Exposure
ID
PIONI.2025-11-02T08:04:39.492_1
Header ID
PIONI.2025-11-02T08:04:39.492
Date updated
2025-11-02 08:15:38 UTC+0000
Release date
2026-11-02 08:15:38 UTC+0000
UTC Start
2025-11-02 08:04:39.492
UTC End
2025-11-02 08:05:30.692
MJD Start
60981.3365681898
MJD End
60981.337160782394
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.005683
Ambient temperature (°C)
10.6
Seeing (arcsec)
0.575
Observation
ID
71092
Category
science
Program ID
116.292S.002
Program Title
CONSTRAINING THE COSMIC DANCE OF MASSIVE STARS IN TRIPLE SYSTEMS
Program Type
Normal
PI / COI
MAHY / SANA / LE BOUQUIN / FROST / BORDIER
Target
ID
52772
Name
CD-47_4551
RA
134.475876
DEC
-47.73767
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 71.8220 71.9860 84.4000 84.6000
A0-J2 113.9270 114.0830 59.0000 59.2000
A0-K0 123.0940 123.1600 39.4620 39.6860
G1-J2 57.9260 57.9340 26.8000 27.0000
G1-K0 88.2360 88.2310 4.3980 4.5460
J2-K0 41.1310 41.1680 331.9030 331.9950
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.292S.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60981.3365681898
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME CD-47_4551
RA 134.475876
DEC -47.73767
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.001
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 71.822
HIERARCH ESO ISS PBL12 END 71.986
HIERARCH ESO ISS PBLA12 START 84.4
HIERARCH ESO ISS PBLA12 END 84.6
HIERARCH ESO ISS PBL13 START 113.927
HIERARCH ESO ISS PBL13 END 114.083
HIERARCH ESO ISS PBLA13 START 59.0
HIERARCH ESO ISS PBLA13 END 59.2
HIERARCH ESO ISS PBL14 START 123.094
HIERARCH ESO ISS PBL14 END 123.16
HIERARCH ESO ISS PBLA14 START 39.462
HIERARCH ESO ISS PBLA14 END 39.686
HIERARCH ESO ISS PBL23 START 57.926
HIERARCH ESO ISS PBL23 END 57.934
HIERARCH ESO ISS PBLA23 START 26.8
HIERARCH ESO ISS PBLA23 END 27.0
HIERARCH ESO ISS PBL24 START 88.236
HIERARCH ESO ISS PBL24 END 88.231
HIERARCH ESO ISS PBLA24 START 4.398
HIERARCH ESO ISS PBLA24 END 4.546
HIERARCH ESO ISS PBL34 START 41.131
HIERARCH ESO ISS PBL34 END 41.168
HIERARCH ESO ISS PBLA34 START 331.903
HIERARCH ESO ISS PBLA34 END 331.995
HIERARCH ESO ISS AMBI TAU0 START 0.006102
HIERARCH ESO ISS AMBI TAU0 END 0.005264
HIERARCH ESO ISS AMBI TEMP 10.6
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.62