Exposure
ID
GRAVI.2023-07-21T01:16:30.736_1
Header ID
GRAVI.2023-07-21T01:16:30.736
Date updated
2023-07-21 01:35:25 UTC+0000
Release date
2024-07-21 01:35:25 UTC+0000
UTC Start
2023-07-21 01:16:30.736
UTC End
2023-07-21 01:23:10.736
MJD Start
60146.05313352
MJD End
60146.05776314963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0072245
Ambient temperature (°C)
17.34
Seeing (arcsec)
0.475
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 89.8730 89.9960 126.5000 128.0000
A0-J2 128.2010 127.9520 108.0000 109.6000
A0-K0 120.4380 119.7650 89.6390 91.1480
G1-J2 51.5790 51.1750 74.5000 75.9000
G1-K0 72.6120 72.0570 41.6320 42.6530
J2-K0 40.4930 40.5040 357.9390 358.8650
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 60146.05313352
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 89.873
HIERARCH ESO ISS PBL12 END 89.996
HIERARCH ESO ISS PBLA12 START 126.5
HIERARCH ESO ISS PBLA12 END 128.0
HIERARCH ESO ISS PBL13 START 128.201
HIERARCH ESO ISS PBL13 END 127.952
HIERARCH ESO ISS PBLA13 START 108.0
HIERARCH ESO ISS PBLA13 END 109.6
HIERARCH ESO ISS PBL14 START 120.438
HIERARCH ESO ISS PBL14 END 119.765
HIERARCH ESO ISS PBLA14 START 89.639
HIERARCH ESO ISS PBLA14 END 91.148
HIERARCH ESO ISS PBL23 START 51.579
HIERARCH ESO ISS PBL23 END 51.175
HIERARCH ESO ISS PBLA23 START 74.5
HIERARCH ESO ISS PBLA23 END 75.9
HIERARCH ESO ISS PBL24 START 72.612
HIERARCH ESO ISS PBL24 END 72.057
HIERARCH ESO ISS PBLA24 START 41.632
HIERARCH ESO ISS PBLA24 END 42.653
HIERARCH ESO ISS PBL34 START 40.493
HIERARCH ESO ISS PBL34 END 40.504
HIERARCH ESO ISS PBLA34 START 357.939
HIERARCH ESO ISS PBLA34 END 358.865
HIERARCH ESO ISS AMBI TAU0 START 0.0081
HIERARCH ESO ISS AMBI TAU0 END 0.006349
HIERARCH ESO ISS AMBI TEMP 17.34
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.49