Exposure
ID
GRAVI.2021-11-03T05:48:09.785_1
Header ID
GRAVI.2021-11-03T05:48:09.785
Date updated
2021-11-03 06:00:56 UTC+0000
Release date
2021-11-03 05:48:09 UTC+0000
UTC Start
2021-11-03 05:48:09.785
UTC End
2021-11-03 05:52:09.785
MJD Start
59521.24177992
MJD End
59521.2445576978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.008942
Ambient temperature (°C)
11.58
Seeing (arcsec)
0.335
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 25.2600 25.2760 136.7000 136.6000
A0-D0 22.9650 23.3500 69.6000 69.8000
A0-C1 21.0240 21.1590 117.1510 116.8920
B2-D0 26.7440 26.8070 9.0000 9.8000
B2-C1 8.9110 8.9320 8.9940 9.7430
D0-C1 17.8330 17.8750 189.0640 189.8140
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 59521.24177992
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 25.26
HIERARCH ESO ISS PBL12 END 25.276
HIERARCH ESO ISS PBLA12 START 136.7
HIERARCH ESO ISS PBLA12 END 136.6
HIERARCH ESO ISS PBL13 START 22.965
HIERARCH ESO ISS PBL13 END 23.35
HIERARCH ESO ISS PBLA13 START 69.6
HIERARCH ESO ISS PBLA13 END 69.8
HIERARCH ESO ISS PBL14 START 21.024
HIERARCH ESO ISS PBL14 END 21.159
HIERARCH ESO ISS PBLA14 START 117.151
HIERARCH ESO ISS PBLA14 END 116.892
HIERARCH ESO ISS PBL23 START 26.744
HIERARCH ESO ISS PBL23 END 26.807
HIERARCH ESO ISS PBLA23 START 9.0
HIERARCH ESO ISS PBLA23 END 9.8
HIERARCH ESO ISS PBL24 START 8.911
HIERARCH ESO ISS PBL24 END 8.932
HIERARCH ESO ISS PBLA24 START 8.994
HIERARCH ESO ISS PBLA24 END 9.743
HIERARCH ESO ISS PBL34 START 17.833
HIERARCH ESO ISS PBL34 END 17.875
HIERARCH ESO ISS PBLA34 START 189.064
HIERARCH ESO ISS PBLA34 END 189.814
HIERARCH ESO ISS AMBI TAU0 START 0.009233
HIERARCH ESO ISS AMBI TAU0 END 0.008651
HIERARCH ESO ISS AMBI TEMP 11.58
HIERARCH ESO ISS AMBI FWHM START 0.33
HIERARCH ESO ISS AMBI FWHM END 0.34