Exposure
ID
GRAVI.2021-11-03T05:57:33.809_1
Header ID
GRAVI.2021-11-03T05:57:33.809
Date updated
2021-11-03 06:10:29 UTC+0000
Release date
2021-11-03 05:57:33 UTC+0000
UTC Start
2021-11-03 05:57:33.809
UTC End
2021-11-03 06:01:33.809
MJD Start
59521.24830797
MJD End
59521.2510857478
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.008925
Ambient temperature (°C)
11.57
Seeing (arcsec)
0.33
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 25.2900 25.2960 136.5000 136.4000
A0-D0 23.8050 24.1760 70.2000 70.4000
A0-C1 21.3150 21.4380 116.5960 116.3610
B2-D0 26.8900 26.9630 10.7000 11.4000
B2-C1 8.9600 8.9840 10.6310 11.3640
D0-C1 17.9300 17.9790 190.7020 191.4360
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 59521.24830797
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 25.29
HIERARCH ESO ISS PBL12 END 25.296
HIERARCH ESO ISS PBLA12 START 136.5
HIERARCH ESO ISS PBLA12 END 136.4
HIERARCH ESO ISS PBL13 START 23.805
HIERARCH ESO ISS PBL13 END 24.176
HIERARCH ESO ISS PBLA13 START 70.2
HIERARCH ESO ISS PBLA13 END 70.4
HIERARCH ESO ISS PBL14 START 21.315
HIERARCH ESO ISS PBL14 END 21.438
HIERARCH ESO ISS PBLA14 START 116.596
HIERARCH ESO ISS PBLA14 END 116.361
HIERARCH ESO ISS PBL23 START 26.89
HIERARCH ESO ISS PBL23 END 26.963
HIERARCH ESO ISS PBLA23 START 10.7
HIERARCH ESO ISS PBLA23 END 11.4
HIERARCH ESO ISS PBL24 START 8.96
HIERARCH ESO ISS PBL24 END 8.984
HIERARCH ESO ISS PBLA24 START 10.631
HIERARCH ESO ISS PBLA24 END 11.364
HIERARCH ESO ISS PBL34 START 17.93
HIERARCH ESO ISS PBL34 END 17.979
HIERARCH ESO ISS PBLA34 START 190.702
HIERARCH ESO ISS PBLA34 END 191.436
HIERARCH ESO ISS AMBI TAU0 START 0.009183
HIERARCH ESO ISS AMBI TAU0 END 0.008667
HIERARCH ESO ISS AMBI TEMP 11.57
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.36