Exposure
ID
PIONI.2025-07-15T05:07:17.630_1
Header ID
PIONI.2025-07-15T05:07:17.630
Date updated
2025-07-15 05:15:51 UTC+0000
Release date
2025-07-15 05:07:17 UTC+0000
UTC Start
2025-07-15 05:07:17.629
UTC End
2025-07-15 05:08:34.429
MJD Start
60871.2133984887
MJD End
60871.21428737759
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.004773
Ambient temperature (°C)
12.45
Seeing (arcsec)
0.43
Observation
ID
68782
Category
calibrator
Program ID
115.283G.001
Program Title
CHARACTERIZING WIDE COMPANIONS OF WOLF-RAYET STARS
Program Type
Normal
PI / COI
DESHMUKH / SANA / BORDIER / MÉRAND
Target
ID
51176
Name
HD 157710
RA
261.694571
DEC
-40.46347
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 87.1930 87.1200 141.4000 141.7000
A0-J2 115.6350 115.3920 119.4000 119.8000
A0-K0 106.9840 106.6460 95.4750 95.7310
G1-J2 47.6690 47.5120 76.3000 76.5000
G1-K0 77.9370 77.7880 41.9700 42.0860
J2-K0 47.0080 47.0010 7.0960 7.2610
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.283G.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60871.2133984887
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 157710
RA 261.694571
DEC -40.46347
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 0.0015
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 87.193
HIERARCH ESO ISS PBL12 END 87.12
HIERARCH ESO ISS PBLA12 START 141.4
HIERARCH ESO ISS PBLA12 END 141.7
HIERARCH ESO ISS PBL13 START 115.635
HIERARCH ESO ISS PBL13 END 115.392
HIERARCH ESO ISS PBLA13 START 119.4
HIERARCH ESO ISS PBLA13 END 119.8
HIERARCH ESO ISS PBL14 START 106.984
HIERARCH ESO ISS PBL14 END 106.646
HIERARCH ESO ISS PBLA14 START 95.475
HIERARCH ESO ISS PBLA14 END 95.731
HIERARCH ESO ISS PBL23 START 47.669
HIERARCH ESO ISS PBL23 END 47.512
HIERARCH ESO ISS PBLA23 START 76.3
HIERARCH ESO ISS PBLA23 END 76.5
HIERARCH ESO ISS PBL24 START 77.937
HIERARCH ESO ISS PBL24 END 77.788
HIERARCH ESO ISS PBLA24 START 41.97
HIERARCH ESO ISS PBLA24 END 42.086
HIERARCH ESO ISS PBL34 START 47.008
HIERARCH ESO ISS PBL34 END 47.001
HIERARCH ESO ISS PBLA34 START 7.096
HIERARCH ESO ISS PBLA34 END 7.261
HIERARCH ESO ISS AMBI TAU0 START 0.004773
HIERARCH ESO ISS AMBI TAU0 END 0.004773
HIERARCH ESO ISS AMBI TEMP 12.45
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.44