Exposure
ID
GRAVI.2025-04-25T03:43:29.925_1
Header ID
GRAVI.2025-04-25T03:43:29.925
Date updated
2025-04-25 03:55:54 UTC+0000
Release date
2026-04-25 03:55:54 UTC+0000
UTC Start
2025-04-25 03:43:29.925
UTC End
2025-04-25 03:47:29.925
MJD Start
60790.15520747
MJD End
60790.15798524778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.013157499999999999
Ambient temperature (°C)
14.86
Seeing (arcsec)
0.355
Observation
ID
66980
Category
science
Program ID
115.282L.002
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER / BECK
Target
ID
49797
Name
HD_120791
RA
207.947518
DEC
-5.66892
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 90.5060 90.5030 113.6000 113.7000
A0-J2 127.8440 128.1690 91.7000 91.8000
A0-K0 123.7000 124.2490 70.4710 70.6630
G1-J2 55.2720 55.5390 54.2000 54.5000
G1-K0 84.5500 84.7850 23.4420 23.9070
J2-K0 46.6190 46.5580 346.0950 346.5040
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60790.15520747
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 120791
HIERARCH ESO INS SOBJ NAME HD_120791
RA 207.947518
DEC -5.66892
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 90.506
HIERARCH ESO ISS PBL12 END 90.503
HIERARCH ESO ISS PBLA12 START 113.6
HIERARCH ESO ISS PBLA12 END 113.7
HIERARCH ESO ISS PBL13 START 127.844
HIERARCH ESO ISS PBL13 END 128.169
HIERARCH ESO ISS PBLA13 START 91.7
HIERARCH ESO ISS PBLA13 END 91.8
HIERARCH ESO ISS PBL14 START 123.7
HIERARCH ESO ISS PBL14 END 124.249
HIERARCH ESO ISS PBLA14 START 70.471
HIERARCH ESO ISS PBLA14 END 70.663
HIERARCH ESO ISS PBL23 START 55.272
HIERARCH ESO ISS PBL23 END 55.539
HIERARCH ESO ISS PBLA23 START 54.2
HIERARCH ESO ISS PBLA23 END 54.5
HIERARCH ESO ISS PBL24 START 84.55
HIERARCH ESO ISS PBL24 END 84.785
HIERARCH ESO ISS PBLA24 START 23.442
HIERARCH ESO ISS PBLA24 END 23.907
HIERARCH ESO ISS PBL34 START 46.619
HIERARCH ESO ISS PBL34 END 46.558
HIERARCH ESO ISS PBLA34 START 346.095
HIERARCH ESO ISS PBLA34 END 346.504
HIERARCH ESO ISS AMBI TAU0 START 0.012756
HIERARCH ESO ISS AMBI TAU0 END 0.013559
HIERARCH ESO ISS AMBI TEMP 14.86
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.36