Exposure
ID
GRAVI.2021-11-03T07:09:15.989_1
Header ID
GRAVI.2021-11-03T07:09:15.989
Date updated
2021-11-03 07:20:44 UTC+0000
Release date
2021-11-03 07:09:15 UTC+0000
UTC Start
2021-11-03 07:09:15.989
UTC End
2021-11-03 07:13:15.989
MJD Start
59521.29810173
MJD End
59521.3008795078
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.008027
Ambient temperature (°C)
11.73
Seeing (arcsec)
0.39
Observation
ID
48723
Category
calibrator
Program ID
108.224U.001
Program Title
SPATIALLY RESOLVING BETELGEUSE AND VY CMA, THE CORNERSTONES OF THE RED SUPERGIANT FAMILY
Program Type
Normal
PI / COI
MONTARGES/ LEBRE/ DUPREE/ HUMPHREYS/ CANNON/ LAGADEC/ SCICLUNA/ KERVELLA/ DE KOTER/ LOPEZ ARISTE/ SANCHEZ/ PALADINI/ DECIN/ KRAVCHENKO/ WITTKOWSKI/ NORRIS/ CHIAVASSA/ RIDGWAY/ PERRIN/ HAUBOIS/ CANTALLOUBE/ RAU/ BRUNO
Target
ID
36490
Name
HD_39400
RA
88.107905
DEC
1.8551
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 24.4400 24.3560 137.6000 137.8000
A0-D0 30.6630 30.8210 72.6000 72.7000
A0-C1 22.5860 22.5610 113.4520 113.4410
B2-D0 30.0810 30.2050 25.2000 25.6000
B2-C1 10.0200 10.0620 25.1220 25.5810
D0-C1 20.0610 20.1440 205.1930 205.6520
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.224U.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59521.29810173
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD_39400
HIERARCH ESO INS SOBJ NAME HD_39400
RA 88.107905
DEC 1.8551
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 24.44
HIERARCH ESO ISS PBL12 END 24.356
HIERARCH ESO ISS PBLA12 START 137.6
HIERARCH ESO ISS PBLA12 END 137.8
HIERARCH ESO ISS PBL13 START 30.663
HIERARCH ESO ISS PBL13 END 30.821
HIERARCH ESO ISS PBLA13 START 72.6
HIERARCH ESO ISS PBLA13 END 72.7
HIERARCH ESO ISS PBL14 START 22.586
HIERARCH ESO ISS PBL14 END 22.561
HIERARCH ESO ISS PBLA14 START 113.452
HIERARCH ESO ISS PBLA14 END 113.441
HIERARCH ESO ISS PBL23 START 30.081
HIERARCH ESO ISS PBL23 END 30.205
HIERARCH ESO ISS PBLA23 START 25.2
HIERARCH ESO ISS PBLA23 END 25.6
HIERARCH ESO ISS PBL24 START 10.02
HIERARCH ESO ISS PBL24 END 10.062
HIERARCH ESO ISS PBLA24 START 25.122
HIERARCH ESO ISS PBLA24 END 25.581
HIERARCH ESO ISS PBL34 START 20.061
HIERARCH ESO ISS PBL34 END 20.144
HIERARCH ESO ISS PBLA34 START 205.193
HIERARCH ESO ISS PBLA34 END 205.652
HIERARCH ESO ISS AMBI TAU0 START 0.008027
HIERARCH ESO ISS AMBI TAU0 END 0.008027
HIERARCH ESO ISS AMBI TEMP 11.73
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.39