Exposure
ID
PIONI.2021-12-28T06:54:06.497_1
Header ID
PIONI.2021-12-28T06:54:06.497
Date updated
2021-12-28 07:36:17 UTC+0000
Release date
2022-12-28 07:36:17 UTC+0000
UTC Start
2021-12-28 06:54:06.497
UTC End
2021-12-28 06:54:57.697
MJD Start
59576.2875751974
MJD End
59576.28816779
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.0111715
Ambient temperature (°C)
14.91
Seeing (arcsec)
0.455
Observation
ID
49095
Category
science
Program ID
105.20AC.003
Program Title
PROBING THE BINARITY AND ITS EFFECTS ON LUMINOUS BLUE VARIABLES
Program Type
Normal
PI / COI
MAHY/ KLUSKA/ REGGIANI
Target
ID
36732
Name
WR_31a
RA
163.49593
DEC
-60.44564
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 77.4800 77.5830 83.0000 83.2000
A0-J2 123.1870 123.2640 62.2000 62.4000
A0-K0 127.7830 127.7940 45.5300 45.7600
G1-J2 57.7140 57.7040 33.8000 34.0000
G1-K0 81.3080 81.2920 10.1250 10.2890
J2-K0 36.6570 36.6910 330.9990 331.1270
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.20AC.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59576.2875751974
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME WR_31a
RA 163.49593
DEC -60.44564
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 51.2
HIERARCH ESO DET DIT 0.001
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 77.48
HIERARCH ESO ISS PBL12 END 77.583
HIERARCH ESO ISS PBLA12 START 83.0
HIERARCH ESO ISS PBLA12 END 83.2
HIERARCH ESO ISS PBL13 START 123.187
HIERARCH ESO ISS PBL13 END 123.264
HIERARCH ESO ISS PBLA13 START 62.2
HIERARCH ESO ISS PBLA13 END 62.4
HIERARCH ESO ISS PBL14 START 127.783
HIERARCH ESO ISS PBL14 END 127.794
HIERARCH ESO ISS PBLA14 START 45.53
HIERARCH ESO ISS PBLA14 END 45.76
HIERARCH ESO ISS PBL23 START 57.714
HIERARCH ESO ISS PBL23 END 57.704
HIERARCH ESO ISS PBLA23 START 33.8
HIERARCH ESO ISS PBLA23 END 34.0
HIERARCH ESO ISS PBL24 START 81.308
HIERARCH ESO ISS PBL24 END 81.292
HIERARCH ESO ISS PBLA24 START 10.125
HIERARCH ESO ISS PBLA24 END 10.289
HIERARCH ESO ISS PBL34 START 36.657
HIERARCH ESO ISS PBL34 END 36.691
HIERARCH ESO ISS PBLA34 START 330.999
HIERARCH ESO ISS PBLA34 END 331.127
HIERARCH ESO ISS AMBI TAU0 START 0.010494
HIERARCH ESO ISS AMBI TAU0 END 0.011849
HIERARCH ESO ISS AMBI TEMP 14.91
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.45