Exposure
ID
GRAVI.2025-08-26T03:33:42.831_1
Header ID
GRAVI.2025-08-26T03:33:42.831
Date updated
2025-08-26 03:45:54 UTC+0000
Release date
2026-08-26 03:45:53 UTC+0000
UTC Start
2025-08-26 03:33:42.831
UTC End
2025-08-26 03:37:42.831
MJD Start
60913.1484124
MJD End
60913.15119017778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0060495
Ambient temperature (°C)
13.91
Seeing (arcsec)
0.655
Observation
ID
70124
Category
science
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
52029
Name
HD_184161
RA
293.428005
DEC
-16.99633
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 46.8220 46.7520 162.6000 163.2000
A0-J2 118.9180 118.0180 100.4000 100.8000
A0-J6 169.1440 169.0020 33.6840 33.9210
B5-J2 105.5720 104.9100 77.3000 77.5000
B5-J6 201.8860 201.8790 23.2910 23.5950
J2-J6 163.8510 163.7610 351.8720 352.4100
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28G0.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60913.1484124
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 184161
HIERARCH ESO INS SOBJ NAME HD_184161
RA 293.428005
DEC -16.99633
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 46.822
HIERARCH ESO ISS PBL12 END 46.752
HIERARCH ESO ISS PBLA12 START 162.6
HIERARCH ESO ISS PBLA12 END 163.2
HIERARCH ESO ISS PBL13 START 118.918
HIERARCH ESO ISS PBL13 END 118.018
HIERARCH ESO ISS PBLA13 START 100.4
HIERARCH ESO ISS PBLA13 END 100.8
HIERARCH ESO ISS PBL14 START 169.144
HIERARCH ESO ISS PBL14 END 169.002
HIERARCH ESO ISS PBLA14 START 33.684
HIERARCH ESO ISS PBLA14 END 33.921
HIERARCH ESO ISS PBL23 START 105.572
HIERARCH ESO ISS PBL23 END 104.91
HIERARCH ESO ISS PBLA23 START 77.3
HIERARCH ESO ISS PBLA23 END 77.5
HIERARCH ESO ISS PBL24 START 201.886
HIERARCH ESO ISS PBL24 END 201.879
HIERARCH ESO ISS PBLA24 START 23.291
HIERARCH ESO ISS PBLA24 END 23.595
HIERARCH ESO ISS PBL34 START 163.851
HIERARCH ESO ISS PBL34 END 163.761
HIERARCH ESO ISS PBLA34 START 351.872
HIERARCH ESO ISS PBLA34 END 352.41
HIERARCH ESO ISS AMBI TAU0 START 0.006242
HIERARCH ESO ISS AMBI TAU0 END 0.005857
HIERARCH ESO ISS AMBI TEMP 13.91
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.7