Exposure
ID
GRAVI.2023-01-17T00:45:10.188_1
Header ID
GRAVI.2023-01-17T00:45:10.188
Date updated
2023-01-17 01:00:52 UTC+0000
Release date
2024-01-17 01:00:52 UTC+0000
UTC Start
2023-01-17 00:45:10.188
UTC End
2023-01-17 00:46:46.188
MJD Start
59961.03136792
MJD End
59961.0324790311
Exposure time (s)
96.0
Validation level
1
Tau 0: Coherence time (s)
0.0061715
Ambient temperature (°C)
12.6
Seeing (arcsec)
0.525
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 25.2650 25.2510 136.2000 136.2000
A0-D0 24.3450 24.6230 73.7000 73.8000
A0-C1 21.8020 21.8750 116.9710 116.7710
B2-D0 25.7650 25.8370 13.2000 13.8000
B2-C1 8.5850 8.6080 13.1560 13.7190
D0-C1 17.1800 17.2280 193.2350 193.7970
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 59961.03136792
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 25.265
HIERARCH ESO ISS PBL12 END 25.251
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 24.345
HIERARCH ESO ISS PBL13 END 24.623
HIERARCH ESO ISS PBLA13 START 73.7
HIERARCH ESO ISS PBLA13 END 73.8
HIERARCH ESO ISS PBL14 START 21.802
HIERARCH ESO ISS PBL14 END 21.875
HIERARCH ESO ISS PBLA14 START 116.971
HIERARCH ESO ISS PBLA14 END 116.771
HIERARCH ESO ISS PBL23 START 25.765
HIERARCH ESO ISS PBL23 END 25.837
HIERARCH ESO ISS PBLA23 START 13.2
HIERARCH ESO ISS PBLA23 END 13.8
HIERARCH ESO ISS PBL24 START 8.585
HIERARCH ESO ISS PBL24 END 8.608
HIERARCH ESO ISS PBLA24 START 13.156
HIERARCH ESO ISS PBLA24 END 13.719
HIERARCH ESO ISS PBL34 START 17.18
HIERARCH ESO ISS PBL34 END 17.228
HIERARCH ESO ISS PBLA34 START 193.235
HIERARCH ESO ISS PBLA34 END 193.797
HIERARCH ESO ISS AMBI TAU0 START 0.006294
HIERARCH ESO ISS AMBI TAU0 END 0.006049
HIERARCH ESO ISS AMBI TEMP 12.6
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.51