Exposure
ID
GRAVI.2025-04-23T07:02:15.178_1
Header ID
GRAVI.2025-04-23T07:02:15.178
Date updated
2025-04-23 07:10:56 UTC+0000
Release date
2025-04-23 07:02:15 UTC+0000
UTC Start
2025-04-23 07:02:15.178
UTC End
2025-04-23 07:06:15.178
MJD Start
60788.29323123
MJD End
60788.29600900778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005298
Ambient temperature (°C)
13.21
Seeing (arcsec)
0.87
Observation
ID
66935
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
49763
Name
HD_172443
RA
280.637503
DEC
-46.8066
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 76.4920 77.0990 90.9000 91.7000
A0-J2 118.0430 118.6480 66.2000 67.1000
A0-K0 124.6480 124.9110 46.2950 47.1810
G1-J2 58.0750 58.1030 32.9000 33.7000
G1-K0 88.3880 88.3480 8.8720 9.4870
J2-K0 42.5470 42.6710 335.0720 335.4820
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 60788.29323123
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 172443
HIERARCH ESO INS SOBJ NAME HD_172443
RA 280.637503
DEC -46.8066
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 76.492
HIERARCH ESO ISS PBL12 END 77.099
HIERARCH ESO ISS PBLA12 START 90.9
HIERARCH ESO ISS PBLA12 END 91.7
HIERARCH ESO ISS PBL13 START 118.043
HIERARCH ESO ISS PBL13 END 118.648
HIERARCH ESO ISS PBLA13 START 66.2
HIERARCH ESO ISS PBLA13 END 67.1
HIERARCH ESO ISS PBL14 START 124.648
HIERARCH ESO ISS PBL14 END 124.911
HIERARCH ESO ISS PBLA14 START 46.295
HIERARCH ESO ISS PBLA14 END 47.181
HIERARCH ESO ISS PBL23 START 58.075
HIERARCH ESO ISS PBL23 END 58.103
HIERARCH ESO ISS PBLA23 START 32.9
HIERARCH ESO ISS PBLA23 END 33.7
HIERARCH ESO ISS PBL24 START 88.388
HIERARCH ESO ISS PBL24 END 88.348
HIERARCH ESO ISS PBLA24 START 8.872
HIERARCH ESO ISS PBLA24 END 9.487
HIERARCH ESO ISS PBL34 START 42.547
HIERARCH ESO ISS PBL34 END 42.671
HIERARCH ESO ISS PBLA34 START 335.072
HIERARCH ESO ISS PBLA34 END 335.482
HIERARCH ESO ISS AMBI TAU0 START 0.005435
HIERARCH ESO ISS AMBI TAU0 END 0.005161
HIERARCH ESO ISS AMBI TEMP 13.21
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.79