Exposure
ID
GRAVI.2025-08-24T09:04:32.710_1
Header ID
GRAVI.2025-08-24T09:04:32.710
Date updated
2025-08-24 09:15:55 UTC+0000
Release date
2025-08-24 09:04:32 UTC+0000
UTC Start
2025-08-24 09:04:32.710
UTC End
2025-08-24 09:08:32.710
MJD Start
60911.37815637
MJD End
60911.38093414778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0051494999999999996
Ambient temperature (°C)
3.98
Seeing (arcsec)
0.8300000000000001
Observation
ID
70106
Category
calibrator
Program ID
115.27Z4.001
Program Title
ARE SYMBIOTIC BINARIES WITH ELLIPSOIDAL VARIABILITY REALLY ROCHE LOBE FILLING OR IT IS JUST WIND?
Program Type
Normal
PI / COI
MERC / BOFFIN
Target
ID
52013
Name
HD_35642
RA
81.461608
DEC
-10.28334
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 47.6780 47.7860 142.4000 142.4000
A0-J2 96.5170 98.0950 84.2000 84.5000
A0-J6 154.1130 154.2140 4.0590 4.7430
B5-J2 82.0370 83.1930 54.7000 55.4000
B5-J6 192.3510 192.2480 354.5730 355.1070
J2-J6 167.3070 167.4400 329.4240 329.5400
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27Z4.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60911.37815637
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 35642
HIERARCH ESO INS SOBJ NAME HD_35642
RA 81.461608
DEC -10.28334
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 260.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 24
HIERARCH ESO ISS PBL12 START 47.678
HIERARCH ESO ISS PBL12 END 47.786
HIERARCH ESO ISS PBLA12 START 142.4
HIERARCH ESO ISS PBLA12 END 142.4
HIERARCH ESO ISS PBL13 START 96.517
HIERARCH ESO ISS PBL13 END 98.095
HIERARCH ESO ISS PBLA13 START 84.2
HIERARCH ESO ISS PBLA13 END 84.5
HIERARCH ESO ISS PBL14 START 154.113
HIERARCH ESO ISS PBL14 END 154.214
HIERARCH ESO ISS PBLA14 START 4.059
HIERARCH ESO ISS PBLA14 END 4.743
HIERARCH ESO ISS PBL23 START 82.037
HIERARCH ESO ISS PBL23 END 83.193
HIERARCH ESO ISS PBLA23 START 54.7
HIERARCH ESO ISS PBLA23 END 55.4
HIERARCH ESO ISS PBL24 START 192.351
HIERARCH ESO ISS PBL24 END 192.248
HIERARCH ESO ISS PBLA24 START 354.573
HIERARCH ESO ISS PBLA24 END 355.107
HIERARCH ESO ISS PBL34 START 167.307
HIERARCH ESO ISS PBL34 END 167.44
HIERARCH ESO ISS PBLA34 START 329.424
HIERARCH ESO ISS PBLA34 END 329.54
HIERARCH ESO ISS AMBI TAU0 START 0.004703
HIERARCH ESO ISS AMBI TAU0 END 0.005596
HIERARCH ESO ISS AMBI TEMP 3.98
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.8