Exposure
ID
GRAVI.2023-05-24T04:48:24.633_1
Header ID
GRAVI.2023-05-24T04:48:24.633
Date updated
2023-05-24 05:05:32 UTC+0000
Release date
2024-05-24 05:05:32 UTC+0000
UTC Start
2023-05-24 04:48:24.633
UTC End
2023-05-24 04:55:04.633
MJD Start
60088.2002851
MJD End
60088.2049147296
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0047905
Ambient temperature (°C)
10.21
Seeing (arcsec)
0.64
Observation
ID
55572
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
41150
Name
WR_52
RA
199.612395
DEC
-58.13713
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 90.3720 90.3280 148.0000 149.5000
A0-J2 122.0090 121.4920 130.9000 132.6000
A0-K0 107.7010 106.6680 111.7030 113.4150
G1-J2 44.4150 43.8090 94.2000 95.8000
G1-K0 63.7800 62.9310 54.8000 55.7520
J2-K0 40.7810 40.6960 11.0600 11.9570
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 60088.2002851
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_52
HIERARCH ESO INS SOBJ NAME WR_52
RA 199.612395
DEC -58.13713
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 90.372
HIERARCH ESO ISS PBL12 END 90.328
HIERARCH ESO ISS PBLA12 START 148.0
HIERARCH ESO ISS PBLA12 END 149.5
HIERARCH ESO ISS PBL13 START 122.009
HIERARCH ESO ISS PBL13 END 121.492
HIERARCH ESO ISS PBLA13 START 130.9
HIERARCH ESO ISS PBLA13 END 132.6
HIERARCH ESO ISS PBL14 START 107.701
HIERARCH ESO ISS PBL14 END 106.668
HIERARCH ESO ISS PBLA14 START 111.703
HIERARCH ESO ISS PBLA14 END 113.415
HIERARCH ESO ISS PBL23 START 44.415
HIERARCH ESO ISS PBL23 END 43.809
HIERARCH ESO ISS PBLA23 START 94.2
HIERARCH ESO ISS PBLA23 END 95.8
HIERARCH ESO ISS PBL24 START 63.78
HIERARCH ESO ISS PBL24 END 62.931
HIERARCH ESO ISS PBLA24 START 54.8
HIERARCH ESO ISS PBLA24 END 55.752
HIERARCH ESO ISS PBL34 START 40.781
HIERARCH ESO ISS PBL34 END 40.696
HIERARCH ESO ISS PBLA34 START 11.06
HIERARCH ESO ISS PBLA34 END 11.957
HIERARCH ESO ISS AMBI TAU0 START 0.004826
HIERARCH ESO ISS AMBI TAU0 END 0.004755
HIERARCH ESO ISS AMBI TEMP 10.21
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.69