Exposure
ID
GRAVI.2024-01-23T07:46:42.847_1
Header ID
GRAVI.2024-01-23T07:46:42.847
Date updated
2024-01-23 08:00:40 UTC+0000
Release date
2025-01-23 08:00:40 UTC+0000
UTC Start
2024-01-23 07:46:42.847
UTC End
2024-01-23 07:53:22.847
MJD Start
60332.32410702
MJD End
60332.3287366496
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.013101
Ambient temperature (°C)
15.57
Seeing (arcsec)
0.365
Observation
ID
58268
Category
science
Program ID
111.24JN.003
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
43142
Name
WR_55
RA
203.370622
DEC
-62.31702
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 77.0400 77.6880 80.3000 81.9000
A0-J2 123.3170 123.7790 60.0000 61.7000
A0-K0 127.8670 127.9140 43.9310 45.4850
G1-J2 57.5540 57.4850 32.5000 33.9000
G1-K0 80.0910 79.9910 9.1880 10.3050
J2-K0 35.4990 35.7320 329.2890 330.1790
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60332.32410702
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_55
HIERARCH ESO INS SOBJ NAME WR_55
RA 203.370622
DEC -62.31702
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 77.04
HIERARCH ESO ISS PBL12 END 77.688
HIERARCH ESO ISS PBLA12 START 80.3
HIERARCH ESO ISS PBLA12 END 81.9
HIERARCH ESO ISS PBL13 START 123.317
HIERARCH ESO ISS PBL13 END 123.779
HIERARCH ESO ISS PBLA13 START 60.0
HIERARCH ESO ISS PBLA13 END 61.7
HIERARCH ESO ISS PBL14 START 127.867
HIERARCH ESO ISS PBL14 END 127.914
HIERARCH ESO ISS PBLA14 START 43.931
HIERARCH ESO ISS PBLA14 END 45.485
HIERARCH ESO ISS PBL23 START 57.554
HIERARCH ESO ISS PBL23 END 57.485
HIERARCH ESO ISS PBLA23 START 32.5
HIERARCH ESO ISS PBLA23 END 33.9
HIERARCH ESO ISS PBL24 START 80.091
HIERARCH ESO ISS PBL24 END 79.991
HIERARCH ESO ISS PBLA24 START 9.188
HIERARCH ESO ISS PBLA24 END 10.305
HIERARCH ESO ISS PBL34 START 35.499
HIERARCH ESO ISS PBL34 END 35.732
HIERARCH ESO ISS PBLA34 START 329.289
HIERARCH ESO ISS PBLA34 END 330.179
HIERARCH ESO ISS AMBI TAU0 START 0.013936
HIERARCH ESO ISS AMBI TAU0 END 0.012266
HIERARCH ESO ISS AMBI TEMP 15.57
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.39