Exposure
ID
GRAVI.2025-12-13T00:36:35.762_1
Header ID
GRAVI.2025-12-13T00:36:35.762
Date updated
2025-12-13 00:51:00 UTC+0000
Release date
2025-12-13 00:36:35 UTC+0000
UTC Start
2025-12-13 00:36:35.762
UTC End
2025-12-13 00:43:15.762
MJD Start
61022.02541391
MJD End
61022.03004353963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0039505
Ambient temperature (°C)
10.32
Seeing (arcsec)
0.715
Observation
ID
72252
Category
calibrator
Program ID
116.28SD.002
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / BECK
Target
ID
53658
Name
HD_31793
RA
73.893802
DEC
-55.23789
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 66.6720 67.6520 68.1000 69.9000
A0-J2 112.8860 113.6540 44.6000 46.4000
A0-K0 124.3570 124.6050 28.0130 29.6470
G1-J2 58.2040 58.2120 17.4000 18.8000
G1-K0 85.0190 85.0360 357.6700 358.7360
J2-K0 36.0420 36.3650 324.6700 325.3670
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SD.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61022.02541391
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 31793
HIERARCH ESO INS SOBJ NAME HD_31793
RA 73.893802
DEC -55.23789
HIERARCH ESO INS SPEC RES HIGH
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 66.672
HIERARCH ESO ISS PBL12 END 67.652
HIERARCH ESO ISS PBLA12 START 68.1
HIERARCH ESO ISS PBLA12 END 69.9
HIERARCH ESO ISS PBL13 START 112.886
HIERARCH ESO ISS PBL13 END 113.654
HIERARCH ESO ISS PBLA13 START 44.6
HIERARCH ESO ISS PBLA13 END 46.4
HIERARCH ESO ISS PBL14 START 124.357
HIERARCH ESO ISS PBL14 END 124.605
HIERARCH ESO ISS PBLA14 START 28.013
HIERARCH ESO ISS PBLA14 END 29.647
HIERARCH ESO ISS PBL23 START 58.204
HIERARCH ESO ISS PBL23 END 58.212
HIERARCH ESO ISS PBLA23 START 17.4
HIERARCH ESO ISS PBLA23 END 18.8
HIERARCH ESO ISS PBL24 START 85.019
HIERARCH ESO ISS PBL24 END 85.036
HIERARCH ESO ISS PBLA24 START 357.67
HIERARCH ESO ISS PBLA24 END 358.736
HIERARCH ESO ISS PBL34 START 36.042
HIERARCH ESO ISS PBL34 END 36.365
HIERARCH ESO ISS PBLA34 START 324.67
HIERARCH ESO ISS PBLA34 END 325.367
HIERARCH ESO ISS AMBI TAU0 START 0.004261
HIERARCH ESO ISS AMBI TAU0 END 0.00364
HIERARCH ESO ISS AMBI TEMP 10.32
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.71