Exposure
ID
GRAVI.2023-05-25T00:38:47.168_1
Header ID
GRAVI.2023-05-25T00:38:47.168
Date updated
2023-05-25 00:55:59 UTC+0000
Release date
2024-05-25 00:55:59 UTC+0000
UTC Start
2023-05-25 00:38:47.168
UTC End
2023-05-25 00:44:07.168
MJD Start
60089.02693482
MJD End
60089.0306385237
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0038395
Ambient temperature (°C)
11.54
Seeing (arcsec)
0.675
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 89.3540 89.4930 122.9000 124.1000
A0-J2 128.7540 128.6170 104.5000 105.7000
A0-K0 121.8880 121.4130 86.4140 87.6450
G1-J2 52.3200 52.0250 71.7000 72.8000
G1-K0 73.0240 72.6090 39.7020 40.5580
J2-K0 39.8730 39.8960 355.6490 356.4140
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 60089.02693482
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 89.354
HIERARCH ESO ISS PBL12 END 89.493
HIERARCH ESO ISS PBLA12 START 122.9
HIERARCH ESO ISS PBLA12 END 124.1
HIERARCH ESO ISS PBL13 START 128.754
HIERARCH ESO ISS PBL13 END 128.617
HIERARCH ESO ISS PBLA13 START 104.5
HIERARCH ESO ISS PBLA13 END 105.7
HIERARCH ESO ISS PBL14 START 121.888
HIERARCH ESO ISS PBL14 END 121.413
HIERARCH ESO ISS PBLA14 START 86.414
HIERARCH ESO ISS PBLA14 END 87.645
HIERARCH ESO ISS PBL23 START 52.32
HIERARCH ESO ISS PBL23 END 52.025
HIERARCH ESO ISS PBLA23 START 71.7
HIERARCH ESO ISS PBLA23 END 72.8
HIERARCH ESO ISS PBL24 START 73.024
HIERARCH ESO ISS PBL24 END 72.609
HIERARCH ESO ISS PBLA24 START 39.702
HIERARCH ESO ISS PBLA24 END 40.558
HIERARCH ESO ISS PBL34 START 39.873
HIERARCH ESO ISS PBL34 END 39.896
HIERARCH ESO ISS PBLA34 START 355.649
HIERARCH ESO ISS PBLA34 END 356.414
HIERARCH ESO ISS AMBI TAU0 START 0.003739
HIERARCH ESO ISS AMBI TAU0 END 0.00394
HIERARCH ESO ISS AMBI TEMP 11.54
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.7