Exposure
ID
GRAVI.2022-05-16T02:36:36.426_1
Header ID
GRAVI.2022-05-16T02:36:36.426
Date updated
2022-05-16 02:55:53 UTC+0000
Release date
2023-05-16 02:55:53 UTC+0000
UTC Start
2022-05-16 02:36:36.426
UTC End
2022-05-16 02:42:36.426
MJD Start
59715.10875493
MJD End
59715.1129215967
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00367
Ambient temperature (°C)
10.76
Seeing (arcsec)
0.72
Observation
ID
50905
Category
science
Program ID
109.23CN.001
Program Title
HOW FAST DO SINGLE WOLF-RAYET STARS ROTATE? A SPECTRO-INTERFEROMETRIC SURVEY.
Program Type
Normal
PI / COI
WAISBERG
Target
ID
37959
Name
WR78
RA
253.078691
DEC
-41.85453
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 64.6740 65.9500 82.6000 83.8000
A0-J2 103.6530 104.9260 53.6000 55.2000
A0-J3 131.2980 131.3810 13.3530 14.5540
G1-J2 56.5530 56.6510 20.0000 21.3000
G1-J3 124.1190 124.3700 344.1970 344.8340
J2-J3 84.9430 85.7020 321.2890 321.7020
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 109.23CN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59715.10875493
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 151932
HIERARCH ESO INS SOBJ NAME WR78
RA 253.078691
DEC -41.85453
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 64.674
HIERARCH ESO ISS PBL12 END 65.95
HIERARCH ESO ISS PBLA12 START 82.6
HIERARCH ESO ISS PBLA12 END 83.8
HIERARCH ESO ISS PBL13 START 103.653
HIERARCH ESO ISS PBL13 END 104.926
HIERARCH ESO ISS PBLA13 START 53.6
HIERARCH ESO ISS PBLA13 END 55.2
HIERARCH ESO ISS PBL14 START 131.298
HIERARCH ESO ISS PBL14 END 131.381
HIERARCH ESO ISS PBLA14 START 13.353
HIERARCH ESO ISS PBLA14 END 14.554
HIERARCH ESO ISS PBL23 START 56.553
HIERARCH ESO ISS PBL23 END 56.651
HIERARCH ESO ISS PBLA23 START 20.0
HIERARCH ESO ISS PBLA23 END 21.3
HIERARCH ESO ISS PBL24 START 124.119
HIERARCH ESO ISS PBL24 END 124.37
HIERARCH ESO ISS PBLA24 START 344.197
HIERARCH ESO ISS PBLA24 END 344.834
HIERARCH ESO ISS PBL34 START 84.943
HIERARCH ESO ISS PBL34 END 85.702
HIERARCH ESO ISS PBLA34 START 321.289
HIERARCH ESO ISS PBLA34 END 321.702
HIERARCH ESO ISS AMBI TAU0 START 0.003176
HIERARCH ESO ISS AMBI TAU0 END 0.004164
HIERARCH ESO ISS AMBI TEMP 10.76
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.68