Exposure
ID
PIONI.2025-04-25T00:40:46.656_1
Header ID
PIONI.2025-04-25T00:40:46.656
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 00:40:46.656
UTC End
2025-04-25 00:41:25.056
MJD Start
60790.0283177756
MJD End
60790.02876222004
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.013103
Ambient temperature (°C)
14.2
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 74.4060 74.4770 69.6000 69.8000
A0-J2 122.2300 122.2780 50.4000 50.6000
A0-K0 127.8450 127.8500 35.6000 35.7910
G1-J2 57.4390 57.4330 25.2000 25.3000
G1-K0 78.1410 78.1370 3.4440 3.5830
J2-K0 32.6540 32.6860 322.8190 322.9330
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 60790.0283177756
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 74.406
HIERARCH ESO ISS PBL12 END 74.477
HIERARCH ESO ISS PBLA12 START 69.6
HIERARCH ESO ISS PBLA12 END 69.8
HIERARCH ESO ISS PBL13 START 122.23
HIERARCH ESO ISS PBL13 END 122.278
HIERARCH ESO ISS PBLA13 START 50.4
HIERARCH ESO ISS PBLA13 END 50.6
HIERARCH ESO ISS PBL14 START 127.845
HIERARCH ESO ISS PBL14 END 127.85
HIERARCH ESO ISS PBLA14 START 35.6
HIERARCH ESO ISS PBLA14 END 35.791
HIERARCH ESO ISS PBL23 START 57.439
HIERARCH ESO ISS PBL23 END 57.433
HIERARCH ESO ISS PBLA23 START 25.2
HIERARCH ESO ISS PBLA23 END 25.3
HIERARCH ESO ISS PBL24 START 78.141
HIERARCH ESO ISS PBL24 END 78.137
HIERARCH ESO ISS PBLA24 START 3.444
HIERARCH ESO ISS PBLA24 END 3.583
HIERARCH ESO ISS PBL34 START 32.654
HIERARCH ESO ISS PBL34 END 32.686
HIERARCH ESO ISS PBLA34 START 322.819
HIERARCH ESO ISS PBLA34 END 322.933
HIERARCH ESO ISS AMBI TAU0 START 0.013048
HIERARCH ESO ISS AMBI TAU0 END 0.013158
HIERARCH ESO ISS AMBI TEMP 14.2
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46