Exposure
ID
GRAVI.2025-08-29T08:30:38.663_1
Header ID
GRAVI.2025-08-29T08:30:38.663
Date updated
2025-08-29 08:45:35 UTC+0000
Release date
2026-08-29 08:45:35 UTC+0000
UTC Start
2025-08-29 08:30:38.663
UTC End
2025-08-29 08:37:18.663
MJD Start
60916.35461415
MJD End
60916.359243779625
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.003237
Ambient temperature (°C)
9.63
Seeing (arcsec)
0.89
Observation
ID
70154
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
52053
Name
HD_28898
RA
66.862626
DEC
-69.75426
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 79.1950 79.6440 79.5000 81.2000
A0-J2 126.1160 126.3730 61.8000 63.5000
A0-K0 127.7160 127.6470 47.2440 48.8410
G1-J2 56.1030 56.0030 36.4000 37.9000
G1-K0 74.0090 73.8860 12.4150 13.6270
J2-K0 32.2010 32.4040 327.3570 328.4080
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 60916.35461415
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 28898
HIERARCH ESO INS SOBJ NAME HD_28898
RA 66.862626
DEC -69.75426
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 79.195
HIERARCH ESO ISS PBL12 END 79.644
HIERARCH ESO ISS PBLA12 START 79.5
HIERARCH ESO ISS PBLA12 END 81.2
HIERARCH ESO ISS PBL13 START 126.116
HIERARCH ESO ISS PBL13 END 126.373
HIERARCH ESO ISS PBLA13 START 61.8
HIERARCH ESO ISS PBLA13 END 63.5
HIERARCH ESO ISS PBL14 START 127.716
HIERARCH ESO ISS PBL14 END 127.647
HIERARCH ESO ISS PBLA14 START 47.244
HIERARCH ESO ISS PBLA14 END 48.841
HIERARCH ESO ISS PBL23 START 56.103
HIERARCH ESO ISS PBL23 END 56.003
HIERARCH ESO ISS PBLA23 START 36.4
HIERARCH ESO ISS PBLA23 END 37.9
HIERARCH ESO ISS PBL24 START 74.009
HIERARCH ESO ISS PBL24 END 73.886
HIERARCH ESO ISS PBLA24 START 12.415
HIERARCH ESO ISS PBLA24 END 13.627
HIERARCH ESO ISS PBL34 START 32.201
HIERARCH ESO ISS PBL34 END 32.404
HIERARCH ESO ISS PBLA34 START 327.357
HIERARCH ESO ISS PBLA34 END 328.408
HIERARCH ESO ISS AMBI TAU0 START 0.003237
HIERARCH ESO ISS AMBI TAU0 END 0.003237
HIERARCH ESO ISS AMBI TEMP 9.63
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89