Exposure
ID
PIONI.2025-01-08T05:08:39.905_1
Header ID
PIONI.2025-01-08T05:08:39.905
Date updated
2025-01-08 05:15:43 UTC+0000
Release date
2026-01-08 05:15:42 UTC+0000
UTC Start
2025-01-08 05:08:39.905
UTC End
2025-01-08 05:09:18.305
MJD Start
60683.2143507502
MJD End
60683.21479519464
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0073609999999999995
Ambient temperature (°C)
15.24
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 28.0950 28.1510 103.6000 103.7000
A0-J2 119.0670 119.1100 35.8000 36.0000
A0-J6 146.1920 146.2050 353.9940 354.1270
B5-J2 111.4930 111.4990 22.3000 22.5000
B5-J6 157.8320 157.8810 344.3400 344.4580
J2-J6 98.0150 98.1860 299.8940 300.0190
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 60683.2143507502
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 28.095
HIERARCH ESO ISS PBL12 END 28.151
HIERARCH ESO ISS PBLA12 START 103.6
HIERARCH ESO ISS PBLA12 END 103.7
HIERARCH ESO ISS PBL13 START 119.067
HIERARCH ESO ISS PBL13 END 119.11
HIERARCH ESO ISS PBLA13 START 35.8
HIERARCH ESO ISS PBLA13 END 36.0
HIERARCH ESO ISS PBL14 START 146.192
HIERARCH ESO ISS PBL14 END 146.205
HIERARCH ESO ISS PBLA14 START 353.994
HIERARCH ESO ISS PBLA14 END 354.127
HIERARCH ESO ISS PBL23 START 111.493
HIERARCH ESO ISS PBL23 END 111.499
HIERARCH ESO ISS PBLA23 START 22.3
HIERARCH ESO ISS PBLA23 END 22.5
HIERARCH ESO ISS PBL24 START 157.832
HIERARCH ESO ISS PBL24 END 157.881
HIERARCH ESO ISS PBLA24 START 344.34
HIERARCH ESO ISS PBLA24 END 344.458
HIERARCH ESO ISS PBL34 START 98.015
HIERARCH ESO ISS PBL34 END 98.186
HIERARCH ESO ISS PBLA34 START 299.894
HIERARCH ESO ISS PBLA34 END 300.019
HIERARCH ESO ISS AMBI TAU0 START 0.007654
HIERARCH ESO ISS AMBI TAU0 END 0.007068
HIERARCH ESO ISS AMBI TEMP 15.24
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.47