Exposure
ID
GRAVI.2023-01-17T01:01:34.230_1
Header ID
GRAVI.2023-01-17T01:01:34.230
Date updated
2023-01-17 01:13:14 UTC+0000
Release date
2023-01-17 01:01:34 UTC+0000
UTC Start
2023-01-17 01:01:34.230
UTC End
2023-01-17 01:05:34.230
MJD Start
59961.04275729
MJD End
59961.0455350678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.006896
Ambient temperature (°C)
12.66
Seeing (arcsec)
0.44
Observation
ID
53881
Category
calibrator
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
40062
Name
HD_39400
RA
88.107903
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 25.2790 25.2640 136.2000 136.2000
A0-D0 26.4700 26.7820 70.4000 70.6000
A0-C1 21.9900 22.0770 114.7420 114.6030
B2-D0 28.1190 28.2140 15.3000 16.0000
B2-C1 9.3680 9.4000 15.2730 15.9300
D0-C1 18.7510 18.8140 195.3470 196.0040
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.24AB.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59961.04275729
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD_39400
HIERARCH ESO INS SOBJ NAME HD_39400
RA 88.107903
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 25.279
HIERARCH ESO ISS PBL12 END 25.264
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 26.47
HIERARCH ESO ISS PBL13 END 26.782
HIERARCH ESO ISS PBLA13 START 70.4
HIERARCH ESO ISS PBLA13 END 70.6
HIERARCH ESO ISS PBL14 START 21.99
HIERARCH ESO ISS PBL14 END 22.077
HIERARCH ESO ISS PBLA14 START 114.742
HIERARCH ESO ISS PBLA14 END 114.603
HIERARCH ESO ISS PBL23 START 28.119
HIERARCH ESO ISS PBL23 END 28.214
HIERARCH ESO ISS PBLA23 START 15.3
HIERARCH ESO ISS PBLA23 END 16.0
HIERARCH ESO ISS PBL24 START 9.368
HIERARCH ESO ISS PBL24 END 9.4
HIERARCH ESO ISS PBLA24 START 15.273
HIERARCH ESO ISS PBLA24 END 15.93
HIERARCH ESO ISS PBL34 START 18.751
HIERARCH ESO ISS PBL34 END 18.814
HIERARCH ESO ISS PBLA34 START 195.347
HIERARCH ESO ISS PBLA34 END 196.004
HIERARCH ESO ISS AMBI TAU0 START 0.00666
HIERARCH ESO ISS AMBI TAU0 END 0.007132
HIERARCH ESO ISS AMBI TEMP 12.66
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.45