Exposure
ID
GRAVI.2025-07-17T09:05:55.983_1
Header ID
GRAVI.2025-07-17T09:05:55.983
Date updated
2025-07-17 09:15:54 UTC+0000
Release date
2025-07-17 09:05:55 UTC+0000
UTC Start
2025-07-17 09:05:55.983
UTC End
2025-07-17 09:09:55.983
MJD Start
60873.37912017
MJD End
60873.38189794778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.00431
Ambient temperature (°C)
13.41
Seeing (arcsec)
0.8049999999999999
Observation
ID
68842
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
51212
Name
HD_12271
RA
29.27422
DEC
-71.07838
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 80.3100 80.5590 82.6000 83.6000
A0-J2 126.9130 127.0460 65.4000 66.4000
A0-K0 127.3900 127.3310 50.9250 51.9060
G1-J2 55.5860 55.5170 40.0000 40.9000
G1-K0 72.5880 72.4990 15.3840 16.1380
J2-K0 31.9620 32.0750 329.0050 329.6630
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 60873.37912017
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 12271
HIERARCH ESO INS SOBJ NAME HD_12271
RA 29.27422
DEC -71.07838
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 80.31
HIERARCH ESO ISS PBL12 END 80.559
HIERARCH ESO ISS PBLA12 START 82.6
HIERARCH ESO ISS PBLA12 END 83.6
HIERARCH ESO ISS PBL13 START 126.913
HIERARCH ESO ISS PBL13 END 127.046
HIERARCH ESO ISS PBLA13 START 65.4
HIERARCH ESO ISS PBLA13 END 66.4
HIERARCH ESO ISS PBL14 START 127.39
HIERARCH ESO ISS PBL14 END 127.331
HIERARCH ESO ISS PBLA14 START 50.925
HIERARCH ESO ISS PBLA14 END 51.906
HIERARCH ESO ISS PBL23 START 55.586
HIERARCH ESO ISS PBL23 END 55.517
HIERARCH ESO ISS PBLA23 START 40.0
HIERARCH ESO ISS PBLA23 END 40.9
HIERARCH ESO ISS PBL24 START 72.588
HIERARCH ESO ISS PBL24 END 72.499
HIERARCH ESO ISS PBLA24 START 15.384
HIERARCH ESO ISS PBLA24 END 16.138
HIERARCH ESO ISS PBL34 START 31.962
HIERARCH ESO ISS PBL34 END 32.075
HIERARCH ESO ISS PBLA34 START 329.005
HIERARCH ESO ISS PBLA34 END 329.663
HIERARCH ESO ISS AMBI TAU0 START 0.004115
HIERARCH ESO ISS AMBI TAU0 END 0.004505
HIERARCH ESO ISS AMBI TEMP 13.41
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.7