Exposure
ID
PIONI.2025-01-08T05:24:01.490_1
Header ID
PIONI.2025-01-08T05:24:01.490
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 05:24:01.490
UTC End
2025-01-08 05:24:39.890
MJD Start
60683.2250172491
MJD End
60683.22546169354
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008199499999999998
Ambient temperature (°C)
15.18
Seeing (arcsec)
0.51
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 29.1500 29.2060 106.5000 106.6000
A0-J2 119.9050 119.9510 39.8000 40.0000
A0-J6 146.3900 146.3980 356.5620 356.6990
B5-J2 111.6060 111.6120 26.0000 26.2000
B5-J6 158.7070 158.7490 346.6200 346.7420
J2-J6 101.2330 101.4010 302.2800 302.4060
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 60683.2250172491
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 29.15
HIERARCH ESO ISS PBL12 END 29.206
HIERARCH ESO ISS PBLA12 START 106.5
HIERARCH ESO ISS PBLA12 END 106.6
HIERARCH ESO ISS PBL13 START 119.905
HIERARCH ESO ISS PBL13 END 119.951
HIERARCH ESO ISS PBLA13 START 39.8
HIERARCH ESO ISS PBLA13 END 40.0
HIERARCH ESO ISS PBL14 START 146.39
HIERARCH ESO ISS PBL14 END 146.398
HIERARCH ESO ISS PBLA14 START 356.562
HIERARCH ESO ISS PBLA14 END 356.699
HIERARCH ESO ISS PBL23 START 111.606
HIERARCH ESO ISS PBL23 END 111.612
HIERARCH ESO ISS PBLA23 START 26.0
HIERARCH ESO ISS PBLA23 END 26.2
HIERARCH ESO ISS PBL24 START 158.707
HIERARCH ESO ISS PBL24 END 158.749
HIERARCH ESO ISS PBLA24 START 346.62
HIERARCH ESO ISS PBLA24 END 346.742
HIERARCH ESO ISS PBL34 START 101.233
HIERARCH ESO ISS PBL34 END 101.401
HIERARCH ESO ISS PBLA34 START 302.28
HIERARCH ESO ISS PBLA34 END 302.406
HIERARCH ESO ISS AMBI TAU0 START 0.00832
HIERARCH ESO ISS AMBI TAU0 END 0.008079
HIERARCH ESO ISS AMBI TEMP 15.18
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51