Exposure
ID
PIONI.2025-07-16T05:27:32.841_1
Header ID
PIONI.2025-07-16T05:27:32.841
Date updated
2025-07-16 05:35:41 UTC+0000
Release date
2026-07-16 05:35:41 UTC+0000
UTC Start
2025-07-16 05:27:32.842
UTC End
2025-07-16 05:28:24.042
MJD Start
60872.2274634447
MJD End
60872.2280560373
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.003616
Ambient temperature (°C)
11.96
Seeing (arcsec)
0.57
Observation
ID
66968
Category
science
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
49786
Name
HD 157504
RA
261.28553
DEC
-34.18682
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 82.8970 82.8220 145.5000 145.7000
A0-J2 106.9360 106.7090 121.8000 122.0000
A0-K0 99.4280 99.1320 95.2140 95.3710
G1-J2 45.5750 45.4460 74.7000 74.8000
G1-K0 78.9240 78.8160 41.2980 41.3510
J2-K0 47.9850 47.9800 9.7420 9.8490
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.283G.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60872.2274634447
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 157504
RA 261.28553
DEC -34.18682
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 82.897
HIERARCH ESO ISS PBL12 END 82.822
HIERARCH ESO ISS PBLA12 START 145.5
HIERARCH ESO ISS PBLA12 END 145.7
HIERARCH ESO ISS PBL13 START 106.936
HIERARCH ESO ISS PBL13 END 106.709
HIERARCH ESO ISS PBLA13 START 121.8
HIERARCH ESO ISS PBLA13 END 122.0
HIERARCH ESO ISS PBL14 START 99.428
HIERARCH ESO ISS PBL14 END 99.132
HIERARCH ESO ISS PBLA14 START 95.214
HIERARCH ESO ISS PBLA14 END 95.371
HIERARCH ESO ISS PBL23 START 45.575
HIERARCH ESO ISS PBL23 END 45.446
HIERARCH ESO ISS PBLA23 START 74.7
HIERARCH ESO ISS PBLA23 END 74.8
HIERARCH ESO ISS PBL24 START 78.924
HIERARCH ESO ISS PBL24 END 78.816
HIERARCH ESO ISS PBLA24 START 41.298
HIERARCH ESO ISS PBLA24 END 41.351
HIERARCH ESO ISS PBL34 START 47.985
HIERARCH ESO ISS PBL34 END 47.98
HIERARCH ESO ISS PBLA34 START 9.742
HIERARCH ESO ISS PBLA34 END 9.849
HIERARCH ESO ISS AMBI TAU0 START 0.003616
HIERARCH ESO ISS AMBI TAU0 END 0.003616
HIERARCH ESO ISS AMBI TEMP 11.96
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57