Exposure
ID
PIONI.2024-04-25T04:03:08.482_1
Header ID
PIONI.2024-04-25T04:03:08.482
Date updated
2024-04-25 04:10:36 UTC+0000
Release date
2024-04-25 04:03:08 UTC+0000
UTC Start
2024-04-25 04:03:08.482
UTC End
2024-04-25 04:03:59.682
MJD Start
60425.1688481695
MJD End
60425.1694407621
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.01362
Ambient temperature (°C)
16.08
Seeing (arcsec)
0.44
Observation
ID
58944
Category
calibrator
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
43632
Name
HD 156688
RA
260.180308
DEC
-38.02074
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 56.4810 56.4820 356.0000 356.1000
U1-U3 102.3840 102.3840 0.1000 0.3000
U1-U4 120.2290 120.2880 19.4660 19.7050
U2-U3 46.2290 46.2310 5.1000 5.3000
U2-U4 72.0560 72.1710 37.6930 37.9710
U3-U4 41.4010 41.5610 74.6340 74.8540
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24GV.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60425.1688481695
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 156688
RA 260.180308
DEC -38.02074
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 51.2
HIERARCH ESO DET DIT 0.001
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 56.481
HIERARCH ESO ISS PBL12 END 56.482
HIERARCH ESO ISS PBLA12 START 356.0
HIERARCH ESO ISS PBLA12 END 356.1
HIERARCH ESO ISS PBL13 START 102.384
HIERARCH ESO ISS PBL13 END 102.384
HIERARCH ESO ISS PBLA13 START 0.1
HIERARCH ESO ISS PBLA13 END 0.3
HIERARCH ESO ISS PBL14 START 120.229
HIERARCH ESO ISS PBL14 END 120.288
HIERARCH ESO ISS PBLA14 START 19.466
HIERARCH ESO ISS PBLA14 END 19.705
HIERARCH ESO ISS PBL23 START 46.229
HIERARCH ESO ISS PBL23 END 46.231
HIERARCH ESO ISS PBLA23 START 5.1
HIERARCH ESO ISS PBLA23 END 5.3
HIERARCH ESO ISS PBL24 START 72.056
HIERARCH ESO ISS PBL24 END 72.171
HIERARCH ESO ISS PBLA24 START 37.693
HIERARCH ESO ISS PBLA24 END 37.971
HIERARCH ESO ISS PBL34 START 41.401
HIERARCH ESO ISS PBL34 END 41.561
HIERARCH ESO ISS PBLA34 START 74.634
HIERARCH ESO ISS PBLA34 END 74.854
HIERARCH ESO ISS AMBI TAU0 START 0.01362
HIERARCH ESO ISS AMBI TAU0 END 0.01362
HIERARCH ESO ISS AMBI TEMP 16.08
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.44