Exposure
ID
GRAVI.2023-07-21T00:19:57.593_1
Header ID
GRAVI.2023-07-21T00:19:57.593
Date updated
2023-07-21 00:35:26 UTC+0000
Release date
2024-07-21 00:35:26 UTC+0000
UTC Start
2023-07-21 00:19:57.593
UTC End
2023-07-21 00:26:37.593
MJD Start
60146.01386103
MJD End
60146.018490659626
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0069555
Ambient temperature (°C)
17.48
Seeing (arcsec)
0.42500000000000004
Observation
ID
56320
Category
science
Program ID
111.24JN.004
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
41726
Name
WR_50
RA
199.499475
DEC
-62.43466
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 90.3640 90.4060 139.2000 140.7000
A0-J2 126.0600 125.7170 122.3000 123.9000
A0-K0 114.3690 113.5820 104.4270 106.0800
G1-J2 47.5670 47.0920 88.7000 90.2000
G1-K0 65.3840 64.6810 52.3460 53.4230
J2-K0 39.0890 39.0410 6.1840 7.1380
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60146.01386103
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_50
HIERARCH ESO INS SOBJ NAME WR_50
RA 199.499475
DEC -62.43466
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 90.364
HIERARCH ESO ISS PBL12 END 90.406
HIERARCH ESO ISS PBLA12 START 139.2
HIERARCH ESO ISS PBLA12 END 140.7
HIERARCH ESO ISS PBL13 START 126.06
HIERARCH ESO ISS PBL13 END 125.717
HIERARCH ESO ISS PBLA13 START 122.3
HIERARCH ESO ISS PBLA13 END 123.9
HIERARCH ESO ISS PBL14 START 114.369
HIERARCH ESO ISS PBL14 END 113.582
HIERARCH ESO ISS PBLA14 START 104.427
HIERARCH ESO ISS PBLA14 END 106.08
HIERARCH ESO ISS PBL23 START 47.567
HIERARCH ESO ISS PBL23 END 47.092
HIERARCH ESO ISS PBLA23 START 88.7
HIERARCH ESO ISS PBLA23 END 90.2
HIERARCH ESO ISS PBL24 START 65.384
HIERARCH ESO ISS PBL24 END 64.681
HIERARCH ESO ISS PBLA24 START 52.346
HIERARCH ESO ISS PBLA24 END 53.423
HIERARCH ESO ISS PBL34 START 39.089
HIERARCH ESO ISS PBL34 END 39.041
HIERARCH ESO ISS PBLA34 START 6.184
HIERARCH ESO ISS PBLA34 END 7.138
HIERARCH ESO ISS AMBI TAU0 START 0.0066
HIERARCH ESO ISS AMBI TAU0 END 0.007311
HIERARCH ESO ISS AMBI TEMP 17.48
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.39