Exposure
ID
PIONI.2025-01-08T05:07:49.708_1
Header ID
PIONI.2025-01-08T05:07:49.708
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 05:07:49.708
UTC End
2025-01-08 05:08:28.108
MJD Start
60683.213769767
MJD End
60683.21421421144
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007654
Ambient temperature (°C)
15.24
Seeing (arcsec)
0.52
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 28.0360 28.0920 103.4000 103.5000
A0-J2 119.0230 119.0650 35.6000 35.8000
A0-J6 146.1790 146.1920 353.8540 353.9880
B5-J2 111.4870 111.4930 22.1000 22.3000
B5-J6 157.7810 157.8300 344.2160 344.3350
J2-J6 97.8370 98.0080 299.7630 299.8880
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 60683.213769767
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 28.036
HIERARCH ESO ISS PBL12 END 28.092
HIERARCH ESO ISS PBLA12 START 103.4
HIERARCH ESO ISS PBLA12 END 103.5
HIERARCH ESO ISS PBL13 START 119.023
HIERARCH ESO ISS PBL13 END 119.065
HIERARCH ESO ISS PBLA13 START 35.6
HIERARCH ESO ISS PBLA13 END 35.8
HIERARCH ESO ISS PBL14 START 146.179
HIERARCH ESO ISS PBL14 END 146.192
HIERARCH ESO ISS PBLA14 START 353.854
HIERARCH ESO ISS PBLA14 END 353.988
HIERARCH ESO ISS PBL23 START 111.487
HIERARCH ESO ISS PBL23 END 111.493
HIERARCH ESO ISS PBLA23 START 22.1
HIERARCH ESO ISS PBLA23 END 22.3
HIERARCH ESO ISS PBL24 START 157.781
HIERARCH ESO ISS PBL24 END 157.83
HIERARCH ESO ISS PBLA24 START 344.216
HIERARCH ESO ISS PBLA24 END 344.335
HIERARCH ESO ISS PBL34 START 97.837
HIERARCH ESO ISS PBL34 END 98.008
HIERARCH ESO ISS PBLA34 START 299.763
HIERARCH ESO ISS PBLA34 END 299.888
HIERARCH ESO ISS AMBI TAU0 START 0.007654
HIERARCH ESO ISS AMBI TAU0 END 0.007654
HIERARCH ESO ISS AMBI TEMP 15.24
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52