Exposure
ID
GRAVI.2020-02-13T01:08:45.137_1
Header ID
GRAVI.2020-02-13T01:08:45.137
Date updated
2020-10-06 11:05:23 UTC+0000
Release date
2020-02-13 01:08:45 UTC+0000
UTC Start
2020-02-13 01:08:45.137
UTC End
2020-02-13 01:12:45.137
MJD Start
58892.04774464
MJD End
58892.0505224178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.007726
Ambient temperature (°C)
16.17
Seeing (arcsec)
0.535
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 24.1360 24.0390 137.5000 137.7000
A0-D0 30.8120 30.9610 73.2000 73.2000
A0-C1 22.5190 22.4790 113.2890 113.2630
B2-D0 29.7990 29.9330 26.3000 26.7000
B2-C1 9.9260 9.9710 26.2420 26.6870
D0-C1 19.8730 19.9620 206.3130 206.7580
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 58892.04774464
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 24.136
HIERARCH ESO ISS PBL12 END 24.039
HIERARCH ESO ISS PBLA12 START 137.5
HIERARCH ESO ISS PBLA12 END 137.7
HIERARCH ESO ISS PBL13 START 30.812
HIERARCH ESO ISS PBL13 END 30.961
HIERARCH ESO ISS PBLA13 START 73.2
HIERARCH ESO ISS PBLA13 END 73.2
HIERARCH ESO ISS PBL14 START 22.519
HIERARCH ESO ISS PBL14 END 22.479
HIERARCH ESO ISS PBLA14 START 113.289
HIERARCH ESO ISS PBLA14 END 113.263
HIERARCH ESO ISS PBL23 START 29.799
HIERARCH ESO ISS PBL23 END 29.933
HIERARCH ESO ISS PBLA23 START 26.3
HIERARCH ESO ISS PBLA23 END 26.7
HIERARCH ESO ISS PBL24 START 9.926
HIERARCH ESO ISS PBL24 END 9.971
HIERARCH ESO ISS PBLA24 START 26.242
HIERARCH ESO ISS PBLA24 END 26.687
HIERARCH ESO ISS PBL34 START 19.873
HIERARCH ESO ISS PBL34 END 19.962
HIERARCH ESO ISS PBLA34 START 206.313
HIERARCH ESO ISS PBLA34 END 206.758
HIERARCH ESO ISS AMBI TAU0 START 0.008352
HIERARCH ESO ISS AMBI TAU0 END 0.0071
HIERARCH ESO ISS AMBI TEMP 16.17
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.54