Exposure
ID
GRAVI.2023-08-24T00:07:47.107_1
Header ID
GRAVI.2023-08-24T00:07:47.107
Date updated
2023-08-24 00:20:39 UTC+0000
Release date
2024-08-24 00:20:39 UTC+0000
UTC Start
2023-08-24 00:07:47.107
UTC End
2023-08-24 00:13:47.107
MJD Start
60180.00540633
MJD End
60180.00957299666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00719
Ambient temperature (°C)
15.43
Seeing (arcsec)
0.62
Observation
ID
56733
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
42036
Name
WR_75
RA
246.105699
DEC
-51.53504
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 90.4340 90.4750 126.2000 127.4000
A0-J2 127.6010 127.2480 106.0000 107.3000
A0-K0 121.1260 120.4040 85.8380 87.0540
G1-J2 52.9800 52.5850 69.8000 70.9000
G1-K0 78.5050 78.0280 37.5620 38.3520
J2-K0 43.9640 43.9760 357.5770 358.3510
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 60180.00540633
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_75
HIERARCH ESO INS SOBJ NAME WR_75
RA 246.105699
DEC -51.53504
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 90.434
HIERARCH ESO ISS PBL12 END 90.475
HIERARCH ESO ISS PBLA12 START 126.2
HIERARCH ESO ISS PBLA12 END 127.4
HIERARCH ESO ISS PBL13 START 127.601
HIERARCH ESO ISS PBL13 END 127.248
HIERARCH ESO ISS PBLA13 START 106.0
HIERARCH ESO ISS PBLA13 END 107.3
HIERARCH ESO ISS PBL14 START 121.126
HIERARCH ESO ISS PBL14 END 120.404
HIERARCH ESO ISS PBLA14 START 85.838
HIERARCH ESO ISS PBLA14 END 87.054
HIERARCH ESO ISS PBL23 START 52.98
HIERARCH ESO ISS PBL23 END 52.585
HIERARCH ESO ISS PBLA23 START 69.8
HIERARCH ESO ISS PBLA23 END 70.9
HIERARCH ESO ISS PBL24 START 78.505
HIERARCH ESO ISS PBL24 END 78.028
HIERARCH ESO ISS PBLA24 START 37.562
HIERARCH ESO ISS PBLA24 END 38.352
HIERARCH ESO ISS PBL34 START 43.964
HIERARCH ESO ISS PBL34 END 43.976
HIERARCH ESO ISS PBLA34 START 357.577
HIERARCH ESO ISS PBLA34 END 358.351
HIERARCH ESO ISS AMBI TAU0 START 0.007062
HIERARCH ESO ISS AMBI TAU0 END 0.007318
HIERARCH ESO ISS AMBI TEMP 15.43
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.65