Exposure
ID
PIONI.2025-01-08T05:09:30.242_1
Header ID
PIONI.2025-01-08T05:09:30.242
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 05:09:30.242
UTC End
2025-01-08 05:10:08.642
MJD Start
60683.2149333563
MJD End
60683.2153778007
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006939
Ambient temperature (°C)
15.27
Seeing (arcsec)
0.49
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 28.1530 28.2090 103.7000 103.9000
A0-J2 119.1110 119.1540 36.0000 36.2000
A0-J6 146.2060 146.2190 354.1330 354.2670
B5-J2 111.4990 111.5050 22.5000 22.7000
B5-J6 157.8830 157.9320 344.4630 344.5820
J2-J6 98.1930 98.3640 300.0240 300.1490
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 60683.2149333563
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 28.153
HIERARCH ESO ISS PBL12 END 28.209
HIERARCH ESO ISS PBLA12 START 103.7
HIERARCH ESO ISS PBLA12 END 103.9
HIERARCH ESO ISS PBL13 START 119.111
HIERARCH ESO ISS PBL13 END 119.154
HIERARCH ESO ISS PBLA13 START 36.0
HIERARCH ESO ISS PBLA13 END 36.2
HIERARCH ESO ISS PBL14 START 146.206
HIERARCH ESO ISS PBL14 END 146.219
HIERARCH ESO ISS PBLA14 START 354.133
HIERARCH ESO ISS PBLA14 END 354.267
HIERARCH ESO ISS PBL23 START 111.499
HIERARCH ESO ISS PBL23 END 111.505
HIERARCH ESO ISS PBLA23 START 22.5
HIERARCH ESO ISS PBLA23 END 22.7
HIERARCH ESO ISS PBL24 START 157.883
HIERARCH ESO ISS PBL24 END 157.932
HIERARCH ESO ISS PBLA24 START 344.463
HIERARCH ESO ISS PBLA24 END 344.582
HIERARCH ESO ISS PBL34 START 98.193
HIERARCH ESO ISS PBL34 END 98.364
HIERARCH ESO ISS PBLA34 START 300.024
HIERARCH ESO ISS PBLA34 END 300.149
HIERARCH ESO ISS AMBI TAU0 START 0.007068
HIERARCH ESO ISS AMBI TAU0 END 0.00681
HIERARCH ESO ISS AMBI TEMP 15.27
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.51