Exposure
ID
GRAVI.2023-12-16T08:15:47.335_1
Header ID
GRAVI.2023-12-16T08:15:47.335
Date updated
2023-12-16 08:30:54 UTC+0000
Release date
2024-12-16 08:30:54 UTC+0000
UTC Start
2023-12-16 08:15:47.335
UTC End
2023-12-16 08:21:47.335
MJD Start
60294.34429786
MJD End
60294.3484645267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0023535
Ambient temperature (°C)
13.67
Seeing (arcsec)
1.92
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 88.8960 88.5820 128.5000 129.6000
A0-J2 123.5390 122.6800 105.5000 106.5000
A0-K0 119.8880 118.8460 82.7130 83.5450
G1-J2 54.3330 53.8870 65.7000 66.3000
G1-K0 86.1120 85.7400 34.9760 35.5180
J2-K0 48.1660 48.1650 359.8320 0.5390
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 60294.34429786
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 88.896
HIERARCH ESO ISS PBL12 END 88.582
HIERARCH ESO ISS PBLA12 START 128.5
HIERARCH ESO ISS PBLA12 END 129.6
HIERARCH ESO ISS PBL13 START 123.539
HIERARCH ESO ISS PBL13 END 122.68
HIERARCH ESO ISS PBLA13 START 105.5
HIERARCH ESO ISS PBLA13 END 106.5
HIERARCH ESO ISS PBL14 START 119.888
HIERARCH ESO ISS PBL14 END 118.846
HIERARCH ESO ISS PBLA14 START 82.713
HIERARCH ESO ISS PBLA14 END 83.545
HIERARCH ESO ISS PBL23 START 54.333
HIERARCH ESO ISS PBL23 END 53.887
HIERARCH ESO ISS PBLA23 START 65.7
HIERARCH ESO ISS PBLA23 END 66.3
HIERARCH ESO ISS PBL24 START 86.112
HIERARCH ESO ISS PBL24 END 85.74
HIERARCH ESO ISS PBLA24 START 34.976
HIERARCH ESO ISS PBLA24 END 35.518
HIERARCH ESO ISS PBL34 START 48.166
HIERARCH ESO ISS PBL34 END 48.165
HIERARCH ESO ISS PBLA34 START 359.832
HIERARCH ESO ISS PBLA34 END 0.539
HIERARCH ESO ISS AMBI TAU0 START 0.002404
HIERARCH ESO ISS AMBI TAU0 END 0.002303
HIERARCH ESO ISS AMBI TEMP 13.67
HIERARCH ESO ISS AMBI FWHM START 1.93
HIERARCH ESO ISS AMBI FWHM END 1.91