Exposure
ID
PIONI.2025-01-08T05:25:42.006_1
Header ID
PIONI.2025-01-08T05:25:42.006
Date updated
2025-01-08 05:30:58 UTC+0000
Release date
2026-01-08 05:30:58 UTC+0000
UTC Start
2025-01-08 05:25:42.005
UTC End
2025-01-08 05:26:20.405
MJD Start
60683.2261806158
MJD End
60683.22662506024
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007636
Ambient temperature (°C)
15.18
Seeing (arcsec)
0.48
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 29.2640 29.3180 106.8000 107.0000
A0-J2 119.9990 120.0440 40.3000 40.5000
A0-J6 146.4050 146.4120 356.8440 356.9780
B5-J2 111.6180 111.6240 26.4000 26.5000
B5-J6 158.7940 158.8350 346.8710 346.9900
J2-J6 101.5780 101.7410 302.5400 302.6640
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 60683.2261806158
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 29.264
HIERARCH ESO ISS PBL12 END 29.318
HIERARCH ESO ISS PBLA12 START 106.8
HIERARCH ESO ISS PBLA12 END 107.0
HIERARCH ESO ISS PBL13 START 119.999
HIERARCH ESO ISS PBL13 END 120.044
HIERARCH ESO ISS PBLA13 START 40.3
HIERARCH ESO ISS PBLA13 END 40.5
HIERARCH ESO ISS PBL14 START 146.405
HIERARCH ESO ISS PBL14 END 146.412
HIERARCH ESO ISS PBLA14 START 356.844
HIERARCH ESO ISS PBLA14 END 356.978
HIERARCH ESO ISS PBL23 START 111.618
HIERARCH ESO ISS PBL23 END 111.624
HIERARCH ESO ISS PBLA23 START 26.4
HIERARCH ESO ISS PBLA23 END 26.5
HIERARCH ESO ISS PBL24 START 158.794
HIERARCH ESO ISS PBL24 END 158.835
HIERARCH ESO ISS PBLA24 START 346.871
HIERARCH ESO ISS PBLA24 END 346.99
HIERARCH ESO ISS PBL34 START 101.578
HIERARCH ESO ISS PBL34 END 101.741
HIERARCH ESO ISS PBLA34 START 302.54
HIERARCH ESO ISS PBLA34 END 302.664
HIERARCH ESO ISS AMBI TAU0 START 0.007636
HIERARCH ESO ISS AMBI TAU0 END 0.007636
HIERARCH ESO ISS AMBI TEMP 15.18
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48