Exposure
ID
PIONI.2025-07-15T05:05:49.139_1
Header ID
PIONI.2025-07-15T05:05:49.139
Date updated
2025-07-15 05:15:51 UTC+0000
Release date
2025-07-15 05:05:49 UTC+0000
UTC Start
2025-07-15 05:05:49.138
UTC End
2025-07-15 05:07:05.938
MJD Start
60871.2123742867
MJD End
60871.21326317559
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.004773
Ambient temperature (°C)
12.52
Seeing (arcsec)
0.42
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 87.2680 87.1950 141.1000 141.4000
A0-J2 115.8820 115.6400 119.1000 119.4000
A0-K0 107.3280 106.9920 95.2180 95.4690
G1-J2 47.8290 47.6730 76.1000 76.3000
G1-K0 78.0880 77.9400 41.8540 41.9670
J2-K0 47.0160 47.0090 6.9310 7.0920
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 60871.2123742867
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 87.268
HIERARCH ESO ISS PBL12 END 87.195
HIERARCH ESO ISS PBLA12 START 141.1
HIERARCH ESO ISS PBLA12 END 141.4
HIERARCH ESO ISS PBL13 START 115.882
HIERARCH ESO ISS PBL13 END 115.64
HIERARCH ESO ISS PBLA13 START 119.1
HIERARCH ESO ISS PBLA13 END 119.4
HIERARCH ESO ISS PBL14 START 107.328
HIERARCH ESO ISS PBL14 END 106.992
HIERARCH ESO ISS PBLA14 START 95.218
HIERARCH ESO ISS PBLA14 END 95.469
HIERARCH ESO ISS PBL23 START 47.829
HIERARCH ESO ISS PBL23 END 47.673
HIERARCH ESO ISS PBLA23 START 76.1
HIERARCH ESO ISS PBLA23 END 76.3
HIERARCH ESO ISS PBL24 START 78.088
HIERARCH ESO ISS PBL24 END 77.94
HIERARCH ESO ISS PBLA24 START 41.854
HIERARCH ESO ISS PBLA24 END 41.967
HIERARCH ESO ISS PBL34 START 47.016
HIERARCH ESO ISS PBL34 END 47.009
HIERARCH ESO ISS PBLA34 START 6.931
HIERARCH ESO ISS PBLA34 END 7.092
HIERARCH ESO ISS AMBI TAU0 START 0.004773
HIERARCH ESO ISS AMBI TAU0 END 0.004773
HIERARCH ESO ISS AMBI TEMP 12.52
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42