Exposure
ID
GRAVI.2023-12-16T08:02:14.301_1
Header ID
GRAVI.2023-12-16T08:02:14.301
Date updated
2023-12-16 08:16:02 UTC+0000
Release date
2024-12-16 08:16:02 UTC+0000
UTC Start
2023-12-16 08:02:14.301
UTC End
2023-12-16 08:08:14.301
MJD Start
60294.33488774
MJD End
60294.3390544067
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0025075
Ambient temperature (°C)
14.28
Seeing (arcsec)
1.765
Observation
ID
57977
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
42928
Name
WR_9
RA
116.457295
DEC
-34.33012
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 89.4900 89.2280 126.3000 127.3000
A0-J2 125.1980 124.4590 103.4000 104.3000
A0-K0 121.9150 121.0090 80.9380 81.7650
G1-J2 55.2080 54.8160 64.2000 64.9000
G1-K0 86.8470 86.5160 33.7750 34.3430
J2-K0 48.1600 48.1640 358.3180 359.0240
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 60294.33488774
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_9
HIERARCH ESO INS SOBJ NAME WR_9
RA 116.457295
DEC -34.33012
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 89.49
HIERARCH ESO ISS PBL12 END 89.228
HIERARCH ESO ISS PBLA12 START 126.3
HIERARCH ESO ISS PBLA12 END 127.3
HIERARCH ESO ISS PBL13 START 125.198
HIERARCH ESO ISS PBL13 END 124.459
HIERARCH ESO ISS PBLA13 START 103.4
HIERARCH ESO ISS PBLA13 END 104.3
HIERARCH ESO ISS PBL14 START 121.915
HIERARCH ESO ISS PBL14 END 121.009
HIERARCH ESO ISS PBLA14 START 80.938
HIERARCH ESO ISS PBLA14 END 81.765
HIERARCH ESO ISS PBL23 START 55.208
HIERARCH ESO ISS PBL23 END 54.816
HIERARCH ESO ISS PBLA23 START 64.2
HIERARCH ESO ISS PBLA23 END 64.9
HIERARCH ESO ISS PBL24 START 86.847
HIERARCH ESO ISS PBL24 END 86.516
HIERARCH ESO ISS PBLA24 START 33.775
HIERARCH ESO ISS PBLA24 END 34.343
HIERARCH ESO ISS PBL34 START 48.16
HIERARCH ESO ISS PBL34 END 48.164
HIERARCH ESO ISS PBLA34 START 358.318
HIERARCH ESO ISS PBLA34 END 359.024
HIERARCH ESO ISS AMBI TAU0 START 0.002394
HIERARCH ESO ISS AMBI TAU0 END 0.002621
HIERARCH ESO ISS AMBI TEMP 14.28
HIERARCH ESO ISS AMBI FWHM START 1.71
HIERARCH ESO ISS AMBI FWHM END 1.82