Exposure
ID
GRAVI.2021-01-20T04:38:17.687_1
Header ID
GRAVI.2021-01-20T04:38:17.687
Date updated
2021-01-20 05:10:52 UTC+0000
Release date
2021-01-20 05:10:52 UTC+0000
UTC Start
2021-01-20 04:38:17.687
UTC End
2021-01-20 04:48:57.687
MJD Start
59234.19326027
MJD End
59234.2006676774
Exposure time (s)
640.0
Validation level
1
Tau 0: Coherence time (s)
0.005096
Ambient temperature (°C)
12.35
Seeing (arcsec)
0.81
Observation
ID
46417
Category
science
Program ID
60.A-9801(U)
Program Title
TECHNICAL TIME
Program Type
Normal
PI / COI
OBSERVATORY, P
Target
ID
34900
Name
Sirius
RA
101.283328
DEC
-16.72184
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.0540 86.0360 122.4000 122.4000
A0-D0 31.1260 31.1200 75.8000 75.8000
A0-J3 131.4010 131.3910 51.1790 51.1890
G1-D0 68.5150 68.5050 321.7000 321.7000
G1-J3 131.8940 131.8960 13.0240 13.0410
D0-J3 103.9170 103.9120 44.0100 44.0210
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9801(U)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59234.19326027
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME Sirius
HIERARCH ESO INS SOBJ NAME Sirius
RA 101.283328
DEC -16.72184
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 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 822.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 640
HIERARCH ESO ISS PBL12 START 86.054
HIERARCH ESO ISS PBL12 END 86.036
HIERARCH ESO ISS PBLA12 START 122.4
HIERARCH ESO ISS PBLA12 END 122.4
HIERARCH ESO ISS PBL13 START 31.126
HIERARCH ESO ISS PBL13 END 31.12
HIERARCH ESO ISS PBLA13 START 75.8
HIERARCH ESO ISS PBLA13 END 75.8
HIERARCH ESO ISS PBL14 START 131.401
HIERARCH ESO ISS PBL14 END 131.391
HIERARCH ESO ISS PBLA14 START 51.179
HIERARCH ESO ISS PBLA14 END 51.189
HIERARCH ESO ISS PBL23 START 68.515
HIERARCH ESO ISS PBL23 END 68.505
HIERARCH ESO ISS PBLA23 START 321.7
HIERARCH ESO ISS PBLA23 END 321.7
HIERARCH ESO ISS PBL24 START 131.894
HIERARCH ESO ISS PBL24 END 131.896
HIERARCH ESO ISS PBLA24 START 13.024
HIERARCH ESO ISS PBLA24 END 13.041
HIERARCH ESO ISS PBL34 START 103.917
HIERARCH ESO ISS PBL34 END 103.912
HIERARCH ESO ISS PBLA34 START 44.01
HIERARCH ESO ISS PBLA34 END 44.021
HIERARCH ESO ISS AMBI TAU0 START 0.005096
HIERARCH ESO ISS AMBI TAU0 END 0.005096
HIERARCH ESO ISS AMBI TEMP 12.35
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81