Exposure
ID
GRAVI.2023-08-26T03:42:35.510_1
Header ID
GRAVI.2023-08-26T03:42:35.510
Date updated
2023-08-26 03:56:08 UTC+0000
Release date
2024-08-26 03:56:08 UTC+0000
UTC Start
2023-08-26 03:42:35.510
UTC End
2023-08-26 03:48:35.510
MJD Start
60182.15457766
MJD End
60182.15874432667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0054455
Ambient temperature (°C)
14.45
Seeing (arcsec)
0.71
Observation
ID
56772
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
42070
Name
WR_108
RA
271.354807
DEC
-23.00566
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 74.4300 73.6920 145.1000 146.6000
A0-J2 95.3740 93.3960 117.0000 118.2000
A0-K0 94.4310 92.2180 87.3180 87.8760
G1-J2 45.9910 45.1440 67.3000 67.5000
G1-K0 83.4880 82.9300 38.3330 38.4630
J2-K0 48.6420 48.6460 11.0870 11.7230
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 60182.15457766
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_108
HIERARCH ESO INS SOBJ NAME WR_108
RA 271.354807
DEC -23.00566
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 74.43
HIERARCH ESO ISS PBL12 END 73.692
HIERARCH ESO ISS PBLA12 START 145.1
HIERARCH ESO ISS PBLA12 END 146.6
HIERARCH ESO ISS PBL13 START 95.374
HIERARCH ESO ISS PBL13 END 93.396
HIERARCH ESO ISS PBLA13 START 117.0
HIERARCH ESO ISS PBLA13 END 118.2
HIERARCH ESO ISS PBL14 START 94.431
HIERARCH ESO ISS PBL14 END 92.218
HIERARCH ESO ISS PBLA14 START 87.318
HIERARCH ESO ISS PBLA14 END 87.876
HIERARCH ESO ISS PBL23 START 45.991
HIERARCH ESO ISS PBL23 END 45.144
HIERARCH ESO ISS PBLA23 START 67.3
HIERARCH ESO ISS PBLA23 END 67.5
HIERARCH ESO ISS PBL24 START 83.488
HIERARCH ESO ISS PBL24 END 82.93
HIERARCH ESO ISS PBLA24 START 38.333
HIERARCH ESO ISS PBLA24 END 38.463
HIERARCH ESO ISS PBL34 START 48.642
HIERARCH ESO ISS PBL34 END 48.646
HIERARCH ESO ISS PBLA34 START 11.087
HIERARCH ESO ISS PBLA34 END 11.723
HIERARCH ESO ISS AMBI TAU0 START 0.005377
HIERARCH ESO ISS AMBI TAU0 END 0.005514
HIERARCH ESO ISS AMBI TEMP 14.45
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.63