Exposure
ID
GRAVI.2023-05-25T03:04:38.164_1
Header ID
GRAVI.2023-05-25T03:04:38.164
Date updated
2023-05-25 03:17:46 UTC+0000
Release date
2024-05-25 03:17:46 UTC+0000
UTC Start
2023-05-25 03:04:38.164
UTC End
2023-05-25 03:10:38.164
MJD Start
60089.12821949
MJD End
60089.1323861567
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003731
Ambient temperature (°C)
10.96
Seeing (arcsec)
0.545
Observation
ID
55584
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
41157
Name
WR_47
RA
190.957524
DEC
-63.08745
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 90.0600 90.1360 133.7000 135.1000
A0-J2 127.3130 127.0610 116.5000 118.0000
A0-K0 117.1780 116.5400 98.8200 100.2800
G1-J2 49.1620 48.7740 83.6000 85.0000
G1-K0 67.3190 66.7480 48.8750 49.8640
J2-K0 38.8690 38.8490 2.7320 3.6070
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 60089.12821949
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_47
HIERARCH ESO INS SOBJ NAME WR_47
RA 190.957524
DEC -63.08745
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 90.06
HIERARCH ESO ISS PBL12 END 90.136
HIERARCH ESO ISS PBLA12 START 133.7
HIERARCH ESO ISS PBLA12 END 135.1
HIERARCH ESO ISS PBL13 START 127.313
HIERARCH ESO ISS PBL13 END 127.061
HIERARCH ESO ISS PBLA13 START 116.5
HIERARCH ESO ISS PBLA13 END 118.0
HIERARCH ESO ISS PBL14 START 117.178
HIERARCH ESO ISS PBL14 END 116.54
HIERARCH ESO ISS PBLA14 START 98.82
HIERARCH ESO ISS PBLA14 END 100.28
HIERARCH ESO ISS PBL23 START 49.162
HIERARCH ESO ISS PBL23 END 48.774
HIERARCH ESO ISS PBLA23 START 83.6
HIERARCH ESO ISS PBLA23 END 85.0
HIERARCH ESO ISS PBL24 START 67.319
HIERARCH ESO ISS PBL24 END 66.748
HIERARCH ESO ISS PBLA24 START 48.875
HIERARCH ESO ISS PBLA24 END 49.864
HIERARCH ESO ISS PBL34 START 38.869
HIERARCH ESO ISS PBL34 END 38.849
HIERARCH ESO ISS PBLA34 START 2.732
HIERARCH ESO ISS PBLA34 END 3.607
HIERARCH ESO ISS AMBI TAU0 START 0.003962
HIERARCH ESO ISS AMBI TAU0 END 0.0035
HIERARCH ESO ISS AMBI TEMP 10.96
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.55