Exposure
ID
PIONI.2025-01-08T06:47:55.194_1
Header ID
PIONI.2025-01-08T06:47:55.194
Date updated
2025-01-08 06:55:37 UTC+0000
Release date
2026-01-08 06:55:37 UTC+0000
UTC Start
2025-01-08 06:47:55.194
UTC End
2025-01-08 06:48:33.594
MJD Start
60683.2832777128
MJD End
60683.2837221572
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008124
Ambient temperature (°C)
13.85
Seeing (arcsec)
0.56
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 34.2400 34.2830 121.6000 121.7000
A0-J2 124.6950 124.7390 60.9000 61.1000
A0-J6 145.5750 145.5510 10.5980 10.7340
B5-J2 111.9870 111.9860 45.4000 45.6000
B5-J6 161.0290 161.0310 359.1470 359.2690
J2-J6 116.3440 116.4700 315.0860 315.2100
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 60683.2832777128
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 34.24
HIERARCH ESO ISS PBL12 END 34.283
HIERARCH ESO ISS PBLA12 START 121.6
HIERARCH ESO ISS PBLA12 END 121.7
HIERARCH ESO ISS PBL13 START 124.695
HIERARCH ESO ISS PBL13 END 124.739
HIERARCH ESO ISS PBLA13 START 60.9
HIERARCH ESO ISS PBLA13 END 61.1
HIERARCH ESO ISS PBL14 START 145.575
HIERARCH ESO ISS PBL14 END 145.551
HIERARCH ESO ISS PBLA14 START 10.598
HIERARCH ESO ISS PBLA14 END 10.734
HIERARCH ESO ISS PBL23 START 111.987
HIERARCH ESO ISS PBL23 END 111.986
HIERARCH ESO ISS PBLA23 START 45.4
HIERARCH ESO ISS PBLA23 END 45.6
HIERARCH ESO ISS PBL24 START 161.029
HIERARCH ESO ISS PBL24 END 161.031
HIERARCH ESO ISS PBLA24 START 359.147
HIERARCH ESO ISS PBLA24 END 359.269
HIERARCH ESO ISS PBL34 START 116.344
HIERARCH ESO ISS PBL34 END 116.47
HIERARCH ESO ISS PBLA34 START 315.086
HIERARCH ESO ISS PBLA34 END 315.21
HIERARCH ESO ISS AMBI TAU0 START 0.008124
HIERARCH ESO ISS AMBI TAU0 END 0.008124
HIERARCH ESO ISS AMBI TEMP 13.85
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56