Exposure
ID
GRAVI.2025-10-08T05:02:59.981_1
Header ID
GRAVI.2025-10-08T05:02:59.981
Date updated
2025-10-08 05:20:50 UTC+0000
Release date
2025-10-08 05:02:59 UTC+0000
UTC Start
2025-10-08 05:02:59.981
UTC End
2025-10-08 05:08:59.981
MJD Start
60956.21041645
MJD End
60956.21458311666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0044125
Ambient temperature (°C)
9.77
Seeing (arcsec)
0.87
Observation
ID
70846
Category
calibrator
Program ID
116.28ZV.001
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS
Target
ID
52566
Name
HD__1894
RA
5.840551
DEC
0.45193
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 81.6620 80.6710 115.9000 116.2000
A0-J2 123.2930 122.1800 92.5000 92.5000
A0-K0 126.8680 126.3820 72.5700 72.4850
G1-J2 58.2280 58.2190 58.6000 58.6000
G1-K0 87.7230 88.0460 32.8520 33.1610
J2-K0 43.4430 43.4180 357.1820 357.9620
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZV.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60956.21041645
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 1894
HIERARCH ESO INS SOBJ NAME HD__1894
RA 5.840551
DEC 0.45193
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 K0
EXPTIME 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 81.662
HIERARCH ESO ISS PBL12 END 80.671
HIERARCH ESO ISS PBLA12 START 115.9
HIERARCH ESO ISS PBLA12 END 116.2
HIERARCH ESO ISS PBL13 START 123.293
HIERARCH ESO ISS PBL13 END 122.18
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 126.868
HIERARCH ESO ISS PBL14 END 126.382
HIERARCH ESO ISS PBLA14 START 72.57
HIERARCH ESO ISS PBLA14 END 72.485
HIERARCH ESO ISS PBL23 START 58.228
HIERARCH ESO ISS PBL23 END 58.219
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 87.723
HIERARCH ESO ISS PBL24 END 88.046
HIERARCH ESO ISS PBLA24 START 32.852
HIERARCH ESO ISS PBLA24 END 33.161
HIERARCH ESO ISS PBL34 START 43.443
HIERARCH ESO ISS PBL34 END 43.418
HIERARCH ESO ISS PBLA34 START 357.182
HIERARCH ESO ISS PBLA34 END 357.962
HIERARCH ESO ISS AMBI TAU0 START 0.00453
HIERARCH ESO ISS AMBI TAU0 END 0.004295
HIERARCH ESO ISS AMBI TEMP 9.77
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.95