Exposure
ID
PIONI.2025-11-02T08:06:46.202_1
Header ID
PIONI.2025-11-02T08:06:46.202
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 08:06:46.202
UTC End
2025-11-02 08:07:37.402
MJD Start
60981.3380347467
MJD End
60981.3386273393
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.005161
Ambient temperature (°C)
10.6
Seeing (arcsec)
0.635
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 72.1590 72.3240 84.8000 85.0000
A0-J2 114.2490 114.4060 59.4000 59.7000
A0-K0 123.2310 123.2980 39.9280 40.1580
G1-J2 57.9420 57.9500 27.2000 27.5000
G1-K0 88.2260 88.2210 4.7080 4.8600
J2-K0 41.2060 41.2430 332.0970 332.1930
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 60981.3380347467
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 72.159
HIERARCH ESO ISS PBL12 END 72.324
HIERARCH ESO ISS PBLA12 START 84.8
HIERARCH ESO ISS PBLA12 END 85.0
HIERARCH ESO ISS PBL13 START 114.249
HIERARCH ESO ISS PBL13 END 114.406
HIERARCH ESO ISS PBLA13 START 59.4
HIERARCH ESO ISS PBLA13 END 59.7
HIERARCH ESO ISS PBL14 START 123.231
HIERARCH ESO ISS PBL14 END 123.298
HIERARCH ESO ISS PBLA14 START 39.928
HIERARCH ESO ISS PBLA14 END 40.158
HIERARCH ESO ISS PBL23 START 57.942
HIERARCH ESO ISS PBL23 END 57.95
HIERARCH ESO ISS PBLA23 START 27.2
HIERARCH ESO ISS PBLA23 END 27.5
HIERARCH ESO ISS PBL24 START 88.226
HIERARCH ESO ISS PBL24 END 88.221
HIERARCH ESO ISS PBLA24 START 4.708
HIERARCH ESO ISS PBLA24 END 4.86
HIERARCH ESO ISS PBL34 START 41.206
HIERARCH ESO ISS PBL34 END 41.243
HIERARCH ESO ISS PBLA34 START 332.097
HIERARCH ESO ISS PBLA34 END 332.193
HIERARCH ESO ISS AMBI TAU0 START 0.005264
HIERARCH ESO ISS AMBI TAU0 END 0.005058
HIERARCH ESO ISS AMBI TEMP 10.6
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.65