Exposure
ID
GRAVI.2025-02-19T05:06:18.657_1
Header ID
GRAVI.2025-02-19T05:06:18.657
Date updated
2025-02-19 05:16:05 UTC+0000
Release date
2026-02-19 05:16:04 UTC+0000
UTC Start
2025-02-19 05:06:18.657
UTC End
2025-02-19 05:10:18.657
MJD Start
60725.21271594
MJD End
60725.21549371778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0046665000000000005
Ambient temperature (°C)
12.55
Seeing (arcsec)
0.61
Observation
ID
63696
Category
science
Program ID
114.276J.002
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
47450
Name
BD-09_2691
RA
133.743073
DEC
-10.02413
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 45.2600 45.1520 160.6000 161.2000
A0-J2 119.9770 119.0850 96.9000 97.2000
A0-J6 169.5510 169.6120 33.0990 33.3160
B5-J2 107.8480 107.2980 74.8000 74.9000
B5-J6 200.3590 200.5310 22.7770 23.0780
J2-J6 158.7240 158.5600 350.3810 350.9260
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.276J.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60725.21271594
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME BD-09 2691
HIERARCH ESO INS SOBJ NAME BD-09_2691
RA 133.743073
DEC -10.02413
HIERARCH ESO INS SPEC RES MEDIUM
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 45.26
HIERARCH ESO ISS PBL12 END 45.152
HIERARCH ESO ISS PBLA12 START 160.6
HIERARCH ESO ISS PBLA12 END 161.2
HIERARCH ESO ISS PBL13 START 119.977
HIERARCH ESO ISS PBL13 END 119.085
HIERARCH ESO ISS PBLA13 START 96.9
HIERARCH ESO ISS PBLA13 END 97.2
HIERARCH ESO ISS PBL14 START 169.551
HIERARCH ESO ISS PBL14 END 169.612
HIERARCH ESO ISS PBLA14 START 33.099
HIERARCH ESO ISS PBLA14 END 33.316
HIERARCH ESO ISS PBL23 START 107.848
HIERARCH ESO ISS PBL23 END 107.298
HIERARCH ESO ISS PBLA23 START 74.8
HIERARCH ESO ISS PBLA23 END 74.9
HIERARCH ESO ISS PBL24 START 200.359
HIERARCH ESO ISS PBL24 END 200.531
HIERARCH ESO ISS PBLA24 START 22.777
HIERARCH ESO ISS PBLA24 END 23.078
HIERARCH ESO ISS PBL34 START 158.724
HIERARCH ESO ISS PBL34 END 158.56
HIERARCH ESO ISS PBLA34 START 350.381
HIERARCH ESO ISS PBLA34 END 350.926
HIERARCH ESO ISS AMBI TAU0 START 0.004792
HIERARCH ESO ISS AMBI TAU0 END 0.004541
HIERARCH ESO ISS AMBI TEMP 12.55
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.64