Exposure
ID
PIONI.2025-01-08T06:50:26.721_1
Header ID
PIONI.2025-01-08T06:50:26.721
Date updated
2025-01-08 07:00:44 UTC+0000
Release date
2026-01-08 07:00:44 UTC+0000
UTC Start
2025-01-08 06:50:26.721
UTC End
2025-01-08 06:51:05.121
MJD Start
60683.2850314905
MJD End
60683.2854759349
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0079955
Ambient temperature (°C)
13.89
Seeing (arcsec)
0.58
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 34.3730 34.4160 122.0000 122.1000
A0-J2 124.8300 124.8730 61.5000 61.7000
A0-J6 145.5000 145.4750 11.0180 11.1540
B5-J2 111.9840 111.9830 46.0000 46.2000
B5-J6 161.0350 161.0370 359.5230 359.6460
J2-J6 116.7340 116.8570 315.4700 315.5910
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 60683.2850314905
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 34.373
HIERARCH ESO ISS PBL12 END 34.416
HIERARCH ESO ISS PBLA12 START 122.0
HIERARCH ESO ISS PBLA12 END 122.1
HIERARCH ESO ISS PBL13 START 124.83
HIERARCH ESO ISS PBL13 END 124.873
HIERARCH ESO ISS PBLA13 START 61.5
HIERARCH ESO ISS PBLA13 END 61.7
HIERARCH ESO ISS PBL14 START 145.5
HIERARCH ESO ISS PBL14 END 145.475
HIERARCH ESO ISS PBLA14 START 11.018
HIERARCH ESO ISS PBLA14 END 11.154
HIERARCH ESO ISS PBL23 START 111.984
HIERARCH ESO ISS PBL23 END 111.983
HIERARCH ESO ISS PBLA23 START 46.0
HIERARCH ESO ISS PBLA23 END 46.2
HIERARCH ESO ISS PBL24 START 161.035
HIERARCH ESO ISS PBL24 END 161.037
HIERARCH ESO ISS PBLA24 START 359.523
HIERARCH ESO ISS PBLA24 END 359.646
HIERARCH ESO ISS PBL34 START 116.734
HIERARCH ESO ISS PBL34 END 116.857
HIERARCH ESO ISS PBLA34 START 315.47
HIERARCH ESO ISS PBLA34 END 315.591
HIERARCH ESO ISS AMBI TAU0 START 0.007831
HIERARCH ESO ISS AMBI TAU0 END 0.00816
HIERARCH ESO ISS AMBI TEMP 13.89
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.55