Exposure
ID
GRAVI.2025-09-22T07:54:09.776_1
Header ID
GRAVI.2025-09-22T07:54:09.776
Date updated
2025-09-22 08:10:52 UTC+0000
Release date
2025-09-22 07:54:09 UTC+0000
UTC Start
2025-09-22 07:54:09.776
UTC End
2025-09-22 08:00:09.776
MJD Start
60940.32927981
MJD End
60940.33344647667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006456
Ambient temperature (°C)
11.96
Seeing (arcsec)
0.625
Observation
ID
70481
Category
calibrator
Program ID
115.282L.002
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER / BECK
Target
ID
52264
Name
HD_28690
RA
67.067971
DEC
-56.01681
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 83.5300 84.0480 98.9000 100.1000
A0-J2 126.7450 127.1110 77.7000 79.0000
A0-K0 127.9720 127.9390 59.3510 60.6440
G1-J2 57.4320 57.3220 46.0000 47.2000
G1-K0 82.8260 82.6350 19.4410 20.3760
J2-K0 40.5830 40.7190 340.2300 340.9860
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60940.32927981
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 28690
HIERARCH ESO INS SOBJ NAME HD_28690
RA 67.067971
DEC -56.01681
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 83.53
HIERARCH ESO ISS PBL12 END 84.048
HIERARCH ESO ISS PBLA12 START 98.9
HIERARCH ESO ISS PBLA12 END 100.1
HIERARCH ESO ISS PBL13 START 126.745
HIERARCH ESO ISS PBL13 END 127.111
HIERARCH ESO ISS PBLA13 START 77.7
HIERARCH ESO ISS PBLA13 END 79.0
HIERARCH ESO ISS PBL14 START 127.972
HIERARCH ESO ISS PBL14 END 127.939
HIERARCH ESO ISS PBLA14 START 59.351
HIERARCH ESO ISS PBLA14 END 60.644
HIERARCH ESO ISS PBL23 START 57.432
HIERARCH ESO ISS PBL23 END 57.322
HIERARCH ESO ISS PBLA23 START 46.0
HIERARCH ESO ISS PBLA23 END 47.2
HIERARCH ESO ISS PBL24 START 82.826
HIERARCH ESO ISS PBL24 END 82.635
HIERARCH ESO ISS PBLA24 START 19.441
HIERARCH ESO ISS PBLA24 END 20.376
HIERARCH ESO ISS PBL34 START 40.583
HIERARCH ESO ISS PBL34 END 40.719
HIERARCH ESO ISS PBLA34 START 340.23
HIERARCH ESO ISS PBLA34 END 340.986
HIERARCH ESO ISS AMBI TAU0 START 0.006997
HIERARCH ESO ISS AMBI TAU0 END 0.005915
HIERARCH ESO ISS AMBI TEMP 11.96
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.54