Exposure
ID
GRAVI.2024-09-12T01:53:56.731_1
Header ID
GRAVI.2024-09-12T01:53:56.731
Date updated
2024-09-12 02:05:42 UTC+0000
Release date
2025-09-12 02:05:42 UTC+0000
UTC Start
2024-09-12 01:53:56.731
UTC End
2024-09-12 01:56:36.731
MJD Start
60565.07912883
MJD End
60565.08098068186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0026360000000000003
Ambient temperature (°C)
13.97
Seeing (arcsec)
0.74
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 36.0000 35.8890 164.3000 164.8000
A0-J2 106.9800 106.0560 87.6000 87.5000
A0-J6 166.6290 166.8610 35.6220 35.6310
B5-J2 104.6880 104.2150 68.1000 67.9000
B5-J6 191.1940 191.5650 27.1640 27.2780
J2-J6 131.4230 131.3290 355.7010 356.1740
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 60565.07912883
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 36.0
HIERARCH ESO ISS PBL12 END 35.889
HIERARCH ESO ISS PBLA12 START 164.3
HIERARCH ESO ISS PBLA12 END 164.8
HIERARCH ESO ISS PBL13 START 106.98
HIERARCH ESO ISS PBL13 END 106.056
HIERARCH ESO ISS PBLA13 START 87.6
HIERARCH ESO ISS PBLA13 END 87.5
HIERARCH ESO ISS PBL14 START 166.629
HIERARCH ESO ISS PBL14 END 166.861
HIERARCH ESO ISS PBLA14 START 35.622
HIERARCH ESO ISS PBLA14 END 35.631
HIERARCH ESO ISS PBL23 START 104.688
HIERARCH ESO ISS PBL23 END 104.215
HIERARCH ESO ISS PBLA23 START 68.1
HIERARCH ESO ISS PBLA23 END 67.9
HIERARCH ESO ISS PBL24 START 191.194
HIERARCH ESO ISS PBL24 END 191.565
HIERARCH ESO ISS PBLA24 START 27.164
HIERARCH ESO ISS PBLA24 END 27.278
HIERARCH ESO ISS PBL34 START 131.423
HIERARCH ESO ISS PBL34 END 131.329
HIERARCH ESO ISS PBLA34 START 355.701
HIERARCH ESO ISS PBLA34 END 356.174
HIERARCH ESO ISS AMBI TAU0 START 0.002243
HIERARCH ESO ISS AMBI TAU0 END 0.003029
HIERARCH ESO ISS AMBI TEMP 13.97
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.75