Exposure
ID
GRAVI.2025-09-20T05:48:46.409_1
Header ID
GRAVI.2025-09-20T05:48:46.409
Date updated
2025-09-20 06:00:45 UTC+0000
Release date
2025-09-20 05:48:46 UTC+0000
UTC Start
2025-09-20 05:48:46.409
UTC End
2025-09-20 05:54:46.409
MJD Start
60938.24220381
MJD End
60938.24637047666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003673
Ambient temperature (°C)
13.64
Seeing (arcsec)
0.5549999999999999
Observation
ID
70471
Category
calibrator
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
52257
Name
HD_26027
RA
60.820563
DEC
-63.58453
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 73.6720 74.2770 70.5000 72.1000
A0-J2 121.2050 121.6290 50.6000 52.1000
A0-K0 127.6190 127.6850 35.3350 36.7830
G1-J2 57.7140 57.6720 24.7000 26.1000
G1-K0 79.6420 79.6080 3.1450 4.1730
J2-K0 33.5610 33.8130 323.8740 324.6860
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60938.24220381
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 26027
HIERARCH ESO INS SOBJ NAME HD_26027
RA 60.820563
DEC -63.58453
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 73.672
HIERARCH ESO ISS PBL12 END 74.277
HIERARCH ESO ISS PBLA12 START 70.5
HIERARCH ESO ISS PBLA12 END 72.1
HIERARCH ESO ISS PBL13 START 121.205
HIERARCH ESO ISS PBL13 END 121.629
HIERARCH ESO ISS PBLA13 START 50.6
HIERARCH ESO ISS PBLA13 END 52.1
HIERARCH ESO ISS PBL14 START 127.619
HIERARCH ESO ISS PBL14 END 127.685
HIERARCH ESO ISS PBLA14 START 35.335
HIERARCH ESO ISS PBLA14 END 36.783
HIERARCH ESO ISS PBL23 START 57.714
HIERARCH ESO ISS PBL23 END 57.672
HIERARCH ESO ISS PBLA23 START 24.7
HIERARCH ESO ISS PBLA23 END 26.1
HIERARCH ESO ISS PBL24 START 79.642
HIERARCH ESO ISS PBL24 END 79.608
HIERARCH ESO ISS PBLA24 START 3.145
HIERARCH ESO ISS PBLA24 END 4.173
HIERARCH ESO ISS PBL34 START 33.561
HIERARCH ESO ISS PBL34 END 33.813
HIERARCH ESO ISS PBLA34 START 323.874
HIERARCH ESO ISS PBLA34 END 324.686
HIERARCH ESO ISS AMBI TAU0 START 0.003694
HIERARCH ESO ISS AMBI TAU0 END 0.003652
HIERARCH ESO ISS AMBI TEMP 13.64
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.57