Exposure
ID
PIONI.2025-07-15T05:20:36.799_1
Header ID
PIONI.2025-07-15T05:20:36.799
Date updated
2025-07-15 05:30:58 UTC+0000
Release date
2026-07-15 05:30:58 UTC+0000
UTC Start
2025-07-15 05:20:36.799
UTC End
2025-07-15 05:21:53.599
MJD Start
60871.2226481368
MJD End
60871.22353702569
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0044855
Ambient temperature (°C)
12.36
Seeing (arcsec)
0.5
Observation
ID
68783
Category
science
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
51177
Name
CD-38 11746
RA
259.750743
DEC
-38.81425
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 85.4230 85.3390 145.5000 145.8000
A0-J2 110.9460 110.6720 123.2000 123.5000
A0-K0 101.5040 101.1220 98.0350 98.2920
G1-J2 45.4760 45.3000 77.8000 78.0000
G1-K0 76.6790 76.5170 42.8470 42.9430
J2-K0 47.2290 47.2190 9.3790 9.5360
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.283G.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60871.2226481368
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME CD-38 11746
RA 259.750743
DEC -38.81425
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 85.423
HIERARCH ESO ISS PBL12 END 85.339
HIERARCH ESO ISS PBLA12 START 145.5
HIERARCH ESO ISS PBLA12 END 145.8
HIERARCH ESO ISS PBL13 START 110.946
HIERARCH ESO ISS PBL13 END 110.672
HIERARCH ESO ISS PBLA13 START 123.2
HIERARCH ESO ISS PBLA13 END 123.5
HIERARCH ESO ISS PBL14 START 101.504
HIERARCH ESO ISS PBL14 END 101.122
HIERARCH ESO ISS PBLA14 START 98.035
HIERARCH ESO ISS PBLA14 END 98.292
HIERARCH ESO ISS PBL23 START 45.476
HIERARCH ESO ISS PBL23 END 45.3
HIERARCH ESO ISS PBLA23 START 77.8
HIERARCH ESO ISS PBLA23 END 78.0
HIERARCH ESO ISS PBL24 START 76.679
HIERARCH ESO ISS PBL24 END 76.517
HIERARCH ESO ISS PBLA24 START 42.847
HIERARCH ESO ISS PBLA24 END 42.943
HIERARCH ESO ISS PBL34 START 47.229
HIERARCH ESO ISS PBL34 END 47.219
HIERARCH ESO ISS PBLA34 START 9.379
HIERARCH ESO ISS PBLA34 END 9.536
HIERARCH ESO ISS AMBI TAU0 START 0.004015
HIERARCH ESO ISS AMBI TAU0 END 0.004956
HIERARCH ESO ISS AMBI TEMP 12.36
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.47