Exposure
ID
GRAVI.2023-01-17T00:37:34.169_1
Header ID
GRAVI.2023-01-17T00:37:34.169
Date updated
2023-01-17 00:49:17 UTC+0000
Release date
2024-01-17 00:49:17 UTC+0000
UTC Start
2023-01-17 00:37:34.169
UTC End
2023-01-17 00:39:10.169
MJD Start
59961.02608992
MJD End
59961.0272010311
Exposure time (s)
96.0
Validation level
1
Tau 0: Coherence time (s)
0.002079
Ambient temperature (°C)
12.59
Seeing (arcsec)
0.56
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 25.2880 25.2800 136.4000 136.3000
A0-D0 23.6780 23.9650 73.5000 73.6000
A0-C1 21.6150 21.6970 117.4700 117.2540
B2-D0 25.6060 25.6720 11.9000 12.4000
B2-C1 8.5320 8.5540 11.8100 12.3870
D0-C1 17.0740 17.1180 191.8880 192.4650
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 59961.02608992
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 25.288
HIERARCH ESO ISS PBL12 END 25.28
HIERARCH ESO ISS PBLA12 START 136.4
HIERARCH ESO ISS PBLA12 END 136.3
HIERARCH ESO ISS PBL13 START 23.678
HIERARCH ESO ISS PBL13 END 23.965
HIERARCH ESO ISS PBLA13 START 73.5
HIERARCH ESO ISS PBLA13 END 73.6
HIERARCH ESO ISS PBL14 START 21.615
HIERARCH ESO ISS PBL14 END 21.697
HIERARCH ESO ISS PBLA14 START 117.47
HIERARCH ESO ISS PBLA14 END 117.254
HIERARCH ESO ISS PBL23 START 25.606
HIERARCH ESO ISS PBL23 END 25.672
HIERARCH ESO ISS PBLA23 START 11.9
HIERARCH ESO ISS PBLA23 END 12.4
HIERARCH ESO ISS PBL24 START 8.532
HIERARCH ESO ISS PBL24 END 8.554
HIERARCH ESO ISS PBLA24 START 11.81
HIERARCH ESO ISS PBLA24 END 12.387
HIERARCH ESO ISS PBL34 START 17.074
HIERARCH ESO ISS PBL34 END 17.118
HIERARCH ESO ISS PBLA34 START 191.888
HIERARCH ESO ISS PBLA34 END 192.465
HIERARCH ESO ISS AMBI TAU0 START 0.002079
HIERARCH ESO ISS AMBI TAU0 END 0.002079
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56