Exposure
ID
GRAVI.2023-01-17T00:41:04.177_1
Header ID
GRAVI.2023-01-17T00:41:04.177
Date updated
2023-01-17 00:57:00 UTC+0000
Release date
2024-01-17 00:57:00 UTC+0000
UTC Start
2023-01-17 00:41:04.177
UTC End
2023-01-17 00:42:40.177
MJD Start
59961.02852057
MJD End
59961.0296316811
Exposure time (s)
96.0
Validation level
1
Tau 0: Coherence time (s)
0.0041865
Ambient temperature (°C)
12.66
Seeing (arcsec)
0.55
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 25.2790 25.2680 136.3000 136.3000
A0-D0 23.9890 24.2720 73.6000 73.7000
A0-C1 21.7030 21.7810 117.2360 117.0260
B2-D0 25.6770 25.7460 12.5000 13.1000
B2-C1 8.5560 8.5780 12.4340 13.0050
D0-C1 17.1220 17.1680 192.5120 193.0830
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 59961.02852057
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 25.279
HIERARCH ESO ISS PBL12 END 25.268
HIERARCH ESO ISS PBLA12 START 136.3
HIERARCH ESO ISS PBLA12 END 136.3
HIERARCH ESO ISS PBL13 START 23.989
HIERARCH ESO ISS PBL13 END 24.272
HIERARCH ESO ISS PBLA13 START 73.6
HIERARCH ESO ISS PBLA13 END 73.7
HIERARCH ESO ISS PBL14 START 21.703
HIERARCH ESO ISS PBL14 END 21.781
HIERARCH ESO ISS PBLA14 START 117.236
HIERARCH ESO ISS PBLA14 END 117.026
HIERARCH ESO ISS PBL23 START 25.677
HIERARCH ESO ISS PBL23 END 25.746
HIERARCH ESO ISS PBLA23 START 12.5
HIERARCH ESO ISS PBLA23 END 13.1
HIERARCH ESO ISS PBL24 START 8.556
HIERARCH ESO ISS PBL24 END 8.578
HIERARCH ESO ISS PBLA24 START 12.434
HIERARCH ESO ISS PBLA24 END 13.005
HIERARCH ESO ISS PBL34 START 17.122
HIERARCH ESO ISS PBL34 END 17.168
HIERARCH ESO ISS PBLA34 START 192.512
HIERARCH ESO ISS PBLA34 END 193.083
HIERARCH ESO ISS AMBI TAU0 START 0.002079
HIERARCH ESO ISS AMBI TAU0 END 0.006294
HIERARCH ESO ISS AMBI TEMP 12.66
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.54