Exposure
ID
GRAVI.2020-02-07T02:00:14.255_1
Header ID
GRAVI.2020-02-07T02:00:14.255
Date updated
2020-10-06 11:00:19 UTC+0000
Release date
2020-02-07 02:00:14 UTC+0000
UTC Start
2020-02-07 02:00:14.255
UTC End
2020-02-07 02:04:14.255
MJD Start
58886.08349832
MJD End
58886.0862760978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004976
Ambient temperature (°C)
15.01
Seeing (arcsec)
0.69
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 23.4420 23.3250 138.9000 139.2000
A0-D0 31.6100 31.6930 73.2000 73.2000
A0-C1 22.1360 22.0530 113.2540 113.2770
B2-D0 30.6690 30.7990 29.0000 29.3000
B2-C1 10.2160 10.2590 28.9360 29.3010
D0-C1 20.4540 20.5400 209.0040 209.3690
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 58886.08349832
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 23.442
HIERARCH ESO ISS PBL12 END 23.325
HIERARCH ESO ISS PBLA12 START 138.9
HIERARCH ESO ISS PBLA12 END 139.2
HIERARCH ESO ISS PBL13 START 31.61
HIERARCH ESO ISS PBL13 END 31.693
HIERARCH ESO ISS PBLA13 START 73.2
HIERARCH ESO ISS PBLA13 END 73.2
HIERARCH ESO ISS PBL14 START 22.136
HIERARCH ESO ISS PBL14 END 22.053
HIERARCH ESO ISS PBLA14 START 113.254
HIERARCH ESO ISS PBLA14 END 113.277
HIERARCH ESO ISS PBL23 START 30.669
HIERARCH ESO ISS PBL23 END 30.799
HIERARCH ESO ISS PBLA23 START 29.0
HIERARCH ESO ISS PBLA23 END 29.3
HIERARCH ESO ISS PBL24 START 10.216
HIERARCH ESO ISS PBL24 END 10.259
HIERARCH ESO ISS PBLA24 START 28.936
HIERARCH ESO ISS PBLA24 END 29.301
HIERARCH ESO ISS PBL34 START 20.454
HIERARCH ESO ISS PBL34 END 20.54
HIERARCH ESO ISS PBLA34 START 209.004
HIERARCH ESO ISS PBLA34 END 209.369
HIERARCH ESO ISS AMBI TAU0 START 0.004404
HIERARCH ESO ISS AMBI TAU0 END 0.005548
HIERARCH ESO ISS AMBI TEMP 15.01
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.64