Exposure
ID
GRAVI.2023-05-24T04:33:09.594_1
Header ID
GRAVI.2023-05-24T04:33:09.594
Date updated
2023-05-24 04:45:59 UTC+0000
Release date
2024-05-24 04:45:59 UTC+0000
UTC Start
2023-05-24 04:33:09.594
UTC End
2023-05-24 04:39:49.594
MJD Start
60088.18969437
MJD End
60088.1943239996
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.003947
Ambient temperature (°C)
10.31
Seeing (arcsec)
0.635
Observation
ID
55572
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
41150
Name
WR_52
RA
199.612395
DEC
-58.13713
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 90.4510 90.4190 144.6000 146.1000
A0-J2 123.1250 122.6200 127.2000 128.9000
A0-K0 109.9220 108.9180 108.0330 109.6910
G1-J2 45.7070 45.1240 90.9000 92.4000
G1-K0 65.5700 64.7670 52.7150 53.6650
J2-K0 40.9430 40.8730 9.0910 9.9880
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 60088.18969437
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_52
HIERARCH ESO INS SOBJ NAME WR_52
RA 199.612395
DEC -58.13713
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 90.451
HIERARCH ESO ISS PBL12 END 90.419
HIERARCH ESO ISS PBLA12 START 144.6
HIERARCH ESO ISS PBLA12 END 146.1
HIERARCH ESO ISS PBL13 START 123.125
HIERARCH ESO ISS PBL13 END 122.62
HIERARCH ESO ISS PBLA13 START 127.2
HIERARCH ESO ISS PBLA13 END 128.9
HIERARCH ESO ISS PBL14 START 109.922
HIERARCH ESO ISS PBL14 END 108.918
HIERARCH ESO ISS PBLA14 START 108.033
HIERARCH ESO ISS PBLA14 END 109.691
HIERARCH ESO ISS PBL23 START 45.707
HIERARCH ESO ISS PBL23 END 45.124
HIERARCH ESO ISS PBLA23 START 90.9
HIERARCH ESO ISS PBLA23 END 92.4
HIERARCH ESO ISS PBL24 START 65.57
HIERARCH ESO ISS PBL24 END 64.767
HIERARCH ESO ISS PBLA24 START 52.715
HIERARCH ESO ISS PBLA24 END 53.665
HIERARCH ESO ISS PBL34 START 40.943
HIERARCH ESO ISS PBL34 END 40.873
HIERARCH ESO ISS PBLA34 START 9.091
HIERARCH ESO ISS PBLA34 END 9.988
HIERARCH ESO ISS AMBI TAU0 START 0.003947
HIERARCH ESO ISS AMBI TAU0 END 0.003947
HIERARCH ESO ISS AMBI TEMP 10.31
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.62