Exposure
ID
GRAVI.2023-07-21T02:16:36.889_1
Header ID
GRAVI.2023-07-21T02:16:36.889
Date updated
2023-07-21 02:30:25 UTC+0000
Release date
2024-07-21 02:30:25 UTC+0000
UTC Start
2023-07-21 02:16:36.889
UTC End
2023-07-21 02:23:16.889
MJD Start
60146.0948714
MJD End
60146.099501029625
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0063315
Ambient temperature (°C)
16.99
Seeing (arcsec)
0.485
Observation
ID
56323
Category
science
Program ID
111.24JN.004
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
41729
Name
WR_92
RA
261.34396
DEC
-43.49207
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 89.6760 89.9010 115.2000 116.3000
A0-J2 129.2310 129.2240 93.1000 94.3000
A0-K0 127.1730 126.8430 72.3610 73.5120
G1-J2 57.1540 56.9380 56.9000 58.0000
G1-K0 86.4830 86.2040 27.5730 28.4210
J2-K0 46.1250 46.1800 350.2020 350.9840
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60146.0948714
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_92
HIERARCH ESO INS SOBJ NAME WR_92
RA 261.34396
DEC -43.49207
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 89.676
HIERARCH ESO ISS PBL12 END 89.901
HIERARCH ESO ISS PBLA12 START 115.2
HIERARCH ESO ISS PBLA12 END 116.3
HIERARCH ESO ISS PBL13 START 129.231
HIERARCH ESO ISS PBL13 END 129.224
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 94.3
HIERARCH ESO ISS PBL14 START 127.173
HIERARCH ESO ISS PBL14 END 126.843
HIERARCH ESO ISS PBLA14 START 72.361
HIERARCH ESO ISS PBLA14 END 73.512
HIERARCH ESO ISS PBL23 START 57.154
HIERARCH ESO ISS PBL23 END 56.938
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 58.0
HIERARCH ESO ISS PBL24 START 86.483
HIERARCH ESO ISS PBL24 END 86.204
HIERARCH ESO ISS PBLA24 START 27.573
HIERARCH ESO ISS PBLA24 END 28.421
HIERARCH ESO ISS PBL34 START 46.125
HIERARCH ESO ISS PBL34 END 46.18
HIERARCH ESO ISS PBLA34 START 350.202
HIERARCH ESO ISS PBLA34 END 350.984
HIERARCH ESO ISS AMBI TAU0 START 0.006243
HIERARCH ESO ISS AMBI TAU0 END 0.00642
HIERARCH ESO ISS AMBI TEMP 16.99
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.52