Exposure
ID
GRAVI.2021-11-27T06:41:31.894_1
Header ID
GRAVI.2021-11-27T06:41:31.894
Date updated
2021-11-27 06:57:30 UTC+0000
Release date
2021-11-27 06:41:31 UTC+0000
UTC Start
2021-11-27 06:41:31.894
UTC End
2021-11-27 06:45:31.894
MJD Start
59545.27884136
MJD End
59545.2816191378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004612
Ambient temperature (°C)
11.12
Seeing (arcsec)
0.535
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 23.4390 23.3210 139.0000 139.2000
A0-D0 31.6120 31.6960 73.2000 73.2000
A0-C1 22.1340 22.0510 113.2580 113.2800
B2-D0 30.6720 30.8020 29.0000 29.4000
B2-C1 10.2170 10.2600 28.9500 29.3150
D0-C1 20.4560 20.5420 209.0170 209.3820
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 59545.27884136
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 23.439
HIERARCH ESO ISS PBL12 END 23.321
HIERARCH ESO ISS PBLA12 START 139.0
HIERARCH ESO ISS PBLA12 END 139.2
HIERARCH ESO ISS PBL13 START 31.612
HIERARCH ESO ISS PBL13 END 31.696
HIERARCH ESO ISS PBLA13 START 73.2
HIERARCH ESO ISS PBLA13 END 73.2
HIERARCH ESO ISS PBL14 START 22.134
HIERARCH ESO ISS PBL14 END 22.051
HIERARCH ESO ISS PBLA14 START 113.258
HIERARCH ESO ISS PBLA14 END 113.28
HIERARCH ESO ISS PBL23 START 30.672
HIERARCH ESO ISS PBL23 END 30.802
HIERARCH ESO ISS PBLA23 START 29.0
HIERARCH ESO ISS PBLA23 END 29.4
HIERARCH ESO ISS PBL24 START 10.217
HIERARCH ESO ISS PBL24 END 10.26
HIERARCH ESO ISS PBLA24 START 28.95
HIERARCH ESO ISS PBLA24 END 29.315
HIERARCH ESO ISS PBL34 START 20.456
HIERARCH ESO ISS PBL34 END 20.542
HIERARCH ESO ISS PBLA34 START 209.017
HIERARCH ESO ISS PBLA34 END 209.382
HIERARCH ESO ISS AMBI TAU0 START 0.005271
HIERARCH ESO ISS AMBI TAU0 END 0.003953
HIERARCH ESO ISS AMBI TEMP 11.12
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.58