Exposure
ID
GRAVI.2023-07-21T04:17:38.949_1
Header ID
GRAVI.2023-07-21T04:17:38.949
Date updated
2023-07-21 04:35:32 UTC+0000
Release date
2024-07-21 04:35:32 UTC+0000
UTC Start
2023-07-21 04:17:38.949
UTC End
2023-07-21 04:24:18.949
MJD Start
60146.17892302
MJD End
60146.18355264963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.00566
Ambient temperature (°C)
16.83
Seeing (arcsec)
0.39
Observation
ID
56327
Category
science
Program ID
111.24JN.003
Program Title
ELUCIDATING THE EVOLUTIONARY CONNECTIONS BETWEEN NITROGEN- AND CARBON-RICH WOLF-RAYET STARS
Program Type
Normal
PI / COI
SANA/ SHENAR/ BODENSTEINER/ BORDIER/ DSILVA/ FROST/ LANGER/ LE BOUQUIN/ MAHY/ MÉRAND/ PATRICK/ REGGIANI/ TRAMPER/ VILLASEÑOR
Target
ID
41732
Name
WR_97
RA
264.220744
DEC
-34.04356
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.3770 86.9320 132.9000 134.2000
A0-J2 119.5750 118.3830 109.6000 110.8000
A0-K0 115.2260 113.7890 86.0100 86.9420
G1-J2 52.3840 51.7730 68.3000 69.0000
G1-K0 84.5990 84.0990 37.0460 37.5760
J2-K0 48.1900 48.1810 2.7390 3.5140
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60146.17892302
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_97
HIERARCH ESO INS SOBJ NAME WR_97
RA 264.220744
DEC -34.04356
HIERARCH ESO INS SPEC RES MEDIUM
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 K0
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 87.377
HIERARCH ESO ISS PBL12 END 86.932
HIERARCH ESO ISS PBLA12 START 132.9
HIERARCH ESO ISS PBLA12 END 134.2
HIERARCH ESO ISS PBL13 START 119.575
HIERARCH ESO ISS PBL13 END 118.383
HIERARCH ESO ISS PBLA13 START 109.6
HIERARCH ESO ISS PBLA13 END 110.8
HIERARCH ESO ISS PBL14 START 115.226
HIERARCH ESO ISS PBL14 END 113.789
HIERARCH ESO ISS PBLA14 START 86.01
HIERARCH ESO ISS PBLA14 END 86.942
HIERARCH ESO ISS PBL23 START 52.384
HIERARCH ESO ISS PBL23 END 51.773
HIERARCH ESO ISS PBLA23 START 68.3
HIERARCH ESO ISS PBLA23 END 69.0
HIERARCH ESO ISS PBL24 START 84.599
HIERARCH ESO ISS PBL24 END 84.099
HIERARCH ESO ISS PBLA24 START 37.046
HIERARCH ESO ISS PBLA24 END 37.576
HIERARCH ESO ISS PBL34 START 48.19
HIERARCH ESO ISS PBL34 END 48.181
HIERARCH ESO ISS PBLA34 START 2.739
HIERARCH ESO ISS PBLA34 END 3.514
HIERARCH ESO ISS AMBI TAU0 START 0.006293
HIERARCH ESO ISS AMBI TAU0 END 0.005027
HIERARCH ESO ISS AMBI TEMP 16.83
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.42