Exposure
ID
GRAVI.2025-09-21T07:34:43.722_1
Header ID
GRAVI.2025-09-21T07:34:43.722
Date updated
2025-09-21 07:50:53 UTC+0000
Release date
2025-09-21 07:34:43 UTC+0000
UTC Start
2025-09-21 07:34:43.722
UTC End
2025-09-21 07:40:43.722
MJD Start
60939.31578382
MJD End
60939.319950486664
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003073
Ambient temperature (°C)
10.18
Seeing (arcsec)
0.745
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 81.4100 82.0070 94.2000 95.4000
A0-J2 125.1520 125.6130 72.6000 74.0000
A0-K0 127.9000 127.9470 54.4660 55.7850
G1-J2 57.7670 57.6890 41.5000 42.7000
G1-K0 83.4480 83.2960 15.9220 16.8700
J2-K0 40.0180 40.1780 337.4380 338.1820
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 60939.31578382
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 81.41
HIERARCH ESO ISS PBL12 END 82.007
HIERARCH ESO ISS PBLA12 START 94.2
HIERARCH ESO ISS PBLA12 END 95.4
HIERARCH ESO ISS PBL13 START 125.152
HIERARCH ESO ISS PBL13 END 125.613
HIERARCH ESO ISS PBLA13 START 72.6
HIERARCH ESO ISS PBLA13 END 74.0
HIERARCH ESO ISS PBL14 START 127.9
HIERARCH ESO ISS PBL14 END 127.947
HIERARCH ESO ISS PBLA14 START 54.466
HIERARCH ESO ISS PBLA14 END 55.785
HIERARCH ESO ISS PBL23 START 57.767
HIERARCH ESO ISS PBL23 END 57.689
HIERARCH ESO ISS PBLA23 START 41.5
HIERARCH ESO ISS PBLA23 END 42.7
HIERARCH ESO ISS PBL24 START 83.448
HIERARCH ESO ISS PBL24 END 83.296
HIERARCH ESO ISS PBLA24 START 15.922
HIERARCH ESO ISS PBLA24 END 16.87
HIERARCH ESO ISS PBL34 START 40.018
HIERARCH ESO ISS PBL34 END 40.178
HIERARCH ESO ISS PBLA34 START 337.438
HIERARCH ESO ISS PBLA34 END 338.182
HIERARCH ESO ISS AMBI TAU0 START 0.003099
HIERARCH ESO ISS AMBI TAU0 END 0.003047
HIERARCH ESO ISS AMBI TEMP 10.18
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.8