Exposure
ID
GRAVI.2023-01-16T01:11:58.986_1
Header ID
GRAVI.2023-01-16T01:11:58.986
Date updated
2023-01-16 01:26:27 UTC+0000
Release date
2024-01-16 01:26:27 UTC+0000
UTC Start
2023-01-16 01:11:58.986
UTC End
2023-01-16 01:13:34.986
MJD Start
59960.04998826
MJD End
59960.0510993711
Exposure time (s)
96.0
Validation level
1
Tau 0: Coherence time (s)
0.012867
Ambient temperature (°C)
12.93
Seeing (arcsec)
0.545
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 25.1150 25.0840 135.9000 135.8000
A0-D0 26.2130 26.4570 74.2000 74.2000
A0-C1 22.2520 22.3020 115.6520 115.4900
B2-D0 26.3290 26.4170 17.1000 17.6000
B2-C1 8.7720 8.8010 17.0030 17.5200
D0-C1 17.5570 17.6160 197.0830 197.5990
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 59960.04998826
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 25.115
HIERARCH ESO ISS PBL12 END 25.084
HIERARCH ESO ISS PBLA12 START 135.9
HIERARCH ESO ISS PBLA12 END 135.8
HIERARCH ESO ISS PBL13 START 26.213
HIERARCH ESO ISS PBL13 END 26.457
HIERARCH ESO ISS PBLA13 START 74.2
HIERARCH ESO ISS PBLA13 END 74.2
HIERARCH ESO ISS PBL14 START 22.252
HIERARCH ESO ISS PBL14 END 22.302
HIERARCH ESO ISS PBLA14 START 115.652
HIERARCH ESO ISS PBLA14 END 115.49
HIERARCH ESO ISS PBL23 START 26.329
HIERARCH ESO ISS PBL23 END 26.417
HIERARCH ESO ISS PBLA23 START 17.1
HIERARCH ESO ISS PBLA23 END 17.6
HIERARCH ESO ISS PBL24 START 8.772
HIERARCH ESO ISS PBL24 END 8.801
HIERARCH ESO ISS PBLA24 START 17.003
HIERARCH ESO ISS PBLA24 END 17.52
HIERARCH ESO ISS PBL34 START 17.557
HIERARCH ESO ISS PBL34 END 17.616
HIERARCH ESO ISS PBLA34 START 197.083
HIERARCH ESO ISS PBLA34 END 197.599
HIERARCH ESO ISS AMBI TAU0 START 0.0128
HIERARCH ESO ISS AMBI TAU0 END 0.012934
HIERARCH ESO ISS AMBI TEMP 12.93
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.53