Exposure
ID
PIONI.2025-07-16T01:05:28.254_1
Header ID
PIONI.2025-07-16T01:05:28.254
Date updated
2025-07-16 01:11:04 UTC+0000
Release date
2026-07-16 01:11:04 UTC+0000
UTC Start
2025-07-16 01:05:28.254
UTC End
2025-07-16 01:06:06.654
MJD Start
60872.0454658987
MJD End
60872.04591034314
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002674
Ambient temperature (°C)
12.45
Seeing (arcsec)
1.08
Observation
ID
68806
Category
science
Program ID
115.283G.003
Program Title
CHARACTERIZING WIDE COMPANIONS OF WOLF-RAYET STARS
Program Type
Normal
PI / COI
DESHMUKH / SANA / BORDIER / MÉRAND
Target
ID
51191
Name
tet Mus
RA
197.027086
DEC
-65.30603
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 90.3770 90.3810 147.4000 147.6000
A0-J2 125.2400 125.2050 131.9000 132.1000
A0-K0 111.3020 111.2170 115.0910 115.3000
G1-J2 45.1660 45.1120 99.6000 99.8000
G1-K0 59.6500 59.5610 60.9580 61.0990
J2-K0 37.2540 37.2450 11.7910 11.9100
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.283G.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60872.0454658987
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tet Mus
RA 197.027086
DEC -65.30603
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.377
HIERARCH ESO ISS PBL12 END 90.381
HIERARCH ESO ISS PBLA12 START 147.4
HIERARCH ESO ISS PBLA12 END 147.6
HIERARCH ESO ISS PBL13 START 125.24
HIERARCH ESO ISS PBL13 END 125.205
HIERARCH ESO ISS PBLA13 START 131.9
HIERARCH ESO ISS PBLA13 END 132.1
HIERARCH ESO ISS PBL14 START 111.302
HIERARCH ESO ISS PBL14 END 111.217
HIERARCH ESO ISS PBLA14 START 115.091
HIERARCH ESO ISS PBLA14 END 115.3
HIERARCH ESO ISS PBL23 START 45.166
HIERARCH ESO ISS PBL23 END 45.112
HIERARCH ESO ISS PBLA23 START 99.6
HIERARCH ESO ISS PBLA23 END 99.8
HIERARCH ESO ISS PBL24 START 59.65
HIERARCH ESO ISS PBL24 END 59.561
HIERARCH ESO ISS PBLA24 START 60.958
HIERARCH ESO ISS PBLA24 END 61.099
HIERARCH ESO ISS PBL34 START 37.254
HIERARCH ESO ISS PBL34 END 37.245
HIERARCH ESO ISS PBLA34 START 11.791
HIERARCH ESO ISS PBLA34 END 11.91
HIERARCH ESO ISS AMBI TAU0 START 0.002674
HIERARCH ESO ISS AMBI TAU0 END 0.002674
HIERARCH ESO ISS AMBI TEMP 12.45
HIERARCH ESO ISS AMBI FWHM START 1.08
HIERARCH ESO ISS AMBI FWHM END 1.08