Exposure
ID
PIONI.2025-12-03T08:31:58.453_1
Header ID
PIONI.2025-12-03T08:31:58.453
Date updated
2025-12-03 08:40:58 UTC+0000
Release date
2025-12-03 08:31:58 UTC+0000
UTC Start
2025-12-03 08:31:58.453
UTC End
2025-12-03 08:32:36.853
MJD Start
61012.3555376511
MJD End
61012.35598209554
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0034200000000000003
Ambient temperature (°C)
13.78
Seeing (arcsec)
1.025
Observation
ID
71971
Category
calibrator
Program ID
116.290A.001
Program Title
CONSTRAINING ASTEROSEISMIC MODELS OF MASSIVE OB STARS USING HIGH-PRECISION INTERFEROMETRY
Program Type
Normal
PI / COI
VRANCKEN / DESHMUKH / SANA / TKACHENKO / AERTS / KLIAPETS
Target
ID
53432
Name
HD 44318
RA
95.436186
DEC
12.8619
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 61.9970 61.7820 110.8000 110.8000
A0-J2 105.8350 105.5770 84.1000 84.0000
A0-K0 120.2010 120.0610 66.0460 65.9720
G1-J2 57.6450 57.6210 55.1000 55.1000
G1-K0 87.7690 87.8140 36.2310 36.2280
J2-K0 38.1200 38.1320 6.8960 7.0090
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.290A.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 61012.3555376511
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 44318
RA 95.436186
DEC 12.8619
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 61.997
HIERARCH ESO ISS PBL12 END 61.782
HIERARCH ESO ISS PBLA12 START 110.8
HIERARCH ESO ISS PBLA12 END 110.8
HIERARCH ESO ISS PBL13 START 105.835
HIERARCH ESO ISS PBL13 END 105.577
HIERARCH ESO ISS PBLA13 START 84.1
HIERARCH ESO ISS PBLA13 END 84.0
HIERARCH ESO ISS PBL14 START 120.201
HIERARCH ESO ISS PBL14 END 120.061
HIERARCH ESO ISS PBLA14 START 66.046
HIERARCH ESO ISS PBLA14 END 65.972
HIERARCH ESO ISS PBL23 START 57.645
HIERARCH ESO ISS PBL23 END 57.621
HIERARCH ESO ISS PBLA23 START 55.1
HIERARCH ESO ISS PBLA23 END 55.1
HIERARCH ESO ISS PBL24 START 87.769
HIERARCH ESO ISS PBL24 END 87.814
HIERARCH ESO ISS PBLA24 START 36.231
HIERARCH ESO ISS PBLA24 END 36.228
HIERARCH ESO ISS PBL34 START 38.12
HIERARCH ESO ISS PBL34 END 38.132
HIERARCH ESO ISS PBLA34 START 6.896
HIERARCH ESO ISS PBLA34 END 7.009
HIERARCH ESO ISS AMBI TAU0 START 0.003334
HIERARCH ESO ISS AMBI TAU0 END 0.003506
HIERARCH ESO ISS AMBI TEMP 13.78
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 0.96