Exposure
ID
GRAVI.2022-08-21T03:02:34.437_1
Header ID
GRAVI.2022-08-21T03:02:34.437
Date updated
2022-08-21 03:15:36 UTC+0000
Release date
2023-08-21 03:15:36 UTC+0000
UTC Start
2022-08-21 03:02:34.437
UTC End
2022-08-21 03:05:46.437
MJD Start
59812.12678747
MJD End
59812.1290096922
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004032
Ambient temperature (°C)
11.5
Seeing (arcsec)
0.79
Observation
ID
50723
Category
science
Program ID
105.207Y.004
Program Title
CONSTRAINING EFFECTS OF CONVECTION AND PULSATION: PRECISION MONITORING OF COOL EVOLVED STARS
Program Type
Monitoring
PI / COI
WITTKOWSKI/ BLADH/ CHIAVASSA/ ERIKSSON/ FREYTAG/ HÖFNER/ KRAVCHENKO/ PALADINI/ RAU
Target
ID
37838
Name
VX_Sgr
RA
272.014484
DEC
-22.2241
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 24.2370 24.1990 159.4000 160.0000
A0-D0 28.1860 27.9590 81.8000 82.1000
A0-C1 20.3510 20.2420 132.6370 133.2720
B2-D0 33.0000 32.9300 36.0000 36.1000
B2-C1 10.9930 10.9700 35.9160 36.0970
D0-C1 22.0070 21.9600 215.9740 216.1540
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.207Y.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59812.12678747
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME VX_Sgr
HIERARCH ESO INS SOBJ NAME VX_Sgr
RA 272.014484
DEC -22.2241
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 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 24.237
HIERARCH ESO ISS PBL12 END 24.199
HIERARCH ESO ISS PBLA12 START 159.4
HIERARCH ESO ISS PBLA12 END 160.0
HIERARCH ESO ISS PBL13 START 28.186
HIERARCH ESO ISS PBL13 END 27.959
HIERARCH ESO ISS PBLA13 START 81.8
HIERARCH ESO ISS PBLA13 END 82.1
HIERARCH ESO ISS PBL14 START 20.351
HIERARCH ESO ISS PBL14 END 20.242
HIERARCH ESO ISS PBLA14 START 132.637
HIERARCH ESO ISS PBLA14 END 133.272
HIERARCH ESO ISS PBL23 START 33.0
HIERARCH ESO ISS PBL23 END 32.93
HIERARCH ESO ISS PBLA23 START 36.0
HIERARCH ESO ISS PBLA23 END 36.1
HIERARCH ESO ISS PBL24 START 10.993
HIERARCH ESO ISS PBL24 END 10.97
HIERARCH ESO ISS PBLA24 START 35.916
HIERARCH ESO ISS PBLA24 END 36.097
HIERARCH ESO ISS PBL34 START 22.007
HIERARCH ESO ISS PBL34 END 21.96
HIERARCH ESO ISS PBLA34 START 215.974
HIERARCH ESO ISS PBLA34 END 216.154
HIERARCH ESO ISS AMBI TAU0 START 0.004203
HIERARCH ESO ISS AMBI TAU0 END 0.003861
HIERARCH ESO ISS AMBI TEMP 11.5
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.87