Exposure
ID
GRAVI.2023-01-16T01:34:56.044_1
Header ID
GRAVI.2023-01-16T01:34:56.044
Date updated
2023-01-16 01:46:10 UTC+0000
Release date
2024-01-16 01:46:10 UTC+0000
UTC Start
2023-01-16 01:34:56.044
UTC End
2023-01-16 01:36:32.044
MJD Start
59960.06592643
MJD End
59960.0670375411
Exposure time (s)
96.0
Validation level
1
Tau 0: Coherence time (s)
0.0082785
Ambient temperature (°C)
13.12
Seeing (arcsec)
0.51
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 24.8430 24.7950 135.7000 135.8000
A0-D0 27.8490 28.0580 74.4000 74.4000
A0-C1 22.5290 22.5540 114.5780 114.4450
B2-D0 27.0030 27.1050 20.6000 21.0000
B2-C1 8.9960 9.0300 20.5120 20.9770
D0-C1 18.0070 18.0750 200.5910 201.0560
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 59960.06592643
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 24.843
HIERARCH ESO ISS PBL12 END 24.795
HIERARCH ESO ISS PBLA12 START 135.7
HIERARCH ESO ISS PBLA12 END 135.8
HIERARCH ESO ISS PBL13 START 27.849
HIERARCH ESO ISS PBL13 END 28.058
HIERARCH ESO ISS PBLA13 START 74.4
HIERARCH ESO ISS PBLA13 END 74.4
HIERARCH ESO ISS PBL14 START 22.529
HIERARCH ESO ISS PBL14 END 22.554
HIERARCH ESO ISS PBLA14 START 114.578
HIERARCH ESO ISS PBLA14 END 114.445
HIERARCH ESO ISS PBL23 START 27.003
HIERARCH ESO ISS PBL23 END 27.105
HIERARCH ESO ISS PBLA23 START 20.6
HIERARCH ESO ISS PBLA23 END 21.0
HIERARCH ESO ISS PBL24 START 8.996
HIERARCH ESO ISS PBL24 END 9.03
HIERARCH ESO ISS PBLA24 START 20.512
HIERARCH ESO ISS PBLA24 END 20.977
HIERARCH ESO ISS PBL34 START 18.007
HIERARCH ESO ISS PBL34 END 18.075
HIERARCH ESO ISS PBLA34 START 200.591
HIERARCH ESO ISS PBLA34 END 201.056
HIERARCH ESO ISS AMBI TAU0 START 0.008476
HIERARCH ESO ISS AMBI TAU0 END 0.008081
HIERARCH ESO ISS AMBI TEMP 13.12
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.54