Exposure
ID
GRAVI.2021-11-27T05:49:58.763_1
Header ID
GRAVI.2021-11-27T05:49:58.763
Date updated
2021-11-27 06:07:01 UTC+0000
Release date
2021-11-27 05:49:58 UTC+0000
UTC Start
2021-11-27 05:49:58.763
UTC End
2021-11-27 05:53:58.763
MJD Start
59545.24304124
MJD End
59545.2458190178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.006835
Ambient temperature (°C)
11.35
Seeing (arcsec)
0.54
Observation
ID
48723
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
36490
Name
HD_39400
RA
88.107905
DEC
1.8551
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 24.1280 24.0320 138.3000 138.6000
A0-D0 31.1790 31.3020 72.8000 72.8000
A0-C1 22.4660 22.4170 113.4640 113.4840
B2-D0 30.5220 30.6460 26.8000 27.2000
B2-C1 10.1670 10.2080 26.7140 27.1350
D0-C1 20.3550 20.4380 206.7840 207.2040
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 59545.24304124
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD_39400
HIERARCH ESO INS SOBJ NAME HD_39400
RA 88.107905
DEC 1.8551
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 24.128
HIERARCH ESO ISS PBL12 END 24.032
HIERARCH ESO ISS PBLA12 START 138.3
HIERARCH ESO ISS PBLA12 END 138.6
HIERARCH ESO ISS PBL13 START 31.179
HIERARCH ESO ISS PBL13 END 31.302
HIERARCH ESO ISS PBLA13 START 72.8
HIERARCH ESO ISS PBLA13 END 72.8
HIERARCH ESO ISS PBL14 START 22.466
HIERARCH ESO ISS PBL14 END 22.417
HIERARCH ESO ISS PBLA14 START 113.464
HIERARCH ESO ISS PBLA14 END 113.484
HIERARCH ESO ISS PBL23 START 30.522
HIERARCH ESO ISS PBL23 END 30.646
HIERARCH ESO ISS PBLA23 START 26.8
HIERARCH ESO ISS PBLA23 END 27.2
HIERARCH ESO ISS PBL24 START 10.167
HIERARCH ESO ISS PBL24 END 10.208
HIERARCH ESO ISS PBLA24 START 26.714
HIERARCH ESO ISS PBLA24 END 27.135
HIERARCH ESO ISS PBL34 START 20.355
HIERARCH ESO ISS PBL34 END 20.438
HIERARCH ESO ISS PBLA34 START 206.784
HIERARCH ESO ISS PBLA34 END 207.204
HIERARCH ESO ISS AMBI TAU0 START 0.006041
HIERARCH ESO ISS AMBI TAU0 END 0.007629
HIERARCH ESO ISS AMBI TEMP 11.35
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.49