Exposure
ID
GRAVI.2023-05-25T00:50:50.199_1
Header ID
GRAVI.2023-05-25T00:50:50.199
Date updated
2023-05-25 01:08:03 UTC+0000
Release date
2024-05-25 01:08:03 UTC+0000
UTC Start
2023-05-25 00:50:50.199
UTC End
2023-05-25 00:56:10.199
MJD Start
60089.03530323
MJD End
60089.0390069337
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.003564
Ambient temperature (°C)
11.38
Seeing (arcsec)
0.695
Observation
ID
55580
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
41153
Name
WR_42
RA
167.512354
DEC
-60.97915
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 89.6370 89.7540 125.4000 126.6000
A0-J2 128.4430 128.2720 107.1000 108.4000
A0-K0 120.8580 120.3460 89.0340 90.2750
G1-J2 51.6830 51.3710 74.1000 75.3000
G1-K0 72.1300 71.6910 41.5190 42.3730
J2-K0 39.9170 39.9300 357.2740 358.0400
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 60089.03530323
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_42
HIERARCH ESO INS SOBJ NAME WR_42
RA 167.512354
DEC -60.97915
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 339.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 89.637
HIERARCH ESO ISS PBL12 END 89.754
HIERARCH ESO ISS PBLA12 START 125.4
HIERARCH ESO ISS PBLA12 END 126.6
HIERARCH ESO ISS PBL13 START 128.443
HIERARCH ESO ISS PBL13 END 128.272
HIERARCH ESO ISS PBLA13 START 107.1
HIERARCH ESO ISS PBLA13 END 108.4
HIERARCH ESO ISS PBL14 START 120.858
HIERARCH ESO ISS PBL14 END 120.346
HIERARCH ESO ISS PBLA14 START 89.034
HIERARCH ESO ISS PBLA14 END 90.275
HIERARCH ESO ISS PBL23 START 51.683
HIERARCH ESO ISS PBL23 END 51.371
HIERARCH ESO ISS PBLA23 START 74.1
HIERARCH ESO ISS PBLA23 END 75.3
HIERARCH ESO ISS PBL24 START 72.13
HIERARCH ESO ISS PBL24 END 71.691
HIERARCH ESO ISS PBLA24 START 41.519
HIERARCH ESO ISS PBLA24 END 42.373
HIERARCH ESO ISS PBL34 START 39.917
HIERARCH ESO ISS PBL34 END 39.93
HIERARCH ESO ISS PBLA34 START 357.274
HIERARCH ESO ISS PBLA34 END 358.04
HIERARCH ESO ISS AMBI TAU0 START 0.002758
HIERARCH ESO ISS AMBI TAU0 END 0.00437
HIERARCH ESO ISS AMBI TEMP 11.38
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.62