Exposure
ID
GRAVI.2025-12-13T05:58:21.581_1
Header ID
GRAVI.2025-12-13T05:58:21.581
Date updated
2025-12-13 06:15:58 UTC+0000
Release date
2026-12-13 06:15:58 UTC+0000
UTC Start
2025-12-13 05:58:21.581
UTC End
2025-12-13 06:04:21.581
MJD Start
61022.24886089
MJD End
61022.25302755667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003137
Ambient temperature (°C)
10.2
Seeing (arcsec)
1.04
Observation
ID
72260
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
53666
Name
HD_28550
RA
67.113605
DEC
-37.61374
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 87.0020 86.6320 138.0000 139.3000
A0-J2 116.7310 115.6190 115.3000 116.5000
A0-K0 110.0480 108.5950 91.3040 92.2910
G1-J2 49.5950 48.9470 72.7000 73.4000
G1-K0 80.9710 80.3950 39.8220 40.2980
J2-K0 47.6370 47.6150 5.4290 6.1320
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 61022.24886089
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 28550
HIERARCH ESO INS SOBJ NAME HD_28550
RA 67.113605
DEC -37.61374
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 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 87.002
HIERARCH ESO ISS PBL12 END 86.632
HIERARCH ESO ISS PBLA12 START 138.0
HIERARCH ESO ISS PBLA12 END 139.3
HIERARCH ESO ISS PBL13 START 116.731
HIERARCH ESO ISS PBL13 END 115.619
HIERARCH ESO ISS PBLA13 START 115.3
HIERARCH ESO ISS PBLA13 END 116.5
HIERARCH ESO ISS PBL14 START 110.048
HIERARCH ESO ISS PBL14 END 108.595
HIERARCH ESO ISS PBLA14 START 91.304
HIERARCH ESO ISS PBLA14 END 92.291
HIERARCH ESO ISS PBL23 START 49.595
HIERARCH ESO ISS PBL23 END 48.947
HIERARCH ESO ISS PBLA23 START 72.7
HIERARCH ESO ISS PBLA23 END 73.4
HIERARCH ESO ISS PBL24 START 80.971
HIERARCH ESO ISS PBL24 END 80.395
HIERARCH ESO ISS PBLA24 START 39.822
HIERARCH ESO ISS PBLA24 END 40.298
HIERARCH ESO ISS PBL34 START 47.637
HIERARCH ESO ISS PBL34 END 47.615
HIERARCH ESO ISS PBLA34 START 5.429
HIERARCH ESO ISS PBLA34 END 6.132
HIERARCH ESO ISS AMBI TAU0 START 0.003447
HIERARCH ESO ISS AMBI TAU0 END 0.002827
HIERARCH ESO ISS AMBI TEMP 10.2
HIERARCH ESO ISS AMBI FWHM START 1.04
HIERARCH ESO ISS AMBI FWHM END 1.04