Exposure
ID
GRAVI.2021-08-04T23:21:19.656_1
Header ID
GRAVI.2021-08-04T23:21:19.656
Date updated
2021-08-04 23:31:31 UTC+0000
Release date
2022-08-04 23:31:31 UTC+0000
UTC Start
2021-08-04 23:21:19.656
UTC End
2021-08-04 23:21:31.656
MJD Start
59430.97314417
MJD End
59430.9732830589
Exposure time (s)
12.0
Validation level
1
Tau 0: Coherence time (s)
0.0026375
Ambient temperature (°C)
8.5
Seeing (arcsec)
1.225
Observation
ID
47675
Category
science
Program ID
0103.D-0245(A)
Program Title
UNRAVELING THE ATMOSPHERIC DYNAMICS IN THE RED SUPERGIANT STAR VX SGR WITH THE TOMOGRAPHIC METHOD
Program Type
Normal
PI / COI
KRAVCHENKO/ CHIAVASSA/ WITTKOWSKI/ VAN ECK/ PALADINI/ MILLOUR/ JORISSEN/ LOPEZ/ CRUZAL`EBES
Target
ID
35755
Name
VXSgr
RA
272.014266
DEC
-22.22416
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 23.3460 23.3620 132.4000 132.4000
A0-D0 27.0790 27.1070 50.6000 50.7000
A0-C1 19.0670 19.0930 104.5000 104.5310
B2-D0 33.1370 33.1390 6.4000 6.5000
B2-C1 11.0390 11.0400 6.3490 6.4270
D0-C1 22.0980 22.0990 186.4030 186.4810
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 0103.D-0245(A)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59430.97314417
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME VXSgr
HIERARCH ESO INS SOBJ NAME VXSgr
RA 272.014266
DEC -22.22416
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 36.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 40
HIERARCH ESO ISS PBL12 START 23.346
HIERARCH ESO ISS PBL12 END 23.362
HIERARCH ESO ISS PBLA12 START 132.4
HIERARCH ESO ISS PBLA12 END 132.4
HIERARCH ESO ISS PBL13 START 27.079
HIERARCH ESO ISS PBL13 END 27.107
HIERARCH ESO ISS PBLA13 START 50.6
HIERARCH ESO ISS PBLA13 END 50.7
HIERARCH ESO ISS PBL14 START 19.067
HIERARCH ESO ISS PBL14 END 19.093
HIERARCH ESO ISS PBLA14 START 104.5
HIERARCH ESO ISS PBLA14 END 104.531
HIERARCH ESO ISS PBL23 START 33.137
HIERARCH ESO ISS PBL23 END 33.139
HIERARCH ESO ISS PBLA23 START 6.4
HIERARCH ESO ISS PBLA23 END 6.5
HIERARCH ESO ISS PBL24 START 11.039
HIERARCH ESO ISS PBL24 END 11.04
HIERARCH ESO ISS PBLA24 START 6.349
HIERARCH ESO ISS PBLA24 END 6.427
HIERARCH ESO ISS PBL34 START 22.098
HIERARCH ESO ISS PBL34 END 22.099
HIERARCH ESO ISS PBLA34 START 186.403
HIERARCH ESO ISS PBLA34 END 186.481
HIERARCH ESO ISS AMBI TAU0 START 0.002866
HIERARCH ESO ISS AMBI TAU0 END 0.002409
HIERARCH ESO ISS AMBI TEMP 8.5
HIERARCH ESO ISS AMBI FWHM START 1.06
HIERARCH ESO ISS AMBI FWHM END 1.39