Exposure
ID
PIONI.2025-04-25T00:39:06.262_1
Header ID
PIONI.2025-04-25T00:39:06.262
Date updated
2025-04-25 00:45:47 UTC+0000
Release date
2026-04-25 00:45:47 UTC+0000
UTC Start
2025-04-25 00:39:06.262
UTC End
2025-04-25 00:39:44.662
MJD Start
60790.0271558128
MJD End
60790.02760025724
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.013048
Ambient temperature (°C)
14.17
Seeing (arcsec)
0.46
Observation
ID
66974
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
49791
Name
tet Mus
RA
197.027087
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 74.2590 74.3310 69.2000 69.4000
A0-J2 122.1320 122.1800 50.0000 50.2000
A0-K0 127.8340 127.8390 35.2130 35.4050
G1-J2 57.4510 57.4450 24.8000 25.0000
G1-K0 78.1490 78.1460 3.1660 3.3050
J2-K0 32.5880 32.6200 322.5920 322.7060
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 60790.0271558128
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tet Mus
RA 197.027087
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 74.259
HIERARCH ESO ISS PBL12 END 74.331
HIERARCH ESO ISS PBLA12 START 69.2
HIERARCH ESO ISS PBLA12 END 69.4
HIERARCH ESO ISS PBL13 START 122.132
HIERARCH ESO ISS PBL13 END 122.18
HIERARCH ESO ISS PBLA13 START 50.0
HIERARCH ESO ISS PBLA13 END 50.2
HIERARCH ESO ISS PBL14 START 127.834
HIERARCH ESO ISS PBL14 END 127.839
HIERARCH ESO ISS PBLA14 START 35.213
HIERARCH ESO ISS PBLA14 END 35.405
HIERARCH ESO ISS PBL23 START 57.451
HIERARCH ESO ISS PBL23 END 57.445
HIERARCH ESO ISS PBLA23 START 24.8
HIERARCH ESO ISS PBLA23 END 25.0
HIERARCH ESO ISS PBL24 START 78.149
HIERARCH ESO ISS PBL24 END 78.146
HIERARCH ESO ISS PBLA24 START 3.166
HIERARCH ESO ISS PBLA24 END 3.305
HIERARCH ESO ISS PBL34 START 32.588
HIERARCH ESO ISS PBL34 END 32.62
HIERARCH ESO ISS PBLA34 START 322.592
HIERARCH ESO ISS PBLA34 END 322.706
HIERARCH ESO ISS AMBI TAU0 START 0.013048
HIERARCH ESO ISS AMBI TAU0 END 0.013048
HIERARCH ESO ISS AMBI TEMP 14.17
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46