Exposure
ID
GRAVI.2024-10-18T23:40:47.216_1
Header ID
GRAVI.2024-10-18T23:40:47.216
Date updated
2024-10-18 23:50:44 UTC+0000
Release date
2025-10-18 23:50:44 UTC+0000
UTC Start
2024-10-18 23:40:47.216
UTC End
2024-10-18 23:43:27.216
MJD Start
60601.98665759
MJD End
60601.9885094419
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006836
Ambient temperature (°C)
17.24
Seeing (arcsec)
0.905
Observation
ID
61012
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
45379
Name
V2291_Oph
RA
276.409397
DEC
8.03197
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 62.2820 61.5370 115.9000 116.1000
A0-J2 102.9570 101.9690 87.1000 87.0000
A0-K0 117.2440 116.6420 67.1960 66.9700
G1-J2 56.8840 56.7530 55.3000 55.1000
G1-K0 89.3380 89.4400 35.6210 35.6110
J2-K0 40.6030 40.6470 7.4250 7.7930
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 60601.98665759
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V2291-Oph
HIERARCH ESO INS SOBJ NAME V2291_Oph
RA 276.409397
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 62.282
HIERARCH ESO ISS PBL12 END 61.537
HIERARCH ESO ISS PBLA12 START 115.9
HIERARCH ESO ISS PBLA12 END 116.1
HIERARCH ESO ISS PBL13 START 102.957
HIERARCH ESO ISS PBL13 END 101.969
HIERARCH ESO ISS PBLA13 START 87.1
HIERARCH ESO ISS PBLA13 END 87.0
HIERARCH ESO ISS PBL14 START 117.244
HIERARCH ESO ISS PBL14 END 116.642
HIERARCH ESO ISS PBLA14 START 67.196
HIERARCH ESO ISS PBLA14 END 66.97
HIERARCH ESO ISS PBL23 START 56.884
HIERARCH ESO ISS PBL23 END 56.753
HIERARCH ESO ISS PBLA23 START 55.3
HIERARCH ESO ISS PBLA23 END 55.1
HIERARCH ESO ISS PBL24 START 89.338
HIERARCH ESO ISS PBL24 END 89.44
HIERARCH ESO ISS PBLA24 START 35.621
HIERARCH ESO ISS PBLA24 END 35.611
HIERARCH ESO ISS PBL34 START 40.603
HIERARCH ESO ISS PBL34 END 40.647
HIERARCH ESO ISS PBLA34 START 7.425
HIERARCH ESO ISS PBLA34 END 7.793
HIERARCH ESO ISS AMBI TAU0 START 0.006836
HIERARCH ESO ISS AMBI TAU0 END 0.006836
HIERARCH ESO ISS AMBI TEMP 17.24
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.97