Exposure
ID
GRAVI.2025-04-25T04:07:56.987_1
Header ID
GRAVI.2025-04-25T04:07:56.987
Date updated
2025-04-25 04:20:46 UTC+0000
Release date
2026-04-25 04:20:46 UTC+0000
UTC Start
2025-04-25 04:07:56.987
UTC End
2025-04-25 04:11:56.987
MJD Start
60790.17218735
MJD End
60790.17496512778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0111665
Ambient temperature (°C)
14.56
Seeing (arcsec)
0.48
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 90.1360 89.9860 114.3000 114.5000
A0-J2 129.1290 129.2040 92.3000 92.4000
A0-K0 126.3710 126.7060 71.5080 71.6660
G1-J2 56.6580 56.8560 55.8000 56.1000
G1-K0 85.9010 86.1300 26.0300 26.4470
J2-K0 46.2810 46.2270 348.5620 349.0070
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 60790.17218735
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 90.136
HIERARCH ESO ISS PBL12 END 89.986
HIERARCH ESO ISS PBLA12 START 114.3
HIERARCH ESO ISS PBLA12 END 114.5
HIERARCH ESO ISS PBL13 START 129.129
HIERARCH ESO ISS PBL13 END 129.204
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 126.371
HIERARCH ESO ISS PBL14 END 126.706
HIERARCH ESO ISS PBLA14 START 71.508
HIERARCH ESO ISS PBLA14 END 71.666
HIERARCH ESO ISS PBL23 START 56.658
HIERARCH ESO ISS PBL23 END 56.856
HIERARCH ESO ISS PBLA23 START 55.8
HIERARCH ESO ISS PBLA23 END 56.1
HIERARCH ESO ISS PBL24 START 85.901
HIERARCH ESO ISS PBL24 END 86.13
HIERARCH ESO ISS PBLA24 START 26.03
HIERARCH ESO ISS PBLA24 END 26.447
HIERARCH ESO ISS PBL34 START 46.281
HIERARCH ESO ISS PBL34 END 46.227
HIERARCH ESO ISS PBLA34 START 348.562
HIERARCH ESO ISS PBLA34 END 349.007
HIERARCH ESO ISS AMBI TAU0 START 0.010436
HIERARCH ESO ISS AMBI TAU0 END 0.011897
HIERARCH ESO ISS AMBI TEMP 14.56
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.47