Exposure
ID
GRAVI.2023-05-22T00:06:16.936_1
Header ID
GRAVI.2023-05-22T00:06:16.936
Date updated
2023-05-22 00:20:42 UTC+0000
Release date
2024-05-22 00:20:42 UTC+0000
UTC Start
2023-05-22 00:06:16.936
UTC End
2023-05-22 00:12:16.936
MJD Start
60086.00436269
MJD End
60086.0085293567
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00433
Ambient temperature (°C)
13.11
Seeing (arcsec)
0.56
Observation
ID
55524
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
41125
Name
WR_9
RA
116.457295
DEC
-34.33013
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 80.2380 79.8350 154.4000 156.0000
A0-J2 98.1740 96.7380 131.1000 132.7000
A0-K0 87.3000 85.2020 102.0360 103.2400
G1-J2 40.1530 39.2020 78.7000 79.3000
G1-K0 74.2530 73.4390 43.1410 43.3610
J2-K0 47.7050 47.6520 13.8190 14.4550
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 60086.00436269
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_9
HIERARCH ESO INS SOBJ NAME WR_9
RA 116.457295
DEC -34.33013
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 80.238
HIERARCH ESO ISS PBL12 END 79.835
HIERARCH ESO ISS PBLA12 START 154.4
HIERARCH ESO ISS PBLA12 END 156.0
HIERARCH ESO ISS PBL13 START 98.174
HIERARCH ESO ISS PBL13 END 96.738
HIERARCH ESO ISS PBLA13 START 131.1
HIERARCH ESO ISS PBLA13 END 132.7
HIERARCH ESO ISS PBL14 START 87.3
HIERARCH ESO ISS PBL14 END 85.202
HIERARCH ESO ISS PBLA14 START 102.036
HIERARCH ESO ISS PBLA14 END 103.24
HIERARCH ESO ISS PBL23 START 40.153
HIERARCH ESO ISS PBL23 END 39.202
HIERARCH ESO ISS PBLA23 START 78.7
HIERARCH ESO ISS PBLA23 END 79.3
HIERARCH ESO ISS PBL24 START 74.253
HIERARCH ESO ISS PBL24 END 73.439
HIERARCH ESO ISS PBLA24 START 43.141
HIERARCH ESO ISS PBLA24 END 43.361
HIERARCH ESO ISS PBL34 START 47.705
HIERARCH ESO ISS PBL34 END 47.652
HIERARCH ESO ISS PBLA34 START 13.819
HIERARCH ESO ISS PBLA34 END 14.455
HIERARCH ESO ISS AMBI TAU0 START 0.004209
HIERARCH ESO ISS AMBI TAU0 END 0.004451
HIERARCH ESO ISS AMBI TEMP 13.11
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.53