Exposure
ID
PIONI.2025-01-08T05:11:10.258_1
Header ID
PIONI.2025-01-08T05:11:10.258
Date updated
2025-01-08 05:20:44 UTC+0000
Release date
2026-01-08 05:20:44 UTC+0000
UTC Start
2025-01-08 05:11:10.258
UTC End
2025-01-08 05:11:48.658
MJD Start
60683.2160909506
MJD End
60683.216535395
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007314
Ambient temperature (°C)
15.34
Seeing (arcsec)
0.495
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 28.2690 28.3250 104.0000 104.2000
A0-J2 119.2010 119.2440 36.5000 36.7000
A0-J6 146.2320 146.2440 354.4120 354.5460
B5-J2 111.5120 111.5170 22.9000 23.1000
B5-J6 157.9840 158.0320 344.7110 344.8300
J2-J6 98.5490 98.7190 300.2840 300.4080
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 60683.2160909506
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 28.269
HIERARCH ESO ISS PBL12 END 28.325
HIERARCH ESO ISS PBLA12 START 104.0
HIERARCH ESO ISS PBLA12 END 104.2
HIERARCH ESO ISS PBL13 START 119.201
HIERARCH ESO ISS PBL13 END 119.244
HIERARCH ESO ISS PBLA13 START 36.5
HIERARCH ESO ISS PBLA13 END 36.7
HIERARCH ESO ISS PBL14 START 146.232
HIERARCH ESO ISS PBL14 END 146.244
HIERARCH ESO ISS PBLA14 START 354.412
HIERARCH ESO ISS PBLA14 END 354.546
HIERARCH ESO ISS PBL23 START 111.512
HIERARCH ESO ISS PBL23 END 111.517
HIERARCH ESO ISS PBLA23 START 22.9
HIERARCH ESO ISS PBLA23 END 23.1
HIERARCH ESO ISS PBL24 START 157.984
HIERARCH ESO ISS PBL24 END 158.032
HIERARCH ESO ISS PBLA24 START 344.711
HIERARCH ESO ISS PBLA24 END 344.83
HIERARCH ESO ISS PBL34 START 98.549
HIERARCH ESO ISS PBL34 END 98.719
HIERARCH ESO ISS PBLA34 START 300.284
HIERARCH ESO ISS PBLA34 END 300.408
HIERARCH ESO ISS AMBI TAU0 START 0.00681
HIERARCH ESO ISS AMBI TAU0 END 0.007818
HIERARCH ESO ISS AMBI TEMP 15.34
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.48