Exposure
ID
PIONI.2025-07-16T01:07:08.678_1
Header ID
PIONI.2025-07-16T01:07:08.678
Date updated
2025-07-16 01:15:56 UTC+0000
Release date
2026-07-16 01:15:56 UTC+0000
UTC Start
2025-07-16 01:07:08.678
UTC End
2025-07-16 01:07:47.078
MJD Start
60872.0466282205
MJD End
60872.047072664944
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002674
Ambient temperature (°C)
12.48
Seeing (arcsec)
0.95
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 90.3850 90.3890 147.8000 148.0000
A0-J2 125.1680 125.1330 132.3000 132.5000
A0-K0 111.1290 111.0440 115.5130 115.7220
G1-J2 45.0560 45.0020 100.0000 100.2000
G1-K0 59.4690 59.3800 61.2420 61.3830
J2-K0 37.2350 37.2250 12.0280 12.1470
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 60872.0466282205
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 90.385
HIERARCH ESO ISS PBL12 END 90.389
HIERARCH ESO ISS PBLA12 START 147.8
HIERARCH ESO ISS PBLA12 END 148.0
HIERARCH ESO ISS PBL13 START 125.168
HIERARCH ESO ISS PBL13 END 125.133
HIERARCH ESO ISS PBLA13 START 132.3
HIERARCH ESO ISS PBLA13 END 132.5
HIERARCH ESO ISS PBL14 START 111.129
HIERARCH ESO ISS PBL14 END 111.044
HIERARCH ESO ISS PBLA14 START 115.513
HIERARCH ESO ISS PBLA14 END 115.722
HIERARCH ESO ISS PBL23 START 45.056
HIERARCH ESO ISS PBL23 END 45.002
HIERARCH ESO ISS PBLA23 START 100.0
HIERARCH ESO ISS PBLA23 END 100.2
HIERARCH ESO ISS PBL24 START 59.469
HIERARCH ESO ISS PBL24 END 59.38
HIERARCH ESO ISS PBLA24 START 61.242
HIERARCH ESO ISS PBLA24 END 61.383
HIERARCH ESO ISS PBL34 START 37.235
HIERARCH ESO ISS PBL34 END 37.225
HIERARCH ESO ISS PBLA34 START 12.028
HIERARCH ESO ISS PBLA34 END 12.147
HIERARCH ESO ISS AMBI TAU0 START 0.002674
HIERARCH ESO ISS AMBI TAU0 END 0.002674
HIERARCH ESO ISS AMBI TEMP 12.48
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95