Exposure
ID
GRAVI.2020-02-07T01:50:50.231_1
Header ID
GRAVI.2020-02-07T01:50:50.231
Date updated
2020-10-06 11:00:19 UTC+0000
Release date
2020-02-07 01:50:50 UTC+0000
UTC Start
2020-02-07 01:50:50.231
UTC End
2020-02-07 01:54:50.231
MJD Start
58886.07697027
MJD End
58886.0797480478
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.006274
Ambient temperature (°C)
14.95
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 23.6920 23.5810 138.4000 138.6000
A0-D0 31.3880 31.4940 73.2000 73.2000
A0-C1 22.2970 22.2280 113.2310 113.2370
B2-D0 30.3770 30.5100 28.1000 28.5000
B2-C1 10.1180 10.1620 28.0830 28.4760
D0-C1 20.2590 20.3470 208.1520 208.5450
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 58886.07697027
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 23.692
HIERARCH ESO ISS PBL12 END 23.581
HIERARCH ESO ISS PBLA12 START 138.4
HIERARCH ESO ISS PBLA12 END 138.6
HIERARCH ESO ISS PBL13 START 31.388
HIERARCH ESO ISS PBL13 END 31.494
HIERARCH ESO ISS PBLA13 START 73.2
HIERARCH ESO ISS PBLA13 END 73.2
HIERARCH ESO ISS PBL14 START 22.297
HIERARCH ESO ISS PBL14 END 22.228
HIERARCH ESO ISS PBLA14 START 113.231
HIERARCH ESO ISS PBLA14 END 113.237
HIERARCH ESO ISS PBL23 START 30.377
HIERARCH ESO ISS PBL23 END 30.51
HIERARCH ESO ISS PBLA23 START 28.1
HIERARCH ESO ISS PBLA23 END 28.5
HIERARCH ESO ISS PBL24 START 10.118
HIERARCH ESO ISS PBL24 END 10.162
HIERARCH ESO ISS PBLA24 START 28.083
HIERARCH ESO ISS PBLA24 END 28.476
HIERARCH ESO ISS PBL34 START 20.259
HIERARCH ESO ISS PBL34 END 20.347
HIERARCH ESO ISS PBLA34 START 208.152
HIERARCH ESO ISS PBLA34 END 208.545
HIERARCH ESO ISS AMBI TAU0 START 0.006418
HIERARCH ESO ISS AMBI TAU0 END 0.00613
HIERARCH ESO ISS AMBI TEMP 14.95
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.59