Exposure
ID
GRAVI.2025-09-23T05:49:27.402_1
Header ID
GRAVI.2025-09-23T05:49:27.402
Date updated
2025-09-23 06:00:54 UTC+0000
Release date
2026-09-23 06:00:54 UTC+0000
UTC Start
2025-09-23 05:49:27.402
UTC End
2025-09-23 05:53:27.402
MJD Start
60941.24267826
MJD End
60941.24545603778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0088285
Ambient temperature (°C)
12.88
Seeing (arcsec)
0.33499999999999996
Observation
ID
70502
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
52280
Name
HD_270504
RA
66.816013
DEC
-72.40642
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 75.9990 76.2440 62.2000 63.3000
A0-J2 124.7390 124.8750 45.7000 46.8000
A0-K0 127.8650 127.8480 32.7370 33.7360
G1-J2 56.1680 56.1330 23.2000 24.1000
G1-K0 72.1500 72.1400 1.5240 2.2910
J2-K0 28.7460 28.9000 315.4450 316.1420
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 60941.24267826
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 270504
HIERARCH ESO INS SOBJ NAME HD_270504
RA 66.816013
DEC -72.40642
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 75.999
HIERARCH ESO ISS PBL12 END 76.244
HIERARCH ESO ISS PBLA12 START 62.2
HIERARCH ESO ISS PBLA12 END 63.3
HIERARCH ESO ISS PBL13 START 124.739
HIERARCH ESO ISS PBL13 END 124.875
HIERARCH ESO ISS PBLA13 START 45.7
HIERARCH ESO ISS PBLA13 END 46.8
HIERARCH ESO ISS PBL14 START 127.865
HIERARCH ESO ISS PBL14 END 127.848
HIERARCH ESO ISS PBLA14 START 32.737
HIERARCH ESO ISS PBLA14 END 33.736
HIERARCH ESO ISS PBL23 START 56.168
HIERARCH ESO ISS PBL23 END 56.133
HIERARCH ESO ISS PBLA23 START 23.2
HIERARCH ESO ISS PBLA23 END 24.1
HIERARCH ESO ISS PBL24 START 72.15
HIERARCH ESO ISS PBL24 END 72.14
HIERARCH ESO ISS PBLA24 START 1.524
HIERARCH ESO ISS PBLA24 END 2.291
HIERARCH ESO ISS PBL34 START 28.746
HIERARCH ESO ISS PBL34 END 28.9
HIERARCH ESO ISS PBLA34 START 315.445
HIERARCH ESO ISS PBLA34 END 316.142
HIERARCH ESO ISS AMBI TAU0 START 0.009049
HIERARCH ESO ISS AMBI TAU0 END 0.008608
HIERARCH ESO ISS AMBI TEMP 12.88
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.35