Exposure
ID
PIONI.2024-06-02T03:41:52.776_1
Header ID
PIONI.2024-06-02T03:41:52.776
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 03:41:52.776
UTC End
2024-06-02 03:42:18.376
MJD Start
60463.1540830517
MJD End
60463.154379348
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00448
Ambient temperature (°C)
14.91
Seeing (arcsec)
0.73
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 55.7240 55.7270 8.2000 8.3000
U1-U3 99.7870 99.8010 13.8000 13.9000
U1-U4 117.8220 117.9090 40.6340 40.7450
U2-U3 44.6610 44.6720 20.8000 20.9000
U2-U4 76.8460 76.9440 63.5250 63.6240
U3-U4 53.4770 53.5530 98.0660 98.1170
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 60463.1540830517
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 55.724
HIERARCH ESO ISS PBL12 END 55.727
HIERARCH ESO ISS PBLA12 START 8.2
HIERARCH ESO ISS PBLA12 END 8.3
HIERARCH ESO ISS PBL13 START 99.787
HIERARCH ESO ISS PBL13 END 99.801
HIERARCH ESO ISS PBLA13 START 13.8
HIERARCH ESO ISS PBLA13 END 13.9
HIERARCH ESO ISS PBL14 START 117.822
HIERARCH ESO ISS PBL14 END 117.909
HIERARCH ESO ISS PBLA14 START 40.634
HIERARCH ESO ISS PBLA14 END 40.745
HIERARCH ESO ISS PBL23 START 44.661
HIERARCH ESO ISS PBL23 END 44.672
HIERARCH ESO ISS PBLA23 START 20.8
HIERARCH ESO ISS PBLA23 END 20.9
HIERARCH ESO ISS PBL24 START 76.846
HIERARCH ESO ISS PBL24 END 76.944
HIERARCH ESO ISS PBLA24 START 63.525
HIERARCH ESO ISS PBLA24 END 63.624
HIERARCH ESO ISS PBL34 START 53.477
HIERARCH ESO ISS PBL34 END 53.553
HIERARCH ESO ISS PBLA34 START 98.066
HIERARCH ESO ISS PBLA34 END 98.117
HIERARCH ESO ISS AMBI TAU0 START 0.00448
HIERARCH ESO ISS AMBI TAU0 END 0.00448
HIERARCH ESO ISS AMBI TEMP 14.91
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.73