12 13 14 0.167 22.667 J1625-2527 sess121.K1024line 1 2 5 6 7 9 10 11 12 13 14 2.833 57.763 J1751+0939 sess121.K1024line 1 2 5 6 7 9 10 11 12 13 14 0.167 22.667 3C454.3 sess121.K1024line 1 2 5 6 7 9 10 11 12 13 14 0.089 11.624 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