Exposure
ID
PIONI.2025-01-08T06:35:44.680_1
Header ID
PIONI.2025-01-08T06:35:44.680
Date updated
2025-01-08 06:40:42 UTC+0000
Release date
2026-01-08 06:40:41 UTC+0000
UTC Start
2025-01-08 06:35:44.681
UTC End
2025-01-08 06:36:23.081
MJD Start
60683.2748226938
MJD End
60683.27526713824
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0073
Ambient temperature (°C)
14.03
Seeing (arcsec)
0.57
Observation
ID
63119
Category
science
Program ID
114.2714.002
Program Title
UNDERSTANDING MASS TRANSFER IN LONG-PERIOD INTERACTING BINARIES
Program Type
Normal
PI / COI
MERC / BOFFIN
Target
ID
47024
Name
SY Mus
RA
173.040346
DEC
-65.41984
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 33.5760 33.6210 119.4000 119.6000
A0-J2 124.0290 124.0740 57.9000 58.1000
A0-J6 145.8930 145.8740 8.5620 8.6980
B5-J2 111.9830 111.9840 42.6000 42.8000
B5-J6 160.9450 160.9530 357.3230 357.4460
J2-J6 114.4110 114.5430 313.2380 313.3620
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.2714.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60683.2748226938
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME SY Mus
RA 173.040346
DEC -65.41984
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 38.4
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 33.576
HIERARCH ESO ISS PBL12 END 33.621
HIERARCH ESO ISS PBLA12 START 119.4
HIERARCH ESO ISS PBLA12 END 119.6
HIERARCH ESO ISS PBL13 START 124.029
HIERARCH ESO ISS PBL13 END 124.074
HIERARCH ESO ISS PBLA13 START 57.9
HIERARCH ESO ISS PBLA13 END 58.1
HIERARCH ESO ISS PBL14 START 145.893
HIERARCH ESO ISS PBL14 END 145.874
HIERARCH ESO ISS PBLA14 START 8.562
HIERARCH ESO ISS PBLA14 END 8.698
HIERARCH ESO ISS PBL23 START 111.983
HIERARCH ESO ISS PBL23 END 111.984
HIERARCH ESO ISS PBLA23 START 42.6
HIERARCH ESO ISS PBLA23 END 42.8
HIERARCH ESO ISS PBL24 START 160.945
HIERARCH ESO ISS PBL24 END 160.953
HIERARCH ESO ISS PBLA24 START 357.323
HIERARCH ESO ISS PBLA24 END 357.446
HIERARCH ESO ISS PBL34 START 114.411
HIERARCH ESO ISS PBL34 END 114.543
HIERARCH ESO ISS PBLA34 START 313.238
HIERARCH ESO ISS PBLA34 END 313.362
HIERARCH ESO ISS AMBI TAU0 START 0.0073
HIERARCH ESO ISS AMBI TAU0 END 0.0073
HIERARCH ESO ISS AMBI TEMP 14.03
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57