Exposure
ID
GRAVI.2023-05-25T00:02:17.076_1
Header ID
GRAVI.2023-05-25T00:02:17.076
Date updated
2023-05-25 00:15:40 UTC+0000
Release date
2024-05-25 00:15:40 UTC+0000
UTC Start
2023-05-25 00:02:17.076
UTC End
2023-05-25 00:08:17.076
MJD Start
60089.00158653
MJD End
60089.0057531967
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0038875
Ambient temperature (°C)
12.11
Seeing (arcsec)
0.695
Observation
ID
55562
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
41143
Name
WR_12
RA
131.193823
DEC
-45.98204
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 88.3260 88.1090 145.2000 146.5000
A0-J2 116.4310 115.5450 124.9000 126.3000
A0-K0 104.8610 103.4740 101.8970 103.2040
G1-J2 45.4980 44.8000 82.5000 83.5000
G1-K0 72.8810 72.1360 45.7200 46.2890
J2-K0 45.4750 45.4210 8.9440 9.6690
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 60089.00158653
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_12
HIERARCH ESO INS SOBJ NAME WR_12
RA 131.193823
DEC -45.98204
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 88.326
HIERARCH ESO ISS PBL12 END 88.109
HIERARCH ESO ISS PBLA12 START 145.2
HIERARCH ESO ISS PBLA12 END 146.5
HIERARCH ESO ISS PBL13 START 116.431
HIERARCH ESO ISS PBL13 END 115.545
HIERARCH ESO ISS PBLA13 START 124.9
HIERARCH ESO ISS PBLA13 END 126.3
HIERARCH ESO ISS PBL14 START 104.861
HIERARCH ESO ISS PBL14 END 103.474
HIERARCH ESO ISS PBLA14 START 101.897
HIERARCH ESO ISS PBLA14 END 103.204
HIERARCH ESO ISS PBL23 START 45.498
HIERARCH ESO ISS PBL23 END 44.8
HIERARCH ESO ISS PBLA23 START 82.5
HIERARCH ESO ISS PBLA23 END 83.5
HIERARCH ESO ISS PBL24 START 72.881
HIERARCH ESO ISS PBL24 END 72.136
HIERARCH ESO ISS PBLA24 START 45.72
HIERARCH ESO ISS PBLA24 END 46.289
HIERARCH ESO ISS PBL34 START 45.475
HIERARCH ESO ISS PBL34 END 45.421
HIERARCH ESO ISS PBLA34 START 8.944
HIERARCH ESO ISS PBLA34 END 9.669
HIERARCH ESO ISS AMBI TAU0 START 0.003765
HIERARCH ESO ISS AMBI TAU0 END 0.00401
HIERARCH ESO ISS AMBI TEMP 12.11
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.66