Exposure
ID
GRAVI.2023-07-21T02:31:18.926_1
Header ID
GRAVI.2023-07-21T02:31:18.926
Date updated
2023-07-21 02:45:35 UTC+0000
Release date
2024-07-21 02:45:35 UTC+0000
UTC Start
2023-07-21 02:31:18.926
UTC End
2023-07-21 02:37:58.926
MJD Start
60146.10508016
MJD End
60146.10970978963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0046815
Ambient temperature (°C)
16.48
Seeing (arcsec)
0.675
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 90.1090 90.2570 117.6000 118.7000
A0-J2 129.1430 129.0050 95.6000 96.8000
A0-K0 126.4030 125.9480 74.7960 75.9380
G1-J2 56.6690 56.4040 59.1000 60.2000
G1-K0 85.8700 85.5540 29.3580 30.1850
J2-K0 46.2360 46.2800 351.8640 352.6540
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 60146.10508016
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 90.109
HIERARCH ESO ISS PBL12 END 90.257
HIERARCH ESO ISS PBLA12 START 117.6
HIERARCH ESO ISS PBLA12 END 118.7
HIERARCH ESO ISS PBL13 START 129.143
HIERARCH ESO ISS PBL13 END 129.005
HIERARCH ESO ISS PBLA13 START 95.6
HIERARCH ESO ISS PBLA13 END 96.8
HIERARCH ESO ISS PBL14 START 126.403
HIERARCH ESO ISS PBL14 END 125.948
HIERARCH ESO ISS PBLA14 START 74.796
HIERARCH ESO ISS PBLA14 END 75.938
HIERARCH ESO ISS PBL23 START 56.669
HIERARCH ESO ISS PBL23 END 56.404
HIERARCH ESO ISS PBLA23 START 59.1
HIERARCH ESO ISS PBLA23 END 60.2
HIERARCH ESO ISS PBL24 START 85.87
HIERARCH ESO ISS PBL24 END 85.554
HIERARCH ESO ISS PBLA24 START 29.358
HIERARCH ESO ISS PBLA24 END 30.185
HIERARCH ESO ISS PBL34 START 46.236
HIERARCH ESO ISS PBL34 END 46.28
HIERARCH ESO ISS PBLA34 START 351.864
HIERARCH ESO ISS PBLA34 END 352.654
HIERARCH ESO ISS AMBI TAU0 START 0.004532
HIERARCH ESO ISS AMBI TAU0 END 0.004831
HIERARCH ESO ISS AMBI TEMP 16.48
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.8