Exposure
ID
GRAVI.2021-11-27T05:00:07.638_1
Header ID
GRAVI.2021-11-27T05:00:07.638
Date updated
2021-11-27 05:16:48 UTC+0000
Release date
2021-11-27 05:00:07 UTC+0000
UTC Start
2021-11-27 05:00:07.638
UTC End
2021-11-27 05:04:07.638
MJD Start
59545.20842174
MJD End
59545.2111995178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.00491
Ambient temperature (°C)
11.61
Seeing (arcsec)
0.59
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 25.2090 25.1800 136.1000 136.1000
A0-D0 26.7800 27.0850 71.9000 72.0000
A0-C1 22.1890 22.2600 114.8820 114.7270
B2-D0 27.6640 27.7710 16.7000 17.4000
B2-C1 9.2170 9.2520 16.6850 17.3340
D0-C1 18.4480 18.5190 196.7600 197.4090
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 59545.20842174
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 25.209
HIERARCH ESO ISS PBL12 END 25.18
HIERARCH ESO ISS PBLA12 START 136.1
HIERARCH ESO ISS PBLA12 END 136.1
HIERARCH ESO ISS PBL13 START 26.78
HIERARCH ESO ISS PBL13 END 27.085
HIERARCH ESO ISS PBLA13 START 71.9
HIERARCH ESO ISS PBLA13 END 72.0
HIERARCH ESO ISS PBL14 START 22.189
HIERARCH ESO ISS PBL14 END 22.26
HIERARCH ESO ISS PBLA14 START 114.882
HIERARCH ESO ISS PBLA14 END 114.727
HIERARCH ESO ISS PBL23 START 27.664
HIERARCH ESO ISS PBL23 END 27.771
HIERARCH ESO ISS PBLA23 START 16.7
HIERARCH ESO ISS PBLA23 END 17.4
HIERARCH ESO ISS PBL24 START 9.217
HIERARCH ESO ISS PBL24 END 9.252
HIERARCH ESO ISS PBLA24 START 16.685
HIERARCH ESO ISS PBLA24 END 17.334
HIERARCH ESO ISS PBL34 START 18.448
HIERARCH ESO ISS PBL34 END 18.519
HIERARCH ESO ISS PBLA34 START 196.76
HIERARCH ESO ISS PBLA34 END 197.409
HIERARCH ESO ISS AMBI TAU0 START 0.004087
HIERARCH ESO ISS AMBI TAU0 END 0.005733
HIERARCH ESO ISS AMBI TEMP 11.61
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.56