Exposure
ID
GRAVI.2023-01-15T02:52:17.104_1
Header ID
GRAVI.2023-01-15T02:52:17.104
Date updated
2023-01-15 03:05:51 UTC+0000
Release date
2024-01-15 03:05:50 UTC+0000
UTC Start
2023-01-15 02:52:17.104
UTC End
2023-01-15 02:53:53.104
MJD Start
59959.11964241
MJD End
59959.1207535211
Exposure time (s)
96.0
Validation level
1
Tau 0: Coherence time (s)
0.004137
Ambient temperature (°C)
13.47
Seeing (arcsec)
0.775
Observation
ID
53880
Category
science
Program ID
110.24AB.001
Program Title
EXPLORING THE SURFACE - WIND CONNECTION OF THE RED SUPERGIANTS, BETELGEUSE AND VY CMA
Program Type
Normal
PI / COI
MONTARGES/ CANNON/ LEBRE/ DUPREE/ HUMPHREYS/ LAGADEC/ SCICLUNA/ KERVELLA/ DE KOTER/ LOPEZ ARISTE/ SANCHEZ/ PALADINI/ DECIN/ KRAVCHENKO/ WITTKOWSKI/ NORRIS/ CHIAVASSA/ RIDGWAY/ PERRIN/ HAUBOIS/ CANTALLOUBE/ RAU/ LOPEZ/ JONES
Target
ID
40061
Name
Betelgeuse
RA
88.79084
DEC
7.40712
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 23.2020 23.1060 137.5000 137.7000
A0-D0 31.3100 31.3960 73.9000 73.9000
A0-C1 22.1680 22.1080 112.5890 112.5540
B2-D0 29.5320 29.6460 29.2000 29.5000
B2-C1 9.8370 9.8740 29.1490 29.4400
D0-C1 19.6960 19.7710 209.2200 209.5100
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.24AB.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59959.11964241
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME Betelgeuse
HIERARCH ESO INS SOBJ NAME Betelgeuse
RA 88.79084
DEC 7.40712
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 194.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 320
HIERARCH ESO ISS PBL12 START 23.202
HIERARCH ESO ISS PBL12 END 23.106
HIERARCH ESO ISS PBLA12 START 137.5
HIERARCH ESO ISS PBLA12 END 137.7
HIERARCH ESO ISS PBL13 START 31.31
HIERARCH ESO ISS PBL13 END 31.396
HIERARCH ESO ISS PBLA13 START 73.9
HIERARCH ESO ISS PBLA13 END 73.9
HIERARCH ESO ISS PBL14 START 22.168
HIERARCH ESO ISS PBL14 END 22.108
HIERARCH ESO ISS PBLA14 START 112.589
HIERARCH ESO ISS PBLA14 END 112.554
HIERARCH ESO ISS PBL23 START 29.532
HIERARCH ESO ISS PBL23 END 29.646
HIERARCH ESO ISS PBLA23 START 29.2
HIERARCH ESO ISS PBLA23 END 29.5
HIERARCH ESO ISS PBL24 START 9.837
HIERARCH ESO ISS PBL24 END 9.874
HIERARCH ESO ISS PBLA24 START 29.149
HIERARCH ESO ISS PBLA24 END 29.44
HIERARCH ESO ISS PBL34 START 19.696
HIERARCH ESO ISS PBL34 END 19.771
HIERARCH ESO ISS PBLA34 START 209.22
HIERARCH ESO ISS PBLA34 END 209.51
HIERARCH ESO ISS AMBI TAU0 START 0.004448
HIERARCH ESO ISS AMBI TAU0 END 0.003826
HIERARCH ESO ISS AMBI TEMP 13.47
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.77