Exposure
ID
GRAVI.2024-08-14T03:22:50.790_1
Header ID
GRAVI.2024-08-14T03:22:50.790
Date updated
2024-08-14 03:30:34 UTC+0000
Release date
2024-08-14 03:22:50 UTC+0000
UTC Start
2024-08-14 03:22:50.790
UTC End
2024-08-14 03:26:50.790
MJD Start
60536.14086563
MJD End
60536.14364340778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003742
Ambient temperature (°C)
12.51
Seeing (arcsec)
0.485
Observation
ID
60309
Category
calibrator
Program ID
113.26GP.002
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
44768
Name
BD-19_4552
RA
257.720657
DEC
-20.14798
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 46.6540 46.6370 175.5000 176.2000
A0-J2 96.6170 95.2520 113.0000 113.7000
A0-J6 160.3590 159.7700 37.4690 37.5560
B5-J2 85.7640 84.5210 84.1000 84.4000
B5-J6 197.5360 197.1880 28.3840 28.5600
J2-J6 165.2100 165.2390 2.9780 3.5200
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26GP.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60536.14086563
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME BD-19 4552
HIERARCH ESO INS SOBJ NAME BD-19_4552
RA 257.720657
DEC -20.14798
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 46.654
HIERARCH ESO ISS PBL12 END 46.637
HIERARCH ESO ISS PBLA12 START 175.5
HIERARCH ESO ISS PBLA12 END 176.2
HIERARCH ESO ISS PBL13 START 96.617
HIERARCH ESO ISS PBL13 END 95.252
HIERARCH ESO ISS PBLA13 START 113.0
HIERARCH ESO ISS PBLA13 END 113.7
HIERARCH ESO ISS PBL14 START 160.359
HIERARCH ESO ISS PBL14 END 159.77
HIERARCH ESO ISS PBLA14 START 37.469
HIERARCH ESO ISS PBLA14 END 37.556
HIERARCH ESO ISS PBL23 START 85.764
HIERARCH ESO ISS PBL23 END 84.521
HIERARCH ESO ISS PBLA23 START 84.1
HIERARCH ESO ISS PBLA23 END 84.4
HIERARCH ESO ISS PBL24 START 197.536
HIERARCH ESO ISS PBL24 END 197.188
HIERARCH ESO ISS PBLA24 START 28.384
HIERARCH ESO ISS PBLA24 END 28.56
HIERARCH ESO ISS PBL34 START 165.21
HIERARCH ESO ISS PBL34 END 165.239
HIERARCH ESO ISS PBLA34 START 2.978
HIERARCH ESO ISS PBLA34 END 3.52
HIERARCH ESO ISS AMBI TAU0 START 0.00402
HIERARCH ESO ISS AMBI TAU0 END 0.003464
HIERARCH ESO ISS AMBI TEMP 12.51
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.51