Exposure
ID
GRAVI.2025-04-28T09:12:08.304_1
Header ID
GRAVI.2025-04-28T09:12:08.304
Date updated
2025-04-28 09:21:09 UTC+0000
Release date
2025-04-28 09:12:08 UTC+0000
UTC Start
2025-04-28 09:12:08.304
UTC End
2025-04-28 09:16:08.304
MJD Start
60793.38342944
MJD End
60793.38620721778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0047195
Ambient temperature (°C)
12.38
Seeing (arcsec)
0.36
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 89.8150 89.9830 112.5000 112.8000
A0-J2 127.2720 127.6440 89.2000 89.5000
A0-K0 125.5180 125.9040 67.0440 67.4720
G1-J2 57.1290 57.2770 50.8000 51.3000
G1-K0 89.4240 89.5110 21.3660 21.8600
J2-K0 48.5830 48.5720 346.0870 346.4940
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 60793.38342944
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 89.815
HIERARCH ESO ISS PBL12 END 89.983
HIERARCH ESO ISS PBLA12 START 112.5
HIERARCH ESO ISS PBLA12 END 112.8
HIERARCH ESO ISS PBL13 START 127.272
HIERARCH ESO ISS PBL13 END 127.644
HIERARCH ESO ISS PBLA13 START 89.2
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 125.518
HIERARCH ESO ISS PBL14 END 125.904
HIERARCH ESO ISS PBLA14 START 67.044
HIERARCH ESO ISS PBLA14 END 67.472
HIERARCH ESO ISS PBL23 START 57.129
HIERARCH ESO ISS PBL23 END 57.277
HIERARCH ESO ISS PBLA23 START 50.8
HIERARCH ESO ISS PBLA23 END 51.3
HIERARCH ESO ISS PBL24 START 89.424
HIERARCH ESO ISS PBL24 END 89.511
HIERARCH ESO ISS PBLA24 START 21.366
HIERARCH ESO ISS PBLA24 END 21.86
HIERARCH ESO ISS PBL34 START 48.583
HIERARCH ESO ISS PBL34 END 48.572
HIERARCH ESO ISS PBLA34 START 346.087
HIERARCH ESO ISS PBLA34 END 346.494
HIERARCH ESO ISS AMBI TAU0 START 0.004734
HIERARCH ESO ISS AMBI TAU0 END 0.004705
HIERARCH ESO ISS AMBI TEMP 12.38
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.35