Exposure
ID
GRAVI.2023-12-17T05:19:00.707_1
Header ID
GRAVI.2023-12-17T05:19:00.707
Date updated
2023-12-17 05:30:50 UTC+0000
Release date
2024-12-17 05:30:50 UTC+0000
UTC Start
2023-12-17 05:19:00.707
UTC End
2023-12-17 05:25:00.707
MJD Start
60295.22153596
MJD End
60295.2257026267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003098
Ambient temperature (°C)
12.88
Seeing (arcsec)
0.505
Observation
ID
57977
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
42928
Name
WR_9
RA
116.457295
DEC
-34.33012
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 84.4450 85.1410 104.7000 105.5000
A0-J2 122.6580 123.5420 80.2000 81.2000
A0-K0 124.6670 125.2070 58.2240 59.2620
G1-J2 57.6580 57.7780 42.8000 43.8000
G1-K0 90.4110 90.3860 15.5940 16.4280
J2-K0 47.2040 47.2870 341.6150 342.1980
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 60295.22153596
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_9
HIERARCH ESO INS SOBJ NAME WR_9
RA 116.457295
DEC -34.33012
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 84.445
HIERARCH ESO ISS PBL12 END 85.141
HIERARCH ESO ISS PBLA12 START 104.7
HIERARCH ESO ISS PBLA12 END 105.5
HIERARCH ESO ISS PBL13 START 122.658
HIERARCH ESO ISS PBL13 END 123.542
HIERARCH ESO ISS PBLA13 START 80.2
HIERARCH ESO ISS PBLA13 END 81.2
HIERARCH ESO ISS PBL14 START 124.667
HIERARCH ESO ISS PBL14 END 125.207
HIERARCH ESO ISS PBLA14 START 58.224
HIERARCH ESO ISS PBLA14 END 59.262
HIERARCH ESO ISS PBL23 START 57.658
HIERARCH ESO ISS PBL23 END 57.778
HIERARCH ESO ISS PBLA23 START 42.8
HIERARCH ESO ISS PBLA23 END 43.8
HIERARCH ESO ISS PBL24 START 90.411
HIERARCH ESO ISS PBL24 END 90.386
HIERARCH ESO ISS PBLA24 START 15.594
HIERARCH ESO ISS PBLA24 END 16.428
HIERARCH ESO ISS PBL34 START 47.204
HIERARCH ESO ISS PBL34 END 47.287
HIERARCH ESO ISS PBLA34 START 341.615
HIERARCH ESO ISS PBLA34 END 342.198
HIERARCH ESO ISS AMBI TAU0 START 0.003037
HIERARCH ESO ISS AMBI TAU0 END 0.003159
HIERARCH ESO ISS AMBI TEMP 12.88
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.48