Exposure
ID
PIONI.2025-10-12T07:17:32.067_1
Header ID
PIONI.2025-10-12T07:17:32.067
Date updated
2025-10-12 07:26:50 UTC+0000
Release date
2025-10-12 07:26:50 UTC+0000
UTC Start
2025-10-12 07:17:32.067
UTC End
2025-10-12 07:18:10.467
MJD Start
60960.303843366
MJD End
60960.30428781044
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0145655
Ambient temperature (°C)
12.33
Seeing (arcsec)
0.55
Observation
ID
70910
Category
science
Program ID
116.29DN.001
Program Title
TOWARD ACCURATE AND ASSUMPTION-FREE MODELING OF YSO DISKS
Program Type
Normal
PI / COI
GALLENNE / IBRAHIM / MONNIER
Target
ID
52618
Name
HD259431
RA
98.271046
DEC
10.3222
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.2240 48.2110 142.7000 142.7000
A0-J2 104.5240 104.7810 100.9000 100.8000
A0-J6 120.6710 120.7350 8.9120 9.0690
B5-J2 75.7530 76.0270 75.7000 75.8000
B5-J6 157.9140 157.8850 356.1720 356.2930
J2-J6 162.2930 162.2150 328.8510 328.8610
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.29DN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60960.303843366
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD259431
RA 98.271046
DEC 10.3222
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.224
HIERARCH ESO ISS PBL12 END 48.211
HIERARCH ESO ISS PBLA12 START 142.7
HIERARCH ESO ISS PBLA12 END 142.7
HIERARCH ESO ISS PBL13 START 104.524
HIERARCH ESO ISS PBL13 END 104.781
HIERARCH ESO ISS PBLA13 START 100.9
HIERARCH ESO ISS PBLA13 END 100.8
HIERARCH ESO ISS PBL14 START 120.671
HIERARCH ESO ISS PBL14 END 120.735
HIERARCH ESO ISS PBLA14 START 8.912
HIERARCH ESO ISS PBLA14 END 9.069
HIERARCH ESO ISS PBL23 START 75.753
HIERARCH ESO ISS PBL23 END 76.027
HIERARCH ESO ISS PBLA23 START 75.7
HIERARCH ESO ISS PBLA23 END 75.8
HIERARCH ESO ISS PBL24 START 157.914
HIERARCH ESO ISS PBL24 END 157.885
HIERARCH ESO ISS PBLA24 START 356.172
HIERARCH ESO ISS PBLA24 END 356.293
HIERARCH ESO ISS PBL34 START 162.293
HIERARCH ESO ISS PBL34 END 162.215
HIERARCH ESO ISS PBLA34 START 328.851
HIERARCH ESO ISS PBLA34 END 328.861
HIERARCH ESO ISS AMBI TAU0 START 0.0137
HIERARCH ESO ISS AMBI TAU0 END 0.015431
HIERARCH ESO ISS AMBI TEMP 12.33
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.53