Exposure
ID
GRAVI.2021-08-30T02:43:49.296_1
Header ID
GRAVI.2021-08-30T02:43:49.296
Date updated
2021-08-30 02:56:25 UTC+0000
Release date
2021-08-30 02:43:49 UTC+0000
UTC Start
2021-08-30 02:43:49.296
UTC End
2021-08-30 02:48:49.296
MJD Start
59456.113765
MJD End
59456.1172372222
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.0021385
Ambient temperature (°C)
11.57
Seeing (arcsec)
1.01
Observation
ID
48023
Category
calibrator
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
36038
Name
14Sgr
RA
273.563769
DEC
-21.71325
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 24.0550 24.0010 161.2000 162.1000
A0-D0 27.4790 27.1240 82.4000 82.8000
A0-C1 19.9410 19.7760 134.4540 135.4180
B2-D0 32.8340 32.7220 36.4000 36.6000
B2-C1 10.9380 10.9010 36.3760 36.6020
D0-C1 21.8960 21.8210 216.4330 216.6580
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 0103.D-0245(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59456.113765
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME 14Sgr
HIERARCH ESO INS SOBJ NAME 14Sgr
RA 273.563769
DEC -21.71325
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 316.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 10
HIERARCH ESO ISS PBL12 START 24.055
HIERARCH ESO ISS PBL12 END 24.001
HIERARCH ESO ISS PBLA12 START 161.2
HIERARCH ESO ISS PBLA12 END 162.1
HIERARCH ESO ISS PBL13 START 27.479
HIERARCH ESO ISS PBL13 END 27.124
HIERARCH ESO ISS PBLA13 START 82.4
HIERARCH ESO ISS PBLA13 END 82.8
HIERARCH ESO ISS PBL14 START 19.941
HIERARCH ESO ISS PBL14 END 19.776
HIERARCH ESO ISS PBLA14 START 134.454
HIERARCH ESO ISS PBLA14 END 135.418
HIERARCH ESO ISS PBL23 START 32.834
HIERARCH ESO ISS PBL23 END 32.722
HIERARCH ESO ISS PBLA23 START 36.4
HIERARCH ESO ISS PBLA23 END 36.6
HIERARCH ESO ISS PBL24 START 10.938
HIERARCH ESO ISS PBL24 END 10.901
HIERARCH ESO ISS PBLA24 START 36.376
HIERARCH ESO ISS PBLA24 END 36.602
HIERARCH ESO ISS PBL34 START 21.896
HIERARCH ESO ISS PBL34 END 21.821
HIERARCH ESO ISS PBLA34 START 216.433
HIERARCH ESO ISS PBLA34 END 216.658
HIERARCH ESO ISS AMBI TAU0 START 0.001685
HIERARCH ESO ISS AMBI TAU0 END 0.002592
HIERARCH ESO ISS AMBI TEMP 11.57
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 1.06