Exposure
ID
GRAVI.2025-12-14T06:20:34.034_1
Header ID
GRAVI.2025-12-14T06:20:34.034
Date updated
2025-12-14 06:36:01 UTC+0000
Release date
2026-12-14 06:36:01 UTC+0000
UTC Start
2025-12-14 06:20:34.034
UTC End
2025-12-14 06:25:54.034
MJD Start
61023.2642828
MJD End
61023.267986503706
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.001748
Ambient temperature (°C)
13.25
Seeing (arcsec)
1.9700000000000002
Observation
ID
72278
Category
science
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
53683
Name
HD_66940
RA
120.869763
DEC
-49.4984
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 85.7380 86.1800 104.6000 105.6000
A0-J2 127.3940 127.7260 82.5000 83.6000
A0-K0 127.9810 127.9680 62.8890 63.9740
G1-J2 57.7750 57.6820 48.6000 49.6000
G1-K0 85.7080 85.5340 21.1710 21.9640
J2-K0 43.5150 43.6130 343.4670 344.1120
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SD.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61023.2642828
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 66940
HIERARCH ESO INS SOBJ NAME HD_66940
RA 120.869763
DEC -49.4984
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 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 85.738
HIERARCH ESO ISS PBL12 END 86.18
HIERARCH ESO ISS PBLA12 START 104.6
HIERARCH ESO ISS PBLA12 END 105.6
HIERARCH ESO ISS PBL13 START 127.394
HIERARCH ESO ISS PBL13 END 127.726
HIERARCH ESO ISS PBLA13 START 82.5
HIERARCH ESO ISS PBLA13 END 83.6
HIERARCH ESO ISS PBL14 START 127.981
HIERARCH ESO ISS PBL14 END 127.968
HIERARCH ESO ISS PBLA14 START 62.889
HIERARCH ESO ISS PBLA14 END 63.974
HIERARCH ESO ISS PBL23 START 57.775
HIERARCH ESO ISS PBL23 END 57.682
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 85.708
HIERARCH ESO ISS PBL24 END 85.534
HIERARCH ESO ISS PBLA24 START 21.171
HIERARCH ESO ISS PBLA24 END 21.964
HIERARCH ESO ISS PBL34 START 43.515
HIERARCH ESO ISS PBL34 END 43.613
HIERARCH ESO ISS PBLA34 START 343.467
HIERARCH ESO ISS PBLA34 END 344.112
HIERARCH ESO ISS AMBI TAU0 START 0.00121
HIERARCH ESO ISS AMBI TAU0 END 0.002286
HIERARCH ESO ISS AMBI TEMP 13.25
HIERARCH ESO ISS AMBI FWHM START 2.49
HIERARCH ESO ISS AMBI FWHM END 1.45