Exposure
ID
PIONI.2024-04-25T04:27:47.290_1
Header ID
PIONI.2024-04-25T04:27:47.290
Date updated
2024-04-25 04:35:23 UTC+0000
Release date
2025-04-25 04:35:22 UTC+0000
UTC Start
2024-04-25 04:27:47.289
UTC End
2024-04-25 04:29:04.089
MJD Start
60425.1859639962
MJD End
60425.1868528851
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.008213
Ambient temperature (°C)
15.82
Seeing (arcsec)
0.565
Observation
ID
58945
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
43633
Name
IRAS 17216-3801
RA
261.278812
DEC
-38.06698
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 56.4880 56.4890 358.9000 359.1000
U1-U3 102.3930 102.3930 3.3000 3.6000
U1-U4 121.5160 121.6110 24.0810 24.4040
U2-U3 46.2840 46.2890 8.8000 9.0000
U2-U4 74.4040 74.5710 42.9450 43.3060
U3-U4 44.4880 44.7010 78.6980 78.9750
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 60425.1859639962
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME IRAS 17216-3801
RA 261.278812
DEC -38.06698
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 76.8
HIERARCH ESO DET DIT 0.0015
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 56.488
HIERARCH ESO ISS PBL12 END 56.489
HIERARCH ESO ISS PBLA12 START 358.9
HIERARCH ESO ISS PBLA12 END 359.1
HIERARCH ESO ISS PBL13 START 102.393
HIERARCH ESO ISS PBL13 END 102.393
HIERARCH ESO ISS PBLA13 START 3.3
HIERARCH ESO ISS PBLA13 END 3.6
HIERARCH ESO ISS PBL14 START 121.516
HIERARCH ESO ISS PBL14 END 121.611
HIERARCH ESO ISS PBLA14 START 24.081
HIERARCH ESO ISS PBLA14 END 24.404
HIERARCH ESO ISS PBL23 START 46.284
HIERARCH ESO ISS PBL23 END 46.289
HIERARCH ESO ISS PBLA23 START 8.8
HIERARCH ESO ISS PBLA23 END 9.0
HIERARCH ESO ISS PBL24 START 74.404
HIERARCH ESO ISS PBL24 END 74.571
HIERARCH ESO ISS PBLA24 START 42.945
HIERARCH ESO ISS PBLA24 END 43.306
HIERARCH ESO ISS PBL34 START 44.488
HIERARCH ESO ISS PBL34 END 44.701
HIERARCH ESO ISS PBLA34 START 78.698
HIERARCH ESO ISS PBLA34 END 78.975
HIERARCH ESO ISS AMBI TAU0 START 0.008182
HIERARCH ESO ISS AMBI TAU0 END 0.008244
HIERARCH ESO ISS AMBI TEMP 15.82
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.56