Exposure
ID
GRAVI.2023-07-21T00:34:30.630_1
Header ID
GRAVI.2023-07-21T00:34:30.630
Date updated
2023-07-21 00:50:45 UTC+0000
Release date
2024-07-21 00:50:45 UTC+0000
UTC Start
2023-07-21 00:34:30.630
UTC End
2023-07-21 00:41:10.630
MJD Start
60146.02396563
MJD End
60146.028595259624
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.007755
Ambient temperature (°C)
17.44
Seeing (arcsec)
0.415
Observation
ID
56320
Category
science
Program ID
111.24JN.004
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
41726
Name
WR_50
RA
199.499475
DEC
-62.43466
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 90.4430 90.4680 142.4000 143.9000
A0-J2 125.3300 124.9680 125.8000 127.4000
A0-K0 112.7050 111.8910 107.9090 109.5950
G1-J2 46.5610 46.0670 91.9000 93.5000
G1-K0 63.8900 63.1490 54.6050 55.6850
J2-K0 38.9820 38.9200 8.1820 9.1330
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60146.02396563
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_50
HIERARCH ESO INS SOBJ NAME WR_50
RA 199.499475
DEC -62.43466
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 90.443
HIERARCH ESO ISS PBL12 END 90.468
HIERARCH ESO ISS PBLA12 START 142.4
HIERARCH ESO ISS PBLA12 END 143.9
HIERARCH ESO ISS PBL13 START 125.33
HIERARCH ESO ISS PBL13 END 124.968
HIERARCH ESO ISS PBLA13 START 125.8
HIERARCH ESO ISS PBLA13 END 127.4
HIERARCH ESO ISS PBL14 START 112.705
HIERARCH ESO ISS PBL14 END 111.891
HIERARCH ESO ISS PBLA14 START 107.909
HIERARCH ESO ISS PBLA14 END 109.595
HIERARCH ESO ISS PBL23 START 46.561
HIERARCH ESO ISS PBL23 END 46.067
HIERARCH ESO ISS PBLA23 START 91.9
HIERARCH ESO ISS PBLA23 END 93.5
HIERARCH ESO ISS PBL24 START 63.89
HIERARCH ESO ISS PBL24 END 63.149
HIERARCH ESO ISS PBLA24 START 54.605
HIERARCH ESO ISS PBLA24 END 55.685
HIERARCH ESO ISS PBL34 START 38.982
HIERARCH ESO ISS PBL34 END 38.92
HIERARCH ESO ISS PBLA34 START 8.182
HIERARCH ESO ISS PBLA34 END 9.133
HIERARCH ESO ISS AMBI TAU0 START 0.008471
HIERARCH ESO ISS AMBI TAU0 END 0.007039
HIERARCH ESO ISS AMBI TEMP 17.44
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.41