Exposure
ID
PIONI.2022-05-29T09:57:53.097_1
Header ID
PIONI.2022-05-29T09:57:53.097
Date updated
2022-05-29 10:05:54 UTC+0000
Release date
2023-05-29 10:05:54 UTC+0000
UTC Start
2022-05-29 09:57:53.097
UTC End
2022-05-29 09:58:31.497
MJD Start
59728.4151978837
MJD End
59728.4156423281
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003437
Ambient temperature (°C)
6.36
Seeing (arcsec)
0.66
Observation
ID
51048
Category
science
Program ID
109.231M.001
Program Title
3D ORBITS OF GALACTIC LUMINOUS BLUE VARIABLE STARS
Program Type
Normal
PI / COI
MAHY/ SANA/ FROST/ HUTSEMEKERS/ KLUSKA/ LANTHERMANN/ LE BOUQUIN/ GOSSET
Target
ID
38070
Name
Cl Westerlund 1 W 243
RA
251.781264
DEC
-45.87476
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 I2
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 51.8300 51.7920 339.2000 339.5000
K0-D0 55.2650 55.1340 316.7000 317.0000
K0-I2 28.3700 28.3700 1.1890 1.3590
G2-D0 21.1820 21.1060 247.1000 247.2000
G2-I2 27.6370 27.5720 136.6810 136.9700
D0-I2 40.2720 40.1020 107.1530 107.3720
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 109.231M.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59728.4151978837
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME Cl Westerlund 1 W 243
RA 251.781264
DEC -45.87476
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 I2
EXPTIME 38.4
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 51.83
HIERARCH ESO ISS PBL12 END 51.792
HIERARCH ESO ISS PBLA12 START 339.2
HIERARCH ESO ISS PBLA12 END 339.5
HIERARCH ESO ISS PBL13 START 55.265
HIERARCH ESO ISS PBL13 END 55.134
HIERARCH ESO ISS PBLA13 START 316.7
HIERARCH ESO ISS PBLA13 END 317.0
HIERARCH ESO ISS PBL14 START 28.37
HIERARCH ESO ISS PBL14 END 28.37
HIERARCH ESO ISS PBLA14 START 1.189
HIERARCH ESO ISS PBLA14 END 1.359
HIERARCH ESO ISS PBL23 START 21.182
HIERARCH ESO ISS PBL23 END 21.106
HIERARCH ESO ISS PBLA23 START 247.1
HIERARCH ESO ISS PBLA23 END 247.2
HIERARCH ESO ISS PBL24 START 27.637
HIERARCH ESO ISS PBL24 END 27.572
HIERARCH ESO ISS PBLA24 START 136.681
HIERARCH ESO ISS PBLA24 END 136.97
HIERARCH ESO ISS PBL34 START 40.272
HIERARCH ESO ISS PBL34 END 40.102
HIERARCH ESO ISS PBLA34 START 107.153
HIERARCH ESO ISS PBLA34 END 107.372
HIERARCH ESO ISS AMBI TAU0 START 0.003437
HIERARCH ESO ISS AMBI TAU0 END 0.003437
HIERARCH ESO ISS AMBI TEMP 6.36
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66