Exposure
ID
GRAVI.2020-02-14T01:07:39.333_1
Header ID
GRAVI.2020-02-14T01:07:39.333
Date updated
2020-10-06 11:05:24 UTC+0000
Release date
2020-02-14 01:07:39 UTC+0000
UTC Start
2020-02-14 01:07:39.333
UTC End
2020-02-14 01:11:39.333
MJD Start
58893.04698302
MJD End
58893.0497607978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.009343
Ambient temperature (°C)
16.4
Seeing (arcsec)
0.62
Observation
ID
54647
Category
calibrator
Program ID
104.20UZ.001
Program Title
BETELGEUSE IS BECOMING FAINTER: THE HIGH ANGULAR RESOLUTION RESPONSE
Program Type
ToO
PI / COI
MONTARGES/ CANTALLOUBE/ HUBY/ CANNON/ KERVELLA/ LAGADEC/ DUPREE/ DECIN/ LEBRE/ PERRIN/ LOPEZ ARISTE
Target
ID
33276
Name
HD_44945
RA
96.193344
DEC
3.76324
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.0730 23.9740 137.7000 137.8000
A0-D0 30.9120 31.0540 73.2000 73.2000
A0-C1 22.4930 22.4490 113.2690 113.2490
B2-D0 29.8870 30.0210 26.6000 27.0000
B2-C1 9.9550 10.0000 26.5360 26.9720
D0-C1 19.9320 20.0210 206.6070 207.0420
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 104.20UZ.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 58893.04698302
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD_44945
HIERARCH ESO INS SOBJ NAME HD_44945
RA 96.193344
DEC 3.76324
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 24.073
HIERARCH ESO ISS PBL12 END 23.974
HIERARCH ESO ISS PBLA12 START 137.7
HIERARCH ESO ISS PBLA12 END 137.8
HIERARCH ESO ISS PBL13 START 30.912
HIERARCH ESO ISS PBL13 END 31.054
HIERARCH ESO ISS PBLA13 START 73.2
HIERARCH ESO ISS PBLA13 END 73.2
HIERARCH ESO ISS PBL14 START 22.493
HIERARCH ESO ISS PBL14 END 22.449
HIERARCH ESO ISS PBLA14 START 113.269
HIERARCH ESO ISS PBLA14 END 113.249
HIERARCH ESO ISS PBL23 START 29.887
HIERARCH ESO ISS PBL23 END 30.021
HIERARCH ESO ISS PBLA23 START 26.6
HIERARCH ESO ISS PBLA23 END 27.0
HIERARCH ESO ISS PBL24 START 9.955
HIERARCH ESO ISS PBL24 END 10.0
HIERARCH ESO ISS PBLA24 START 26.536
HIERARCH ESO ISS PBLA24 END 26.972
HIERARCH ESO ISS PBL34 START 19.932
HIERARCH ESO ISS PBL34 END 20.021
HIERARCH ESO ISS PBLA34 START 206.607
HIERARCH ESO ISS PBLA34 END 207.042
HIERARCH ESO ISS AMBI TAU0 START 0.009646
HIERARCH ESO ISS AMBI TAU0 END 0.00904
HIERARCH ESO ISS AMBI TEMP 16.4
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.68