Exposure
ID
GRAVI.2023-01-17T01:11:10.253_1
Header ID
GRAVI.2023-01-17T01:11:10.253
Date updated
2023-01-17 01:20:57 UTC+0000
Release date
2023-01-17 01:11:10 UTC+0000
UTC Start
2023-01-17 01:11:10.253
UTC End
2023-01-17 01:15:10.253
MJD Start
59961.04942423
MJD End
59961.0522020078
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.007789
Ambient temperature (°C)
12.85
Seeing (arcsec)
0.39
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 25.2390 25.2140 136.2000 136.2000
A0-D0 27.1590 27.4530 70.8000 71.0000
A0-C1 22.1760 22.2490 114.4430 114.3230
B2-D0 28.3370 28.4390 16.8000 17.4000
B2-C1 9.4400 9.4740 16.7320 17.3670
D0-C1 18.8960 18.9640 196.8060 197.4410
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 59961.04942423
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 25.239
HIERARCH ESO ISS PBL12 END 25.214
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 27.159
HIERARCH ESO ISS PBL13 END 27.453
HIERARCH ESO ISS PBLA13 START 70.8
HIERARCH ESO ISS PBLA13 END 71.0
HIERARCH ESO ISS PBL14 START 22.176
HIERARCH ESO ISS PBL14 END 22.249
HIERARCH ESO ISS PBLA14 START 114.443
HIERARCH ESO ISS PBLA14 END 114.323
HIERARCH ESO ISS PBL23 START 28.337
HIERARCH ESO ISS PBL23 END 28.439
HIERARCH ESO ISS PBLA23 START 16.8
HIERARCH ESO ISS PBLA23 END 17.4
HIERARCH ESO ISS PBL24 START 9.44
HIERARCH ESO ISS PBL24 END 9.474
HIERARCH ESO ISS PBLA24 START 16.732
HIERARCH ESO ISS PBLA24 END 17.367
HIERARCH ESO ISS PBL34 START 18.896
HIERARCH ESO ISS PBL34 END 18.964
HIERARCH ESO ISS PBLA34 START 196.806
HIERARCH ESO ISS PBLA34 END 197.441
HIERARCH ESO ISS AMBI TAU0 START 0.008401
HIERARCH ESO ISS AMBI TAU0 END 0.007177
HIERARCH ESO ISS AMBI TEMP 12.85
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.4