Exposure
ID
GRAVI.2025-04-28T09:02:53.280_1
Header ID
GRAVI.2025-04-28T09:02:53.280
Date updated
2025-04-28 09:16:04 UTC+0000
Release date
2025-04-28 09:02:53 UTC+0000
UTC Start
2025-04-28 09:02:53.280
UTC End
2025-04-28 09:06:53.280
MJD Start
60793.37700556
MJD End
60793.37978333778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005667999999999999
Ambient temperature (°C)
12.41
Seeing (arcsec)
0.355
Observation
ID
67038
Category
calibrator
Program ID
115.28G0.002
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
49846
Name
HD_185251
RA
294.746611
DEC
-19.52005
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 89.3640 89.5840 111.8000 112.1000
A0-J2 126.3240 126.7800 88.4000 88.8000
A0-K0 124.5670 125.0200 66.0790 66.5240
G1-J2 56.7740 56.9420 49.7000 50.2000
G1-K0 89.2280 89.3190 20.2600 20.7680
J2-K0 48.6050 48.5950 345.2100 345.6070
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28G0.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60793.37700556
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 185251
HIERARCH ESO INS SOBJ NAME HD_185251
RA 294.746611
DEC -19.52005
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 89.364
HIERARCH ESO ISS PBL12 END 89.584
HIERARCH ESO ISS PBLA12 START 111.8
HIERARCH ESO ISS PBLA12 END 112.1
HIERARCH ESO ISS PBL13 START 126.324
HIERARCH ESO ISS PBL13 END 126.78
HIERARCH ESO ISS PBLA13 START 88.4
HIERARCH ESO ISS PBLA13 END 88.8
HIERARCH ESO ISS PBL14 START 124.567
HIERARCH ESO ISS PBL14 END 125.02
HIERARCH ESO ISS PBLA14 START 66.079
HIERARCH ESO ISS PBLA14 END 66.524
HIERARCH ESO ISS PBL23 START 56.774
HIERARCH ESO ISS PBL23 END 56.942
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.228
HIERARCH ESO ISS PBL24 END 89.319
HIERARCH ESO ISS PBLA24 START 20.26
HIERARCH ESO ISS PBLA24 END 20.768
HIERARCH ESO ISS PBL34 START 48.605
HIERARCH ESO ISS PBL34 END 48.595
HIERARCH ESO ISS PBLA34 START 345.21
HIERARCH ESO ISS PBLA34 END 345.607
HIERARCH ESO ISS AMBI TAU0 START 0.006345
HIERARCH ESO ISS AMBI TAU0 END 0.004991
HIERARCH ESO ISS AMBI TEMP 12.41
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.36