Exposure
ID
PIONI.2025-01-08T06:51:17.090_1
Header ID
PIONI.2025-01-08T06:51:17.090
Date updated
2025-01-08 07:00:44 UTC+0000
Release date
2026-01-08 07:00:44 UTC+0000
UTC Start
2025-01-08 06:51:17.090
UTC End
2025-01-08 06:51:55.490
MJD Start
60683.2856144668
MJD End
60683.28605891124
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00816
Ambient temperature (°C)
13.88
Seeing (arcsec)
0.55
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 34.4180 34.4610 122.1000 122.3000
A0-J2 124.8750 124.9180 61.7000 61.9000
A0-J6 145.4740 145.4490 11.1600 11.2960
B5-J2 111.9830 111.9820 46.2000 46.4000
B5-J6 161.0370 161.0380 359.6510 359.7730
J2-J6 116.8620 116.9860 315.5960 315.7200
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 60683.2856144668
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 34.418
HIERARCH ESO ISS PBL12 END 34.461
HIERARCH ESO ISS PBLA12 START 122.1
HIERARCH ESO ISS PBLA12 END 122.3
HIERARCH ESO ISS PBL13 START 124.875
HIERARCH ESO ISS PBL13 END 124.918
HIERARCH ESO ISS PBLA13 START 61.7
HIERARCH ESO ISS PBLA13 END 61.9
HIERARCH ESO ISS PBL14 START 145.474
HIERARCH ESO ISS PBL14 END 145.449
HIERARCH ESO ISS PBLA14 START 11.16
HIERARCH ESO ISS PBLA14 END 11.296
HIERARCH ESO ISS PBL23 START 111.983
HIERARCH ESO ISS PBL23 END 111.982
HIERARCH ESO ISS PBLA23 START 46.2
HIERARCH ESO ISS PBLA23 END 46.4
HIERARCH ESO ISS PBL24 START 161.037
HIERARCH ESO ISS PBL24 END 161.038
HIERARCH ESO ISS PBLA24 START 359.651
HIERARCH ESO ISS PBLA24 END 359.773
HIERARCH ESO ISS PBL34 START 116.862
HIERARCH ESO ISS PBL34 END 116.986
HIERARCH ESO ISS PBLA34 START 315.596
HIERARCH ESO ISS PBLA34 END 315.72
HIERARCH ESO ISS AMBI TAU0 START 0.00816
HIERARCH ESO ISS AMBI TAU0 END 0.00816
HIERARCH ESO ISS AMBI TEMP 13.88
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55