Exposure
ID
GRAVI.2023-07-21T04:32:08.986_1
Header ID
GRAVI.2023-07-21T04:32:08.986
Date updated
2023-07-21 04:50:23 UTC+0000
Release date
2024-07-21 04:50:23 UTC+0000
UTC Start
2023-07-21 04:32:08.986
UTC End
2023-07-21 04:38:48.986
MJD Start
60146.18899289
MJD End
60146.193622519626
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0066365
Ambient temperature (°C)
16.77
Seeing (arcsec)
0.385
Observation
ID
56327
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
41732
Name
WR_97
RA
264.220744
DEC
-34.04356
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 86.4280 85.9480 135.6000 136.9000
A0-J2 117.0280 115.7260 112.1000 113.3000
A0-K0 112.1500 110.5660 87.9620 88.9130
G1-J2 51.0750 50.4000 69.8000 70.5000
G1-K0 83.5280 82.9750 38.1310 38.6240
J2-K0 48.1680 48.1540 4.3520 5.1200
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 60146.18899289
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_97
HIERARCH ESO INS SOBJ NAME WR_97
RA 264.220744
DEC -34.04356
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 86.428
HIERARCH ESO ISS PBL12 END 85.948
HIERARCH ESO ISS PBLA12 START 135.6
HIERARCH ESO ISS PBLA12 END 136.9
HIERARCH ESO ISS PBL13 START 117.028
HIERARCH ESO ISS PBL13 END 115.726
HIERARCH ESO ISS PBLA13 START 112.1
HIERARCH ESO ISS PBLA13 END 113.3
HIERARCH ESO ISS PBL14 START 112.15
HIERARCH ESO ISS PBL14 END 110.566
HIERARCH ESO ISS PBLA14 START 87.962
HIERARCH ESO ISS PBLA14 END 88.913
HIERARCH ESO ISS PBL23 START 51.075
HIERARCH ESO ISS PBL23 END 50.4
HIERARCH ESO ISS PBLA23 START 69.8
HIERARCH ESO ISS PBLA23 END 70.5
HIERARCH ESO ISS PBL24 START 83.528
HIERARCH ESO ISS PBL24 END 82.975
HIERARCH ESO ISS PBLA24 START 38.131
HIERARCH ESO ISS PBLA24 END 38.624
HIERARCH ESO ISS PBL34 START 48.168
HIERARCH ESO ISS PBL34 END 48.154
HIERARCH ESO ISS PBLA34 START 4.352
HIERARCH ESO ISS PBLA34 END 5.12
HIERARCH ESO ISS AMBI TAU0 START 0.006766
HIERARCH ESO ISS AMBI TAU0 END 0.006507
HIERARCH ESO ISS AMBI TEMP 16.77
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.41