Exposure
ID
PIONI.2025-07-15T05:08:46.396_1
Header ID
PIONI.2025-07-15T05:08:46.396
Date updated
2025-07-15 05:15:51 UTC+0000
Release date
2025-07-15 05:08:46 UTC+0000
UTC Start
2025-07-15 05:08:46.396
UTC End
2025-07-15 05:10:03.196
MJD Start
60871.2144258795
MJD End
60871.21531476839
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.004773
Ambient temperature (°C)
12.47
Seeing (arcsec)
0.44
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 87.1180 87.0450 141.7000 142.0000
A0-J2 115.3860 115.1420 119.8000 120.1000
A0-K0 106.6380 106.2970 95.7360 95.9890
G1-J2 47.5090 47.3500 76.5000 76.7000
G1-K0 77.7850 77.6350 42.0890 42.2010
J2-K0 47.0010 46.9930 7.2640 7.4250
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 60871.2144258795
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 87.118
HIERARCH ESO ISS PBL12 END 87.045
HIERARCH ESO ISS PBLA12 START 141.7
HIERARCH ESO ISS PBLA12 END 142.0
HIERARCH ESO ISS PBL13 START 115.386
HIERARCH ESO ISS PBL13 END 115.142
HIERARCH ESO ISS PBLA13 START 119.8
HIERARCH ESO ISS PBLA13 END 120.1
HIERARCH ESO ISS PBL14 START 106.638
HIERARCH ESO ISS PBL14 END 106.297
HIERARCH ESO ISS PBLA14 START 95.736
HIERARCH ESO ISS PBLA14 END 95.989
HIERARCH ESO ISS PBL23 START 47.509
HIERARCH ESO ISS PBL23 END 47.35
HIERARCH ESO ISS PBLA23 START 76.5
HIERARCH ESO ISS PBLA23 END 76.7
HIERARCH ESO ISS PBL24 START 77.785
HIERARCH ESO ISS PBL24 END 77.635
HIERARCH ESO ISS PBLA24 START 42.089
HIERARCH ESO ISS PBLA24 END 42.201
HIERARCH ESO ISS PBL34 START 47.001
HIERARCH ESO ISS PBL34 END 46.993
HIERARCH ESO ISS PBLA34 START 7.264
HIERARCH ESO ISS PBLA34 END 7.425
HIERARCH ESO ISS AMBI TAU0 START 0.004773
HIERARCH ESO ISS AMBI TAU0 END 0.004773
HIERARCH ESO ISS AMBI TEMP 12.47
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.44