Exposure
ID
GRAVI.2024-08-14T01:51:11.557_1
Header ID
GRAVI.2024-08-14T01:51:11.557
Date updated
2024-08-14 02:00:37 UTC+0000
Release date
2025-08-14 02:00:36 UTC+0000
UTC Start
2024-08-14 01:51:11.557
UTC End
2024-08-14 01:53:51.557
MJD Start
60536.0772171
MJD End
60536.079068951854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003184
Ambient temperature (°C)
13.16
Seeing (arcsec)
0.795
Observation
ID
60304
Category
science
Program ID
113.26BP.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART IV
Program Type
Normal
PI / COI
GALLENNE / PIETRZYNSKI / KERVELLA / MÉRAND / GIEREN / GRACZYK
Target
ID
44764
Name
V2291_Oph
RA
276.410516
DEC
8.03197
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 42.0200 41.8580 148.5000 148.7000
A0-J2 128.7110 128.5530 91.9000 91.8000
A0-J6 150.9930 151.4990 31.2760 31.4920
B5-J2 111.2440 111.3920 73.5000 73.4000
B5-J6 174.2420 174.6600 18.8870 19.1870
J2-J6 142.4050 142.0090 339.3350 339.6620
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60536.0772171
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V2291-Oph
HIERARCH ESO INS SOBJ NAME V2291_Oph
RA 276.410516
DEC 8.03197
HIERARCH ESO INS SPEC RES HIGH
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 42.02
HIERARCH ESO ISS PBL12 END 41.858
HIERARCH ESO ISS PBLA12 START 148.5
HIERARCH ESO ISS PBLA12 END 148.7
HIERARCH ESO ISS PBL13 START 128.711
HIERARCH ESO ISS PBL13 END 128.553
HIERARCH ESO ISS PBLA13 START 91.9
HIERARCH ESO ISS PBLA13 END 91.8
HIERARCH ESO ISS PBL14 START 150.993
HIERARCH ESO ISS PBL14 END 151.499
HIERARCH ESO ISS PBLA14 START 31.276
HIERARCH ESO ISS PBLA14 END 31.492
HIERARCH ESO ISS PBL23 START 111.244
HIERARCH ESO ISS PBL23 END 111.392
HIERARCH ESO ISS PBLA23 START 73.5
HIERARCH ESO ISS PBLA23 END 73.4
HIERARCH ESO ISS PBL24 START 174.242
HIERARCH ESO ISS PBL24 END 174.66
HIERARCH ESO ISS PBLA24 START 18.887
HIERARCH ESO ISS PBLA24 END 19.187
HIERARCH ESO ISS PBL34 START 142.405
HIERARCH ESO ISS PBL34 END 142.009
HIERARCH ESO ISS PBLA34 START 339.335
HIERARCH ESO ISS PBLA34 END 339.662
HIERARCH ESO ISS AMBI TAU0 START 0.003138
HIERARCH ESO ISS AMBI TAU0 END 0.00323
HIERARCH ESO ISS AMBI TEMP 13.16
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.8