Exposure
ID
GRAVI.2023-08-21T03:57:36.962_1
Header ID
GRAVI.2023-08-21T03:57:36.962
Date updated
2023-08-21 04:10:36 UTC+0000
Release date
2024-08-21 04:10:36 UTC+0000
UTC Start
2023-08-21 03:57:36.962
UTC End
2023-08-21 04:03:36.962
MJD Start
60177.16501114
MJD End
60177.16917780667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.005735499999999999
Ambient temperature (°C)
13.67
Seeing (arcsec)
0.945
Observation
ID
56679
Category
science
Program ID
111.24JN.001
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
41996
Name
WR_111
RA
272.116235
DEC
-21.25311
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 74.0990 73.2960 142.7000 144.1000
A0-J2 96.6600 94.6380 114.2000 115.3000
A0-K0 97.2360 95.0810 85.1470 85.6150
G1-J2 47.4070 46.6030 65.9000 66.0000
G1-K0 84.9200 84.4190 37.7340 37.8680
J2-K0 48.5810 48.5930 10.3120 10.9560
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60177.16501114
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_111
HIERARCH ESO INS SOBJ NAME WR_111
RA 272.116235
DEC -21.25311
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 74.099
HIERARCH ESO ISS PBL12 END 73.296
HIERARCH ESO ISS PBLA12 START 142.7
HIERARCH ESO ISS PBLA12 END 144.1
HIERARCH ESO ISS PBL13 START 96.66
HIERARCH ESO ISS PBL13 END 94.638
HIERARCH ESO ISS PBLA13 START 114.2
HIERARCH ESO ISS PBLA13 END 115.3
HIERARCH ESO ISS PBL14 START 97.236
HIERARCH ESO ISS PBL14 END 95.081
HIERARCH ESO ISS PBLA14 START 85.147
HIERARCH ESO ISS PBLA14 END 85.615
HIERARCH ESO ISS PBL23 START 47.407
HIERARCH ESO ISS PBL23 END 46.603
HIERARCH ESO ISS PBLA23 START 65.9
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 84.92
HIERARCH ESO ISS PBL24 END 84.419
HIERARCH ESO ISS PBLA24 START 37.734
HIERARCH ESO ISS PBLA24 END 37.868
HIERARCH ESO ISS PBL34 START 48.581
HIERARCH ESO ISS PBL34 END 48.593
HIERARCH ESO ISS PBLA34 START 10.312
HIERARCH ESO ISS PBLA34 END 10.956
HIERARCH ESO ISS AMBI TAU0 START 0.006251
HIERARCH ESO ISS AMBI TAU0 END 0.00522
HIERARCH ESO ISS AMBI TEMP 13.67
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.94