Exposure
ID
GRAVI.2021-11-27T05:09:28.661_1
Header ID
GRAVI.2021-11-27T05:09:28.661
Date updated
2021-11-27 05:21:27 UTC+0000
Release date
2021-11-27 05:09:28 UTC+0000
UTC Start
2021-11-27 05:09:28.661
UTC End
2021-11-27 05:13:28.661
MJD Start
59545.21491506
MJD End
59545.2176928378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0047045
Ambient temperature (°C)
11.61
Seeing (arcsec)
0.62
Observation
ID
48712
Category
calibrator
Program ID
108.224U.001
Program Title
SPATIALLY RESOLVING BETELGEUSE AND VY CMA, THE CORNERSTONES OF THE RED SUPERGIANT FAMILY
Program Type
Normal
PI / COI
MONTARGES/ LEBRE/ DUPREE/ HUMPHREYS/ CANNON/ LAGADEC/ SCICLUNA/ KERVELLA/ DE KOTER/ LOPEZ ARISTE/ SANCHEZ/ PALADINI/ DECIN/ KRAVCHENKO/ WITTKOWSKI/ NORRIS/ CHIAVASSA/ RIDGWAY/ PERRIN/ HAUBOIS/ CANTALLOUBE/ RAU/ BRUNO
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 25.1390 25.1010 136.1000 136.1000
A0-D0 27.4400 27.7260 72.2000 72.3000
A0-C1 22.3370 22.3950 114.5530 114.4160
B2-D0 27.9030 28.0160 18.1000 18.8000
B2-C1 9.2960 9.3330 18.0970 18.7210
D0-C1 18.6070 18.6820 198.1720 198.7960
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.224U.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59545.21491506
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 25.139
HIERARCH ESO ISS PBL12 END 25.101
HIERARCH ESO ISS PBLA12 START 136.1
HIERARCH ESO ISS PBLA12 END 136.1
HIERARCH ESO ISS PBL13 START 27.44
HIERARCH ESO ISS PBL13 END 27.726
HIERARCH ESO ISS PBLA13 START 72.2
HIERARCH ESO ISS PBLA13 END 72.3
HIERARCH ESO ISS PBL14 START 22.337
HIERARCH ESO ISS PBL14 END 22.395
HIERARCH ESO ISS PBLA14 START 114.553
HIERARCH ESO ISS PBLA14 END 114.416
HIERARCH ESO ISS PBL23 START 27.903
HIERARCH ESO ISS PBL23 END 28.016
HIERARCH ESO ISS PBLA23 START 18.1
HIERARCH ESO ISS PBLA23 END 18.8
HIERARCH ESO ISS PBL24 START 9.296
HIERARCH ESO ISS PBL24 END 9.333
HIERARCH ESO ISS PBLA24 START 18.097
HIERARCH ESO ISS PBLA24 END 18.721
HIERARCH ESO ISS PBL34 START 18.607
HIERARCH ESO ISS PBL34 END 18.682
HIERARCH ESO ISS PBLA34 START 198.172
HIERARCH ESO ISS PBLA34 END 198.796
HIERARCH ESO ISS AMBI TAU0 START 0.004663
HIERARCH ESO ISS AMBI TAU0 END 0.004746
HIERARCH ESO ISS AMBI TEMP 11.61
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.6