Exposure
ID
GRAVI.2025-09-21T08:00:25.788_1
Header ID
GRAVI.2025-09-21T08:00:25.788
Date updated
2025-09-21 08:16:23 UTC+0000
Release date
2025-09-21 08:00:25 UTC+0000
UTC Start
2025-09-21 08:00:25.788
UTC End
2025-09-21 08:06:25.788
MJD Start
60939.3336318
MJD End
60939.337798466666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0025155
Ambient temperature (°C)
10.14
Seeing (arcsec)
0.9099999999999999
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 83.7230 84.2350 99.3000 100.6000
A0-J2 126.8830 127.2390 78.2000 79.5000
A0-K0 127.9620 127.9210 59.8280 61.1220
G1-J2 57.3920 57.2780 46.4000 47.6000
G1-K0 82.7570 82.5610 19.7860 20.7220
J2-K0 40.6340 40.7680 340.5080 341.2670
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 60939.3336318
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 83.723
HIERARCH ESO ISS PBL12 END 84.235
HIERARCH ESO ISS PBLA12 START 99.3
HIERARCH ESO ISS PBLA12 END 100.6
HIERARCH ESO ISS PBL13 START 126.883
HIERARCH ESO ISS PBL13 END 127.239
HIERARCH ESO ISS PBLA13 START 78.2
HIERARCH ESO ISS PBLA13 END 79.5
HIERARCH ESO ISS PBL14 START 127.962
HIERARCH ESO ISS PBL14 END 127.921
HIERARCH ESO ISS PBLA14 START 59.828
HIERARCH ESO ISS PBLA14 END 61.122
HIERARCH ESO ISS PBL23 START 57.392
HIERARCH ESO ISS PBL23 END 57.278
HIERARCH ESO ISS PBLA23 START 46.4
HIERARCH ESO ISS PBLA23 END 47.6
HIERARCH ESO ISS PBL24 START 82.757
HIERARCH ESO ISS PBL24 END 82.561
HIERARCH ESO ISS PBLA24 START 19.786
HIERARCH ESO ISS PBLA24 END 20.722
HIERARCH ESO ISS PBL34 START 40.634
HIERARCH ESO ISS PBL34 END 40.768
HIERARCH ESO ISS PBLA34 START 340.508
HIERARCH ESO ISS PBLA34 END 341.267
HIERARCH ESO ISS AMBI TAU0 START 0.002392
HIERARCH ESO ISS AMBI TAU0 END 0.002639
HIERARCH ESO ISS AMBI TEMP 10.14
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.97