Exposure
ID
GRAVI.2025-08-26T03:47:21.866_1
Header ID
GRAVI.2025-08-26T03:47:21.866
Date updated
2025-08-26 04:00:47 UTC+0000
Release date
2025-08-26 03:47:21 UTC+0000
UTC Start
2025-08-26 03:47:21.866
UTC End
2025-08-26 03:51:21.866
MJD Start
60913.15789197
MJD End
60913.16066974778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.00459
Ambient temperature (°C)
13.8
Seeing (arcsec)
0.66
Observation
ID
70125
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
52030
Name
HD_184118
RA
293.396505
DEC
-18.43719
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.9260 46.8670 164.7000 165.3000
A0-J2 116.1680 115.1800 102.4000 102.8000
A0-J6 168.1850 167.9520 34.5260 34.7450
B5-J2 103.0830 102.3140 78.6000 78.9000
B5-J6 201.6540 201.5780 24.2770 24.5640
J2-J6 164.4810 164.4170 353.6640 354.2070
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 60913.15789197
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 184118
HIERARCH ESO INS SOBJ NAME HD_184118
RA 293.396505
DEC -18.43719
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 46.926
HIERARCH ESO ISS PBL12 END 46.867
HIERARCH ESO ISS PBLA12 START 164.7
HIERARCH ESO ISS PBLA12 END 165.3
HIERARCH ESO ISS PBL13 START 116.168
HIERARCH ESO ISS PBL13 END 115.18
HIERARCH ESO ISS PBLA13 START 102.4
HIERARCH ESO ISS PBLA13 END 102.8
HIERARCH ESO ISS PBL14 START 168.185
HIERARCH ESO ISS PBL14 END 167.952
HIERARCH ESO ISS PBLA14 START 34.526
HIERARCH ESO ISS PBLA14 END 34.745
HIERARCH ESO ISS PBL23 START 103.083
HIERARCH ESO ISS PBL23 END 102.314
HIERARCH ESO ISS PBLA23 START 78.6
HIERARCH ESO ISS PBLA23 END 78.9
HIERARCH ESO ISS PBL24 START 201.654
HIERARCH ESO ISS PBL24 END 201.578
HIERARCH ESO ISS PBLA24 START 24.277
HIERARCH ESO ISS PBLA24 END 24.564
HIERARCH ESO ISS PBL34 START 164.481
HIERARCH ESO ISS PBL34 END 164.417
HIERARCH ESO ISS PBLA34 START 353.664
HIERARCH ESO ISS PBLA34 END 354.207
HIERARCH ESO ISS AMBI TAU0 START 0.00459
HIERARCH ESO ISS AMBI TAU0 END 0.00459
HIERARCH ESO ISS AMBI TEMP 13.8
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.67