Exposure
ID
PIONI.2025-01-08T06:32:23.517_1
Header ID
PIONI.2025-01-08T06:32:23.517
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 06:32:23.517
UTC End
2025-01-08 06:33:01.917
MJD Start
60683.2724944064
MJD End
60683.272938850845
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0089125
Ambient temperature (°C)
14.02
Seeing (arcsec)
0.44999999999999996
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 33.3890 33.4350 118.9000 119.0000
A0-J2 123.8410 123.8870 57.1000 57.3000
A0-J6 145.9680 145.9500 8.0020 8.1380
B5-J2 111.9780 111.9790 41.9000 42.0000
B5-J6 160.9070 160.9170 356.8220 356.9440
J2-J6 113.8640 113.9980 312.7300 312.8540
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 60683.2724944064
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 33.389
HIERARCH ESO ISS PBL12 END 33.435
HIERARCH ESO ISS PBLA12 START 118.9
HIERARCH ESO ISS PBLA12 END 119.0
HIERARCH ESO ISS PBL13 START 123.841
HIERARCH ESO ISS PBL13 END 123.887
HIERARCH ESO ISS PBLA13 START 57.1
HIERARCH ESO ISS PBLA13 END 57.3
HIERARCH ESO ISS PBL14 START 145.968
HIERARCH ESO ISS PBL14 END 145.95
HIERARCH ESO ISS PBLA14 START 8.002
HIERARCH ESO ISS PBLA14 END 8.138
HIERARCH ESO ISS PBL23 START 111.978
HIERARCH ESO ISS PBL23 END 111.979
HIERARCH ESO ISS PBLA23 START 41.9
HIERARCH ESO ISS PBLA23 END 42.0
HIERARCH ESO ISS PBL24 START 160.907
HIERARCH ESO ISS PBL24 END 160.917
HIERARCH ESO ISS PBLA24 START 356.822
HIERARCH ESO ISS PBLA24 END 356.944
HIERARCH ESO ISS PBL34 START 113.864
HIERARCH ESO ISS PBL34 END 113.998
HIERARCH ESO ISS PBLA34 START 312.73
HIERARCH ESO ISS PBLA34 END 312.854
HIERARCH ESO ISS AMBI TAU0 START 0.009007
HIERARCH ESO ISS AMBI TAU0 END 0.008818
HIERARCH ESO ISS AMBI TEMP 14.02
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.47