Exposure
ID
PIONI.2025-10-12T07:15:51.190_1
Header ID
PIONI.2025-10-12T07:15:51.190
Date updated
2025-10-12 07:21:17 UTC+0000
Release date
2025-10-12 07:21:16 UTC+0000
UTC Start
2025-10-12 07:15:51.190
UTC End
2025-10-12 07:16:29.590
MJD Start
60960.3026758088
MJD End
60960.303120253244
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0149445
Ambient temperature (°C)
12.3
Seeing (arcsec)
0.5449999999999999
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 48.2520 48.2390 142.7000 142.7000
A0-J2 103.9810 104.2400 101.0000 100.9000
A0-J6 120.5400 120.6010 8.5830 8.7400
B5-J2 75.1720 75.4480 75.7000 75.7000
B5-J6 157.9770 157.9460 355.9190 356.0400
J2-J6 162.4540 162.3780 328.8340 328.8430
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 60960.3026758088
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 48.252
HIERARCH ESO ISS PBL12 END 48.239
HIERARCH ESO ISS PBLA12 START 142.7
HIERARCH ESO ISS PBLA12 END 142.7
HIERARCH ESO ISS PBL13 START 103.981
HIERARCH ESO ISS PBL13 END 104.24
HIERARCH ESO ISS PBLA13 START 101.0
HIERARCH ESO ISS PBLA13 END 100.9
HIERARCH ESO ISS PBL14 START 120.54
HIERARCH ESO ISS PBL14 END 120.601
HIERARCH ESO ISS PBLA14 START 8.583
HIERARCH ESO ISS PBLA14 END 8.74
HIERARCH ESO ISS PBL23 START 75.172
HIERARCH ESO ISS PBL23 END 75.448
HIERARCH ESO ISS PBLA23 START 75.7
HIERARCH ESO ISS PBLA23 END 75.7
HIERARCH ESO ISS PBL24 START 157.977
HIERARCH ESO ISS PBL24 END 157.946
HIERARCH ESO ISS PBLA24 START 355.919
HIERARCH ESO ISS PBLA24 END 356.04
HIERARCH ESO ISS PBL34 START 162.454
HIERARCH ESO ISS PBL34 END 162.378
HIERARCH ESO ISS PBLA34 START 328.834
HIERARCH ESO ISS PBLA34 END 328.843
HIERARCH ESO ISS AMBI TAU0 START 0.016189
HIERARCH ESO ISS AMBI TAU0 END 0.0137
HIERARCH ESO ISS AMBI TEMP 12.3
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.57