Exposure
ID
GRAVI.2024-08-31T01:37:24.156_1
Header ID
GRAVI.2024-08-31T01:37:24.156
Date updated
2024-08-31 01:50:37 UTC+0000
Release date
2025-08-31 01:50:37 UTC+0000
UTC Start
2024-08-31 01:37:24.156
UTC End
2024-08-31 01:40:04.156
MJD Start
60553.0676407
MJD End
60553.069492551855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003378
Ambient temperature (°C)
6.95
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 39.0540 38.8970 154.2000 154.6000
A0-J2 122.6880 122.1680 90.1000 90.0000
A0-J6 159.4560 159.8620 34.2610 34.3740
B5-J2 111.3870 111.2410 71.7000 71.5000
B5-J6 182.1460 182.5820 23.5570 23.7690
J2-J6 135.9400 135.6430 345.9820 346.3900
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 60553.0676407
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 39.054
HIERARCH ESO ISS PBL12 END 38.897
HIERARCH ESO ISS PBLA12 START 154.2
HIERARCH ESO ISS PBLA12 END 154.6
HIERARCH ESO ISS PBL13 START 122.688
HIERARCH ESO ISS PBL13 END 122.168
HIERARCH ESO ISS PBLA13 START 90.1
HIERARCH ESO ISS PBLA13 END 90.0
HIERARCH ESO ISS PBL14 START 159.456
HIERARCH ESO ISS PBL14 END 159.862
HIERARCH ESO ISS PBLA14 START 34.261
HIERARCH ESO ISS PBLA14 END 34.374
HIERARCH ESO ISS PBL23 START 111.387
HIERARCH ESO ISS PBL23 END 111.241
HIERARCH ESO ISS PBLA23 START 71.7
HIERARCH ESO ISS PBLA23 END 71.5
HIERARCH ESO ISS PBL24 START 182.146
HIERARCH ESO ISS PBL24 END 182.582
HIERARCH ESO ISS PBLA24 START 23.557
HIERARCH ESO ISS PBLA24 END 23.769
HIERARCH ESO ISS PBL34 START 135.94
HIERARCH ESO ISS PBL34 END 135.643
HIERARCH ESO ISS PBLA34 START 345.982
HIERARCH ESO ISS PBLA34 END 346.39
HIERARCH ESO ISS AMBI TAU0 START 0.003378
HIERARCH ESO ISS AMBI TAU0 END 0.003378
HIERARCH ESO ISS AMBI TEMP 6.95
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.91