Exposure
ID
PIONI.2024-06-02T03:41:15.042_1
Header ID
PIONI.2024-06-02T03:41:15.042
Date updated
2024-06-02 03:50:40 UTC+0000
Release date
2025-06-02 03:50:40 UTC+0000
UTC Start
2024-06-02 03:41:15.042
UTC End
2024-06-02 03:41:40.642
MJD Start
60463.1536463187
MJD End
60463.153942615
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004767
Ambient temperature (°C)
14.89
Seeing (arcsec)
0.65
Observation
ID
59484
Category
science
Program ID
111.24GV.002
Program Title
TRACING BINARITY OF HIGH-MASS STARS AT BIRTH WITH PIONIER
Program Type
Normal
PI / COI
KOUMPIA/ DE WIT/ OUDMAIJER/ SHENTON/ FROST/ KOUTOULAKI
Target
ID
44103
Name
NAME M 8E IR
RA
271.222559
DEC
-24.44493
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
FREE-H
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 55.7200 55.7230 8.1000 8.2000
U1-U3 99.7740 99.7870 13.7000 13.8000
U1-U4 117.7310 117.8180 40.5160 40.6280
U2-U3 44.6490 44.6600 20.7000 20.8000
U2-U4 76.7430 76.8410 63.4210 63.5200
U3-U4 53.3960 53.4720 98.0130 98.0630
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24GV.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60463.1536463187
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME NAME M 8E IR
RA 271.222559
DEC -24.44493
HIERARCH ESO INS OPTI2 NAME FREE
HIERARCH ESO INS OPTI2 ID FREE
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 55.72
HIERARCH ESO ISS PBL12 END 55.723
HIERARCH ESO ISS PBLA12 START 8.1
HIERARCH ESO ISS PBLA12 END 8.2
HIERARCH ESO ISS PBL13 START 99.774
HIERARCH ESO ISS PBL13 END 99.787
HIERARCH ESO ISS PBLA13 START 13.7
HIERARCH ESO ISS PBLA13 END 13.8
HIERARCH ESO ISS PBL14 START 117.731
HIERARCH ESO ISS PBL14 END 117.818
HIERARCH ESO ISS PBLA14 START 40.516
HIERARCH ESO ISS PBLA14 END 40.628
HIERARCH ESO ISS PBL23 START 44.649
HIERARCH ESO ISS PBL23 END 44.66
HIERARCH ESO ISS PBLA23 START 20.7
HIERARCH ESO ISS PBLA23 END 20.8
HIERARCH ESO ISS PBL24 START 76.743
HIERARCH ESO ISS PBL24 END 76.841
HIERARCH ESO ISS PBLA24 START 63.421
HIERARCH ESO ISS PBLA24 END 63.52
HIERARCH ESO ISS PBL34 START 53.396
HIERARCH ESO ISS PBL34 END 53.472
HIERARCH ESO ISS PBLA34 START 98.013
HIERARCH ESO ISS PBLA34 END 98.063
HIERARCH ESO ISS AMBI TAU0 START 0.005054
HIERARCH ESO ISS AMBI TAU0 END 0.00448
HIERARCH ESO ISS AMBI TEMP 14.89
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.73