Exposure
ID
GRAVI.2023-08-22T23:44:53.069_1
Header ID
GRAVI.2023-08-22T23:44:53.069
Date updated
2023-08-23 00:01:05 UTC+0000
Release date
2024-08-23 00:01:05 UTC+0000
UTC Start
2023-08-22 23:44:53.069
UTC End
2023-08-22 23:50:53.069
MJD Start
60178.98950311
MJD End
60178.99366977667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006236500000000001
Ambient temperature (°C)
14.45
Seeing (arcsec)
0.765
Observation
ID
56720
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
42023
Name
WR_98
RA
264.304592
DEC
-33.46557
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 89.1700 89.4800 111.7000 112.5000
A0-J2 128.2780 128.6050 88.4000 89.3000
A0-K0 127.7760 127.9010 66.8820 67.7760
G1-J2 58.2290 58.2230 51.2000 52.1000
G1-K0 90.1070 90.0290 22.6340 23.3880
J2-K0 47.9090 47.9500 347.0780 347.7250
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 60178.98950311
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_98
HIERARCH ESO INS SOBJ NAME WR_98
RA 264.304592
DEC -33.46557
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 89.17
HIERARCH ESO ISS PBL12 END 89.48
HIERARCH ESO ISS PBLA12 START 111.7
HIERARCH ESO ISS PBLA12 END 112.5
HIERARCH ESO ISS PBL13 START 128.278
HIERARCH ESO ISS PBL13 END 128.605
HIERARCH ESO ISS PBLA13 START 88.4
HIERARCH ESO ISS PBLA13 END 89.3
HIERARCH ESO ISS PBL14 START 127.776
HIERARCH ESO ISS PBL14 END 127.901
HIERARCH ESO ISS PBLA14 START 66.882
HIERARCH ESO ISS PBLA14 END 67.776
HIERARCH ESO ISS PBL23 START 58.229
HIERARCH ESO ISS PBL23 END 58.223
HIERARCH ESO ISS PBLA23 START 51.2
HIERARCH ESO ISS PBLA23 END 52.1
HIERARCH ESO ISS PBL24 START 90.107
HIERARCH ESO ISS PBL24 END 90.029
HIERARCH ESO ISS PBLA24 START 22.634
HIERARCH ESO ISS PBLA24 END 23.388
HIERARCH ESO ISS PBL34 START 47.909
HIERARCH ESO ISS PBL34 END 47.95
HIERARCH ESO ISS PBLA34 START 347.078
HIERARCH ESO ISS PBLA34 END 347.725
HIERARCH ESO ISS AMBI TAU0 START 0.006341
HIERARCH ESO ISS AMBI TAU0 END 0.006132
HIERARCH ESO ISS AMBI TEMP 14.45
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.77