Exposure
ID
GRAVI.2025-09-22T08:20:21.843_1
Header ID
GRAVI.2025-09-22T08:20:21.843
Date updated
2025-09-22 08:31:00 UTC+0000
Release date
2025-09-22 08:20:21 UTC+0000
UTC Start
2025-09-22 08:20:21.843
UTC End
2025-09-22 08:26:21.843
MJD Start
60940.34747503
MJD End
60940.35164169667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0059735
Ambient temperature (°C)
12.03
Seeing (arcsec)
0.55
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 85.5540 85.9830 104.0000 105.3000
A0-J2 128.0880 128.3350 83.2000 84.5000
A0-K0 127.6770 127.5410 64.7220 65.9950
G1-J2 56.9050 56.7530 50.9000 52.1000
G1-K0 81.9510 81.7120 23.3290 24.2510
J2-K0 41.1120 41.2230 343.4120 344.1810
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 60940.34747503
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 85.554
HIERARCH ESO ISS PBL12 END 85.983
HIERARCH ESO ISS PBLA12 START 104.0
HIERARCH ESO ISS PBLA12 END 105.3
HIERARCH ESO ISS PBL13 START 128.088
HIERARCH ESO ISS PBL13 END 128.335
HIERARCH ESO ISS PBLA13 START 83.2
HIERARCH ESO ISS PBLA13 END 84.5
HIERARCH ESO ISS PBL14 START 127.677
HIERARCH ESO ISS PBL14 END 127.541
HIERARCH ESO ISS PBLA14 START 64.722
HIERARCH ESO ISS PBLA14 END 65.995
HIERARCH ESO ISS PBL23 START 56.905
HIERARCH ESO ISS PBL23 END 56.753
HIERARCH ESO ISS PBLA23 START 50.9
HIERARCH ESO ISS PBLA23 END 52.1
HIERARCH ESO ISS PBL24 START 81.951
HIERARCH ESO ISS PBL24 END 81.712
HIERARCH ESO ISS PBLA24 START 23.329
HIERARCH ESO ISS PBLA24 END 24.251
HIERARCH ESO ISS PBL34 START 41.112
HIERARCH ESO ISS PBL34 END 41.223
HIERARCH ESO ISS PBLA34 START 343.412
HIERARCH ESO ISS PBLA34 END 344.181
HIERARCH ESO ISS AMBI TAU0 START 0.005774
HIERARCH ESO ISS AMBI TAU0 END 0.006173
HIERARCH ESO ISS AMBI TEMP 12.03
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55