Exposure
ID
GRAVI.2025-08-26T03:23:30.806_1
Header ID
GRAVI.2025-08-26T03:23:30.806
Date updated
2025-08-26 03:40:35 UTC+0000
Release date
2026-08-26 03:40:35 UTC+0000
UTC Start
2025-08-26 03:23:30.806
UTC End
2025-08-26 03:27:30.806
MJD Start
60913.14132877
MJD End
60913.14410654778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005514
Ambient temperature (°C)
13.75
Seeing (arcsec)
0.63
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 46.9930 46.9210 161.2000 161.8000
A0-J2 120.9390 120.1250 99.5000 99.9000
A0-J6 169.4180 169.3160 33.0790 33.3360
B5-J2 107.0340 106.4500 76.7000 77.0000
B5-J6 201.8650 201.8810 22.5310 22.8510
J2-J6 164.0880 163.9860 350.5900 351.1200
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 60913.14132877
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 46.993
HIERARCH ESO ISS PBL12 END 46.921
HIERARCH ESO ISS PBLA12 START 161.2
HIERARCH ESO ISS PBLA12 END 161.8
HIERARCH ESO ISS PBL13 START 120.939
HIERARCH ESO ISS PBL13 END 120.125
HIERARCH ESO ISS PBLA13 START 99.5
HIERARCH ESO ISS PBLA13 END 99.9
HIERARCH ESO ISS PBL14 START 169.418
HIERARCH ESO ISS PBL14 END 169.316
HIERARCH ESO ISS PBLA14 START 33.079
HIERARCH ESO ISS PBLA14 END 33.336
HIERARCH ESO ISS PBL23 START 107.034
HIERARCH ESO ISS PBL23 END 106.45
HIERARCH ESO ISS PBLA23 START 76.7
HIERARCH ESO ISS PBLA23 END 77.0
HIERARCH ESO ISS PBL24 START 201.865
HIERARCH ESO ISS PBL24 END 201.881
HIERARCH ESO ISS PBLA24 START 22.531
HIERARCH ESO ISS PBLA24 END 22.851
HIERARCH ESO ISS PBL34 START 164.088
HIERARCH ESO ISS PBL34 END 163.986
HIERARCH ESO ISS PBLA34 START 350.59
HIERARCH ESO ISS PBLA34 END 351.12
HIERARCH ESO ISS AMBI TAU0 START 0.005686
HIERARCH ESO ISS AMBI TAU0 END 0.005342
HIERARCH ESO ISS AMBI TEMP 13.75
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.65