Exposure
ID
GRAVI.2025-09-21T08:24:55.850_1
Header ID
GRAVI.2025-09-21T08:24:55.850
Date updated
2025-09-21 08:40:49 UTC+0000
Release date
2025-09-21 08:24:55 UTC+0000
UTC Start
2025-09-21 08:24:55.850
UTC End
2025-09-21 08:30:55.850
MJD Start
60939.35064641
MJD End
60939.354813076665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0027365000000000002
Ambient temperature (°C)
10.18
Seeing (arcsec)
0.6799999999999999
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 85.5950 86.0230 104.1000 105.4000
A0-J2 128.1120 128.3570 83.3000 84.7000
A0-K0 127.6650 127.5270 64.8390 66.1150
G1-J2 56.8920 56.7380 51.1000 52.2000
G1-K0 81.9300 81.6890 23.4140 24.3370
J2-K0 41.1220 41.2330 343.4830 344.2540
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 60939.35064641
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 85.595
HIERARCH ESO ISS PBL12 END 86.023
HIERARCH ESO ISS PBLA12 START 104.1
HIERARCH ESO ISS PBLA12 END 105.4
HIERARCH ESO ISS PBL13 START 128.112
HIERARCH ESO ISS PBL13 END 128.357
HIERARCH ESO ISS PBLA13 START 83.3
HIERARCH ESO ISS PBLA13 END 84.7
HIERARCH ESO ISS PBL14 START 127.665
HIERARCH ESO ISS PBL14 END 127.527
HIERARCH ESO ISS PBLA14 START 64.839
HIERARCH ESO ISS PBLA14 END 66.115
HIERARCH ESO ISS PBL23 START 56.892
HIERARCH ESO ISS PBL23 END 56.738
HIERARCH ESO ISS PBLA23 START 51.1
HIERARCH ESO ISS PBLA23 END 52.2
HIERARCH ESO ISS PBL24 START 81.93
HIERARCH ESO ISS PBL24 END 81.689
HIERARCH ESO ISS PBLA24 START 23.414
HIERARCH ESO ISS PBLA24 END 24.337
HIERARCH ESO ISS PBL34 START 41.122
HIERARCH ESO ISS PBL34 END 41.233
HIERARCH ESO ISS PBLA34 START 343.483
HIERARCH ESO ISS PBLA34 END 344.254
HIERARCH ESO ISS AMBI TAU0 START 0.002795
HIERARCH ESO ISS AMBI TAU0 END 0.002678
HIERARCH ESO ISS AMBI TEMP 10.18
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.63