Exposure
ID
GRAVI.2023-05-24T23:48:11.040_1
Header ID
GRAVI.2023-05-24T23:48:11.040
Date updated
2023-05-25 00:00:46 UTC+0000
Release date
2024-05-25 00:00:46 UTC+0000
UTC Start
2023-05-24 23:48:11.040
UTC End
2023-05-24 23:54:11.040
MJD Start
60088.99179445
MJD End
60088.9959611167
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0032525
Ambient temperature (°C)
12.2
Seeing (arcsec)
0.73
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 88.7980 88.5900 142.2000 143.5000
A0-J2 118.3600 117.5070 121.7000 123.1000
A0-K0 107.8510 106.5330 99.0550 100.3120
G1-J2 46.9920 46.3350 80.2000 81.2000
G1-K0 74.4690 73.7710 44.4070 45.0000
J2-K0 45.5790 45.5350 7.3130 8.0430
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 60088.99179445
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 88.798
HIERARCH ESO ISS PBL12 END 88.59
HIERARCH ESO ISS PBLA12 START 142.2
HIERARCH ESO ISS PBLA12 END 143.5
HIERARCH ESO ISS PBL13 START 118.36
HIERARCH ESO ISS PBL13 END 117.507
HIERARCH ESO ISS PBLA13 START 121.7
HIERARCH ESO ISS PBLA13 END 123.1
HIERARCH ESO ISS PBL14 START 107.851
HIERARCH ESO ISS PBL14 END 106.533
HIERARCH ESO ISS PBLA14 START 99.055
HIERARCH ESO ISS PBLA14 END 100.312
HIERARCH ESO ISS PBL23 START 46.992
HIERARCH ESO ISS PBL23 END 46.335
HIERARCH ESO ISS PBLA23 START 80.2
HIERARCH ESO ISS PBLA23 END 81.2
HIERARCH ESO ISS PBL24 START 74.469
HIERARCH ESO ISS PBL24 END 73.771
HIERARCH ESO ISS PBLA24 START 44.407
HIERARCH ESO ISS PBLA24 END 45.0
HIERARCH ESO ISS PBL34 START 45.579
HIERARCH ESO ISS PBL34 END 45.535
HIERARCH ESO ISS PBLA34 START 7.313
HIERARCH ESO ISS PBLA34 END 8.043
HIERARCH ESO ISS AMBI TAU0 START 0.003334
HIERARCH ESO ISS AMBI TAU0 END 0.003171
HIERARCH ESO ISS AMBI TEMP 12.2
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.85