Exposure
ID
GRAVI.2023-07-21T01:31:27.775_1
Header ID
GRAVI.2023-07-21T01:31:27.775
Date updated
2023-07-21 01:45:30 UTC+0000
Release date
2024-07-21 01:45:30 UTC+0000
UTC Start
2023-07-21 01:31:27.775
UTC End
2023-07-21 01:38:07.775
MJD Start
60146.06351591
MJD End
60146.068145539626
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0072345
Ambient temperature (°C)
17.23
Seeing (arcsec)
0.395
Observation
ID
56322
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
41728
Name
WR_66
RA
228.736019
DEC
-59.84175
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 90.1190 90.2100 129.7000 131.1000
A0-J2 127.6370 127.3380 111.4000 112.9000
A0-K0 118.9560 118.2250 92.8970 94.4260
G1-J2 50.6940 50.2610 77.5000 78.9000
G1-K0 71.3940 70.7980 43.8250 44.8410
J2-K0 40.5090 40.5060 359.9320 0.8580
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 60146.06351591
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_66
HIERARCH ESO INS SOBJ NAME WR_66
RA 228.736019
DEC -59.84175
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 90.119
HIERARCH ESO ISS PBL12 END 90.21
HIERARCH ESO ISS PBLA12 START 129.7
HIERARCH ESO ISS PBLA12 END 131.1
HIERARCH ESO ISS PBL13 START 127.637
HIERARCH ESO ISS PBL13 END 127.338
HIERARCH ESO ISS PBLA13 START 111.4
HIERARCH ESO ISS PBLA13 END 112.9
HIERARCH ESO ISS PBL14 START 118.956
HIERARCH ESO ISS PBL14 END 118.225
HIERARCH ESO ISS PBLA14 START 92.897
HIERARCH ESO ISS PBLA14 END 94.426
HIERARCH ESO ISS PBL23 START 50.694
HIERARCH ESO ISS PBL23 END 50.261
HIERARCH ESO ISS PBLA23 START 77.5
HIERARCH ESO ISS PBLA23 END 78.9
HIERARCH ESO ISS PBL24 START 71.394
HIERARCH ESO ISS PBL24 END 70.798
HIERARCH ESO ISS PBLA24 START 43.825
HIERARCH ESO ISS PBLA24 END 44.841
HIERARCH ESO ISS PBL34 START 40.509
HIERARCH ESO ISS PBL34 END 40.506
HIERARCH ESO ISS PBLA34 START 359.932
HIERARCH ESO ISS PBLA34 END 0.858
HIERARCH ESO ISS AMBI TAU0 START 0.007068
HIERARCH ESO ISS AMBI TAU0 END 0.007401
HIERARCH ESO ISS AMBI TEMP 17.23
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.37