Exposure
ID
GRAVI.2024-10-22T03:06:45.730_1
Header ID
GRAVI.2024-10-22T03:06:45.730
Date updated
2024-10-22 03:20:44 UTC+0000
Release date
2024-10-22 03:06:45 UTC+0000
UTC Start
2024-10-22 03:06:45.730
UTC End
2024-10-22 03:10:45.730
MJD Start
60605.12969595
MJD End
60605.1324737278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003195
Ambient temperature (°C)
11.91
Seeing (arcsec)
0.685
Observation
ID
61094
Category
calibrator
Program ID
114.27CL.001
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATION BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
45450
Name
HD_20855
RA
49.723908
DEC
-57.97828
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 73.1430 73.6690 76.5000 77.5000
A0-J2 119.0680 119.4840 54.5000 55.6000
A0-K0 126.6740 126.7860 37.7010 38.6930
G1-J2 58.1480 58.1340 26.3000 27.2000
G1-K0 83.4150 83.3860 4.3630 5.0460
J2-K0 36.6460 36.8170 327.9490 328.4460
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27CL.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60605.12969595
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 20855
HIERARCH ESO INS SOBJ NAME HD_20855
RA 49.723908
DEC -57.97828
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 265.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 80
HIERARCH ESO ISS PBL12 START 73.143
HIERARCH ESO ISS PBL12 END 73.669
HIERARCH ESO ISS PBLA12 START 76.5
HIERARCH ESO ISS PBLA12 END 77.5
HIERARCH ESO ISS PBL13 START 119.068
HIERARCH ESO ISS PBL13 END 119.484
HIERARCH ESO ISS PBLA13 START 54.5
HIERARCH ESO ISS PBLA13 END 55.6
HIERARCH ESO ISS PBL14 START 126.674
HIERARCH ESO ISS PBL14 END 126.786
HIERARCH ESO ISS PBLA14 START 37.701
HIERARCH ESO ISS PBLA14 END 38.693
HIERARCH ESO ISS PBL23 START 58.148
HIERARCH ESO ISS PBL23 END 58.134
HIERARCH ESO ISS PBLA23 START 26.3
HIERARCH ESO ISS PBLA23 END 27.2
HIERARCH ESO ISS PBL24 START 83.415
HIERARCH ESO ISS PBL24 END 83.386
HIERARCH ESO ISS PBLA24 START 4.363
HIERARCH ESO ISS PBLA24 END 5.046
HIERARCH ESO ISS PBL34 START 36.646
HIERARCH ESO ISS PBL34 END 36.817
HIERARCH ESO ISS PBLA34 START 327.949
HIERARCH ESO ISS PBLA34 END 328.446
HIERARCH ESO ISS AMBI TAU0 START 0.003439
HIERARCH ESO ISS AMBI TAU0 END 0.002951
HIERARCH ESO ISS AMBI TEMP 11.91
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.76