Exposure
ID
GRAVI.2025-12-14T06:26:34.049_1
Header ID
GRAVI.2025-12-14T06:26:34.049
Date updated
2025-12-14 06:40:59 UTC+0000
Release date
2026-12-14 06:40:59 UTC+0000
UTC Start
2025-12-14 06:26:34.049
UTC End
2025-12-14 06:31:54.049
MJD Start
61023.26844964
MJD End
61023.27215334371
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0018755
Ambient temperature (°C)
13.13
Seeing (arcsec)
1.625
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 86.1990 86.6180 105.6000 106.7000
A0-J2 127.7400 128.0400 83.7000 84.8000
A0-K0 127.9670 127.9240 64.0210 65.1030
G1-J2 57.6780 57.5740 49.6000 50.7000
G1-K0 85.5260 85.3420 21.9980 22.7890
J2-K0 43.6170 43.7100 344.1400 344.7910
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 61023.26844964
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 86.199
HIERARCH ESO ISS PBL12 END 86.618
HIERARCH ESO ISS PBLA12 START 105.6
HIERARCH ESO ISS PBLA12 END 106.7
HIERARCH ESO ISS PBL13 START 127.74
HIERARCH ESO ISS PBL13 END 128.04
HIERARCH ESO ISS PBLA13 START 83.7
HIERARCH ESO ISS PBLA13 END 84.8
HIERARCH ESO ISS PBL14 START 127.967
HIERARCH ESO ISS PBL14 END 127.924
HIERARCH ESO ISS PBLA14 START 64.021
HIERARCH ESO ISS PBLA14 END 65.103
HIERARCH ESO ISS PBL23 START 57.678
HIERARCH ESO ISS PBL23 END 57.574
HIERARCH ESO ISS PBLA23 START 49.6
HIERARCH ESO ISS PBLA23 END 50.7
HIERARCH ESO ISS PBL24 START 85.526
HIERARCH ESO ISS PBL24 END 85.342
HIERARCH ESO ISS PBLA24 START 21.998
HIERARCH ESO ISS PBLA24 END 22.789
HIERARCH ESO ISS PBL34 START 43.617
HIERARCH ESO ISS PBL34 END 43.71
HIERARCH ESO ISS PBLA34 START 344.14
HIERARCH ESO ISS PBLA34 END 344.791
HIERARCH ESO ISS AMBI TAU0 START 0.002286
HIERARCH ESO ISS AMBI TAU0 END 0.001465
HIERARCH ESO ISS AMBI TEMP 13.13
HIERARCH ESO ISS AMBI FWHM START 1.45
HIERARCH ESO ISS AMBI FWHM END 1.8