Exposure
ID
GRAVI.2022-05-16T02:43:12.443_1
Header ID
GRAVI.2022-05-16T02:43:12.443
Date updated
2022-05-16 03:01:04 UTC+0000
Release date
2023-05-16 03:01:03 UTC+0000
UTC Start
2022-05-16 02:43:12.443
UTC End
2022-05-16 02:49:12.443
MJD Start
59715.11333846
MJD End
59715.1175051267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0044345
Ambient temperature (°C)
10.75
Seeing (arcsec)
0.665
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 66.0030 67.2540 83.8000 85.0000
A0-J2 104.9790 106.2460 55.2000 56.8000
A0-J3 131.3850 131.4720 14.6050 15.7990
G1-J2 56.6560 56.7570 21.4000 22.7000
G1-J3 124.3800 124.6170 344.8610 345.5040
J2-J3 85.7340 86.4720 321.7200 322.1480
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 59715.11333846
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 66.003
HIERARCH ESO ISS PBL12 END 67.254
HIERARCH ESO ISS PBLA12 START 83.8
HIERARCH ESO ISS PBLA12 END 85.0
HIERARCH ESO ISS PBL13 START 104.979
HIERARCH ESO ISS PBL13 END 106.246
HIERARCH ESO ISS PBLA13 START 55.2
HIERARCH ESO ISS PBLA13 END 56.8
HIERARCH ESO ISS PBL14 START 131.385
HIERARCH ESO ISS PBL14 END 131.472
HIERARCH ESO ISS PBLA14 START 14.605
HIERARCH ESO ISS PBLA14 END 15.799
HIERARCH ESO ISS PBL23 START 56.656
HIERARCH ESO ISS PBL23 END 56.757
HIERARCH ESO ISS PBLA23 START 21.4
HIERARCH ESO ISS PBLA23 END 22.7
HIERARCH ESO ISS PBL24 START 124.38
HIERARCH ESO ISS PBL24 END 124.617
HIERARCH ESO ISS PBLA24 START 344.861
HIERARCH ESO ISS PBLA24 END 345.504
HIERARCH ESO ISS PBL34 START 85.734
HIERARCH ESO ISS PBL34 END 86.472
HIERARCH ESO ISS PBLA34 START 321.72
HIERARCH ESO ISS PBLA34 END 322.148
HIERARCH ESO ISS AMBI TAU0 START 0.004164
HIERARCH ESO ISS AMBI TAU0 END 0.004705
HIERARCH ESO ISS AMBI TEMP 10.75
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.65