Exposure
ID
GRAVI.2025-07-24T10:08:40.836_1
Header ID
GRAVI.2025-07-24T10:08:40.836
Date updated
2025-07-24 10:21:42 UTC+0000
Release date
2025-07-24 10:08:40 UTC+0000
UTC Start
2025-07-24 10:08:40.836
UTC End
2025-07-24 10:11:20.836
MJD Start
60880.42269486
MJD End
60880.42454671185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0047075
Ambient temperature (°C)
11.71
Seeing (arcsec)
0.355
Observation
ID
68956
Category
calibrator
Program ID
115.282L.001
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER / BECK
Target
ID
51303
Name
HD_19755
RA
46.240485
DEC
-74.31948
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 81.7490 81.8850 86.7000 87.4000
A0-J2 127.9670 128.0270 70.5000 71.3000
A0-C1 20.4330 20.4670 86.6660 87.3860
G1-J2 54.3950 54.3420 45.9000 46.5000
G1-C1 61.3160 61.4180 266.6520 267.3720
J2-C1 108.4880 108.5150 247.5360 248.2570
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60880.42269486
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 19755
HIERARCH ESO INS SOBJ NAME HD_19755
RA 46.240485
DEC -74.31948
HIERARCH ESO INS SPEC RES HIGH
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 C1
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 81.749
HIERARCH ESO ISS PBL12 END 81.885
HIERARCH ESO ISS PBLA12 START 86.7
HIERARCH ESO ISS PBLA12 END 87.4
HIERARCH ESO ISS PBL13 START 127.967
HIERARCH ESO ISS PBL13 END 128.027
HIERARCH ESO ISS PBLA13 START 70.5
HIERARCH ESO ISS PBLA13 END 71.3
HIERARCH ESO ISS PBL14 START 20.433
HIERARCH ESO ISS PBL14 END 20.467
HIERARCH ESO ISS PBLA14 START 86.666
HIERARCH ESO ISS PBLA14 END 87.386
HIERARCH ESO ISS PBL23 START 54.395
HIERARCH ESO ISS PBL23 END 54.342
HIERARCH ESO ISS PBLA23 START 45.9
HIERARCH ESO ISS PBLA23 END 46.5
HIERARCH ESO ISS PBL24 START 61.316
HIERARCH ESO ISS PBL24 END 61.418
HIERARCH ESO ISS PBLA24 START 266.652
HIERARCH ESO ISS PBLA24 END 267.372
HIERARCH ESO ISS PBL34 START 108.488
HIERARCH ESO ISS PBL34 END 108.515
HIERARCH ESO ISS PBLA34 START 247.536
HIERARCH ESO ISS PBLA34 END 248.257
HIERARCH ESO ISS AMBI TAU0 START 0.004747
HIERARCH ESO ISS AMBI TAU0 END 0.004668
HIERARCH ESO ISS AMBI TEMP 11.71
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.35