Exposure
ID
PIONI.2025-07-16T05:14:29.273_1
Header ID
PIONI.2025-07-16T05:14:29.273
Date updated
2025-07-16 05:20:51 UTC+0000
Release date
2025-07-16 05:14:29 UTC+0000
UTC Start
2025-07-16 05:14:29.273
UTC End
2025-07-16 05:15:20.473
MJD Start
60872.2183943647
MJD End
60872.2189869573
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.002767
Ambient temperature (°C)
11.88
Seeing (arcsec)
0.65
Observation
ID
66967
Category
calibrator
Program ID
115.283G.002
Program Title
CHARACTERIZING WIDE COMPANIONS OF WOLF-RAYET STARS
Program Type
Normal
PI / COI
DESHMUKH / SANA / BORDIER / MÉRAND
Target
ID
49785
Name
HD 159488
RA
264.117449
DEC
-34.60407
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 84.8830 84.8100 140.5000 140.7000
A0-J2 112.4020 112.1930 117.0000 117.2000
A0-K0 106.1400 105.8770 91.8330 91.9810
G1-J2 48.4030 48.2890 72.6000 72.7000
G1-K0 81.1130 81.0180 40.0000 40.0640
J2-K0 48.0310 48.0280 7.1150 7.2250
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.283G.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60872.2183943647
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 159488
RA 264.117449
DEC -34.60407
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
HIERARCH ESO DET DIT 0.001
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 84.883
HIERARCH ESO ISS PBL12 END 84.81
HIERARCH ESO ISS PBLA12 START 140.5
HIERARCH ESO ISS PBLA12 END 140.7
HIERARCH ESO ISS PBL13 START 112.402
HIERARCH ESO ISS PBL13 END 112.193
HIERARCH ESO ISS PBLA13 START 117.0
HIERARCH ESO ISS PBLA13 END 117.2
HIERARCH ESO ISS PBL14 START 106.14
HIERARCH ESO ISS PBL14 END 105.877
HIERARCH ESO ISS PBLA14 START 91.833
HIERARCH ESO ISS PBLA14 END 91.981
HIERARCH ESO ISS PBL23 START 48.403
HIERARCH ESO ISS PBL23 END 48.289
HIERARCH ESO ISS PBLA23 START 72.6
HIERARCH ESO ISS PBLA23 END 72.7
HIERARCH ESO ISS PBL24 START 81.113
HIERARCH ESO ISS PBL24 END 81.018
HIERARCH ESO ISS PBLA24 START 40.0
HIERARCH ESO ISS PBLA24 END 40.064
HIERARCH ESO ISS PBL34 START 48.031
HIERARCH ESO ISS PBL34 END 48.028
HIERARCH ESO ISS PBLA34 START 7.115
HIERARCH ESO ISS PBLA34 END 7.225
HIERARCH ESO ISS AMBI TAU0 START 0.002767
HIERARCH ESO ISS AMBI TAU0 END 0.002767
HIERARCH ESO ISS AMBI TEMP 11.88
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65