Exposure
ID
GRAVI.2023-08-24T04:11:29.718_1
Header ID
GRAVI.2023-08-24T04:11:29.718
Date updated
2023-08-24 04:25:24 UTC+0000
Release date
2024-08-24 04:25:24 UTC+0000
UTC Start
2023-08-24 04:11:29.718
UTC End
2023-08-24 04:17:29.718
MJD Start
60180.17464951
MJD End
60180.17881617667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006666
Ambient temperature (°C)
14.8
Seeing (arcsec)
0.375
Observation
ID
56738
Category
science
Program ID
111.24JN.001
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
42040
Name
WR_115
RA
276.372764
DEC
-14.64472
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 67.7310 66.7410 141.4000 142.9000
A0-J2 89.7590 87.4050 109.7000 110.7000
A0-K0 95.4510 93.1800 79.8450 79.9990
G1-J2 48.0130 47.2270 61.8000 61.7000
G1-K0 86.8980 86.4860 36.5500 36.5820
J2-K0 48.0320 48.0730 11.3430 11.9780
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60180.17464951
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_115
HIERARCH ESO INS SOBJ NAME WR_115
RA 276.372764
DEC -14.64472
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 67.731
HIERARCH ESO ISS PBL12 END 66.741
HIERARCH ESO ISS PBLA12 START 141.4
HIERARCH ESO ISS PBLA12 END 142.9
HIERARCH ESO ISS PBL13 START 89.759
HIERARCH ESO ISS PBL13 END 87.405
HIERARCH ESO ISS PBLA13 START 109.7
HIERARCH ESO ISS PBLA13 END 110.7
HIERARCH ESO ISS PBL14 START 95.451
HIERARCH ESO ISS PBL14 END 93.18
HIERARCH ESO ISS PBLA14 START 79.845
HIERARCH ESO ISS PBLA14 END 79.999
HIERARCH ESO ISS PBL23 START 48.013
HIERARCH ESO ISS PBL23 END 47.227
HIERARCH ESO ISS PBLA23 START 61.8
HIERARCH ESO ISS PBLA23 END 61.7
HIERARCH ESO ISS PBL24 START 86.898
HIERARCH ESO ISS PBL24 END 86.486
HIERARCH ESO ISS PBLA24 START 36.55
HIERARCH ESO ISS PBLA24 END 36.582
HIERARCH ESO ISS PBL34 START 48.032
HIERARCH ESO ISS PBL34 END 48.073
HIERARCH ESO ISS PBLA34 START 11.343
HIERARCH ESO ISS PBLA34 END 11.978
HIERARCH ESO ISS AMBI TAU0 START 0.006905
HIERARCH ESO ISS AMBI TAU0 END 0.006427
HIERARCH ESO ISS AMBI TEMP 14.8
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.41