Exposure
ID
GRAVI.2025-04-25T23:30:24.667_1
Header ID
GRAVI.2025-04-25T23:30:24.667
Date updated
2025-04-25 23:45:47 UTC+0000
Release date
2026-04-25 23:45:47 UTC+0000
UTC Start
2025-04-25 23:30:24.667
UTC End
2025-04-25 23:37:04.667
MJD Start
60790.97945216
MJD End
60790.984081789626
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0090075
Ambient temperature (°C)
14.04
Seeing (arcsec)
0.585
Observation
ID
66990
Category
science
Program ID
115.282L.001
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER / BECK
Target
ID
49805
Name
HD_42587
RA
92.067371
DEC
-55.23845
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 90.0120 89.9260 148.7000 150.2000
A0-J2 120.1250 119.5030 131.0000 132.7000
A0-K0 105.7210 104.5520 110.8120 112.4910
G1-J2 43.9430 43.2790 92.5000 94.0000
G1-K0 65.2700 64.3970 52.9250 53.7770
J2-K0 42.0520 41.9670 11.2070 12.0680
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60790.97945216
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 42587
HIERARCH ESO INS SOBJ NAME HD_42587
RA 92.067371
DEC -55.23845
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 90.012
HIERARCH ESO ISS PBL12 END 89.926
HIERARCH ESO ISS PBLA12 START 148.7
HIERARCH ESO ISS PBLA12 END 150.2
HIERARCH ESO ISS PBL13 START 120.125
HIERARCH ESO ISS PBL13 END 119.503
HIERARCH ESO ISS PBLA13 START 131.0
HIERARCH ESO ISS PBLA13 END 132.7
HIERARCH ESO ISS PBL14 START 105.721
HIERARCH ESO ISS PBL14 END 104.552
HIERARCH ESO ISS PBLA14 START 110.812
HIERARCH ESO ISS PBLA14 END 112.491
HIERARCH ESO ISS PBL23 START 43.943
HIERARCH ESO ISS PBL23 END 43.279
HIERARCH ESO ISS PBLA23 START 92.5
HIERARCH ESO ISS PBLA23 END 94.0
HIERARCH ESO ISS PBL24 START 65.27
HIERARCH ESO ISS PBL24 END 64.397
HIERARCH ESO ISS PBLA24 START 52.925
HIERARCH ESO ISS PBLA24 END 53.777
HIERARCH ESO ISS PBL34 START 42.052
HIERARCH ESO ISS PBL34 END 41.967
HIERARCH ESO ISS PBLA34 START 11.207
HIERARCH ESO ISS PBLA34 END 12.068
HIERARCH ESO ISS AMBI TAU0 START 0.013425
HIERARCH ESO ISS AMBI TAU0 END 0.00459
HIERARCH ESO ISS AMBI TEMP 14.04
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.59