Exposure
ID
GRAVI.2024-08-30T23:56:14.899_1
Header ID
GRAVI.2024-08-30T23:56:14.899
Date updated
2024-08-31 00:05:41 UTC+0000
Release date
2025-08-31 00:05:41 UTC+0000
UTC Start
2024-08-30 23:56:14.899
UTC End
2024-08-30 23:58:54.899
MJD Start
60552.99739467
MJD End
60552.99924652185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003378
Ambient temperature (°C)
7.69
Seeing (arcsec)
0.91
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 44.5530 44.4110 145.0000 145.2000
A0-J2 128.3350 128.5160 93.6000 93.5000
A0-J6 142.3430 142.8690 26.9030 27.2150
B5-J2 106.4490 106.8620 74.5000 74.4000
B5-J6 168.0120 168.3400 13.3790 13.7420
J2-J6 149.2030 148.7890 334.7370 334.9740
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 60552.99739467
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 44.553
HIERARCH ESO ISS PBL12 END 44.411
HIERARCH ESO ISS PBLA12 START 145.0
HIERARCH ESO ISS PBLA12 END 145.2
HIERARCH ESO ISS PBL13 START 128.335
HIERARCH ESO ISS PBL13 END 128.516
HIERARCH ESO ISS PBLA13 START 93.6
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 142.343
HIERARCH ESO ISS PBL14 END 142.869
HIERARCH ESO ISS PBLA14 START 26.903
HIERARCH ESO ISS PBLA14 END 27.215
HIERARCH ESO ISS PBL23 START 106.449
HIERARCH ESO ISS PBL23 END 106.862
HIERARCH ESO ISS PBLA23 START 74.5
HIERARCH ESO ISS PBLA23 END 74.4
HIERARCH ESO ISS PBL24 START 168.012
HIERARCH ESO ISS PBL24 END 168.34
HIERARCH ESO ISS PBLA24 START 13.379
HIERARCH ESO ISS PBLA24 END 13.742
HIERARCH ESO ISS PBL34 START 149.203
HIERARCH ESO ISS PBL34 END 148.789
HIERARCH ESO ISS PBLA34 START 334.737
HIERARCH ESO ISS PBLA34 END 334.974
HIERARCH ESO ISS AMBI TAU0 START 0.003378
HIERARCH ESO ISS AMBI TAU0 END 0.003378
HIERARCH ESO ISS AMBI TEMP 7.69
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.91