Exposure
ID
GRAVI.2023-05-22T00:17:40.965_1
Header ID
GRAVI.2023-05-22T00:17:40.965
Date updated
2023-05-22 00:30:40 UTC+0000
Release date
2024-05-22 00:30:40 UTC+0000
UTC Start
2023-05-22 00:17:40.965
UTC End
2023-05-22 00:23:40.965
MJD Start
60086.01227969
MJD End
60086.0164463567
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004021
Ambient temperature (°C)
13.14
Seeing (arcsec)
0.495
Observation
ID
55524
Category
science
Program ID
111.24JN.002
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
41125
Name
WR_9
RA
116.457295
DEC
-34.33013
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 79.5230 79.1510 157.2000 158.8000
A0-J2 95.5920 94.1780 134.1000 135.9000
A0-K0 83.4930 81.3360 104.2420 105.5360
G1-J2 38.4210 37.4290 79.8000 80.5000
G1-K0 72.7680 71.9130 43.5230 43.7080
J2-K0 47.6050 47.5440 14.9610 15.5870
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60086.01227969
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_9
HIERARCH ESO INS SOBJ NAME WR_9
RA 116.457295
DEC -34.33013
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 79.523
HIERARCH ESO ISS PBL12 END 79.151
HIERARCH ESO ISS PBLA12 START 157.2
HIERARCH ESO ISS PBLA12 END 158.8
HIERARCH ESO ISS PBL13 START 95.592
HIERARCH ESO ISS PBL13 END 94.178
HIERARCH ESO ISS PBLA13 START 134.1
HIERARCH ESO ISS PBLA13 END 135.9
HIERARCH ESO ISS PBL14 START 83.493
HIERARCH ESO ISS PBL14 END 81.336
HIERARCH ESO ISS PBLA14 START 104.242
HIERARCH ESO ISS PBLA14 END 105.536
HIERARCH ESO ISS PBL23 START 38.421
HIERARCH ESO ISS PBL23 END 37.429
HIERARCH ESO ISS PBLA23 START 79.8
HIERARCH ESO ISS PBLA23 END 80.5
HIERARCH ESO ISS PBL24 START 72.768
HIERARCH ESO ISS PBL24 END 71.913
HIERARCH ESO ISS PBLA24 START 43.523
HIERARCH ESO ISS PBLA24 END 43.708
HIERARCH ESO ISS PBL34 START 47.605
HIERARCH ESO ISS PBL34 END 47.544
HIERARCH ESO ISS PBLA34 START 14.961
HIERARCH ESO ISS PBLA34 END 15.587
HIERARCH ESO ISS AMBI TAU0 START 0.00376
HIERARCH ESO ISS AMBI TAU0 END 0.004282
HIERARCH ESO ISS AMBI TEMP 13.14
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.45