Exposure
ID
GRAVI.2025-12-01T07:53:13.747_1
Header ID
GRAVI.2025-12-01T07:53:13.747
Date updated
2025-12-01 08:06:34 UTC+0000
Release date
2025-12-01 07:53:13 UTC+0000
UTC Start
2025-12-01 07:53:13.747
UTC End
2025-12-01 07:59:53.747
MJD Start
61010.32863133
MJD End
61010.333260959625
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0033474999999999998
Ambient temperature (°C)
13.31
Seeing (arcsec)
0.61
Observation
ID
71945
Category
calibrator
Program ID
116.28SD.001
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / BECK
Target
ID
53412
Name
HD_81319
RA
140.386311
DEC
-67.07571
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 35.9170 36.2160 128.3000 129.5000
A0-J2 127.1250 127.3780 71.5000 73.1000
A0-J6 141.2630 140.8990 18.5740 19.7490
B5-J2 111.5790 111.4800 55.9000 57.4000
B5-J6 157.0590 156.8860 6.1440 7.2030
J2-J6 120.2440 121.0970 321.0760 322.1650
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SD.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61010.32863133
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 81319
HIERARCH ESO INS SOBJ NAME HD_81319
RA 140.386311
DEC -67.07571
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 35.917
HIERARCH ESO ISS PBL12 END 36.216
HIERARCH ESO ISS PBLA12 START 128.3
HIERARCH ESO ISS PBLA12 END 129.5
HIERARCH ESO ISS PBL13 START 127.125
HIERARCH ESO ISS PBL13 END 127.378
HIERARCH ESO ISS PBLA13 START 71.5
HIERARCH ESO ISS PBLA13 END 73.1
HIERARCH ESO ISS PBL14 START 141.263
HIERARCH ESO ISS PBL14 END 140.899
HIERARCH ESO ISS PBLA14 START 18.574
HIERARCH ESO ISS PBLA14 END 19.749
HIERARCH ESO ISS PBL23 START 111.579
HIERARCH ESO ISS PBL23 END 111.48
HIERARCH ESO ISS PBLA23 START 55.9
HIERARCH ESO ISS PBLA23 END 57.4
HIERARCH ESO ISS PBL24 START 157.059
HIERARCH ESO ISS PBL24 END 156.886
HIERARCH ESO ISS PBLA24 START 6.144
HIERARCH ESO ISS PBLA24 END 7.203
HIERARCH ESO ISS PBL34 START 120.244
HIERARCH ESO ISS PBL34 END 121.097
HIERARCH ESO ISS PBLA34 START 321.076
HIERARCH ESO ISS PBLA34 END 322.165
HIERARCH ESO ISS AMBI TAU0 START 0.003542
HIERARCH ESO ISS AMBI TAU0 END 0.003153
HIERARCH ESO ISS AMBI TEMP 13.31
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.64