Exposure
ID
GRAVI.2023-01-16T01:26:56.023_1
Header ID
GRAVI.2023-01-16T01:26:56.023
Date updated
2023-01-16 01:41:15 UTC+0000
Release date
2024-01-16 01:41:15 UTC+0000
UTC Start
2023-01-16 01:26:56.023
UTC End
2023-01-16 01:28:32.023
MJD Start
59960.06037064
MJD End
59960.0614817511
Exposure time (s)
96.0
Validation level
1
Tau 0: Coherence time (s)
0.007438
Ambient temperature (°C)
13.25
Seeing (arcsec)
0.645
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 24.9510 24.9090 135.8000 135.7000
A0-D0 27.3080 27.5290 74.4000 74.4000
A0-C1 22.4530 22.4870 114.9280 114.7820
B2-D0 26.7580 26.8550 19.4000 19.9000
B2-C1 8.9140 8.9470 19.3350 19.8130
D0-C1 17.8430 17.9090 199.4150 199.8930
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 59960.06037064
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 24.951
HIERARCH ESO ISS PBL12 END 24.909
HIERARCH ESO ISS PBLA12 START 135.8
HIERARCH ESO ISS PBLA12 END 135.7
HIERARCH ESO ISS PBL13 START 27.308
HIERARCH ESO ISS PBL13 END 27.529
HIERARCH ESO ISS PBLA13 START 74.4
HIERARCH ESO ISS PBLA13 END 74.4
HIERARCH ESO ISS PBL14 START 22.453
HIERARCH ESO ISS PBL14 END 22.487
HIERARCH ESO ISS PBLA14 START 114.928
HIERARCH ESO ISS PBLA14 END 114.782
HIERARCH ESO ISS PBL23 START 26.758
HIERARCH ESO ISS PBL23 END 26.855
HIERARCH ESO ISS PBLA23 START 19.4
HIERARCH ESO ISS PBLA23 END 19.9
HIERARCH ESO ISS PBL24 START 8.914
HIERARCH ESO ISS PBL24 END 8.947
HIERARCH ESO ISS PBLA24 START 19.335
HIERARCH ESO ISS PBLA24 END 19.813
HIERARCH ESO ISS PBL34 START 17.843
HIERARCH ESO ISS PBL34 END 17.909
HIERARCH ESO ISS PBLA34 START 199.415
HIERARCH ESO ISS PBLA34 END 199.893
HIERARCH ESO ISS AMBI TAU0 START 0.006798
HIERARCH ESO ISS AMBI TAU0 END 0.008078
HIERARCH ESO ISS AMBI TEMP 13.25
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.6