Exposure
ID
PIONI.2025-12-03T08:32:49.031_1
Header ID
PIONI.2025-12-03T08:32:49.031
Date updated
2025-12-03 08:40:58 UTC+0000
Release date
2025-12-03 08:32:49 UTC+0000
UTC Start
2025-12-03 08:32:49.031
UTC End
2025-12-03 08:33:27.431
MJD Start
61012.3561230442
MJD End
61012.35656748864
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003506
Ambient temperature (°C)
13.82
Seeing (arcsec)
0.96
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 61.7770 61.5620 110.8000 110.8000
A0-J2 105.5720 105.3130 84.0000 83.9000
A0-K0 120.0580 119.9170 65.9690 65.8950
G1-J2 57.6210 57.5960 55.1000 55.0000
G1-K0 87.8150 87.8600 36.2260 36.2220
J2-K0 38.1330 38.1450 7.0100 7.1230
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 61012.3561230442
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 61.777
HIERARCH ESO ISS PBL12 END 61.562
HIERARCH ESO ISS PBLA12 START 110.8
HIERARCH ESO ISS PBLA12 END 110.8
HIERARCH ESO ISS PBL13 START 105.572
HIERARCH ESO ISS PBL13 END 105.313
HIERARCH ESO ISS PBLA13 START 84.0
HIERARCH ESO ISS PBLA13 END 83.9
HIERARCH ESO ISS PBL14 START 120.058
HIERARCH ESO ISS PBL14 END 119.917
HIERARCH ESO ISS PBLA14 START 65.969
HIERARCH ESO ISS PBLA14 END 65.895
HIERARCH ESO ISS PBL23 START 57.621
HIERARCH ESO ISS PBL23 END 57.596
HIERARCH ESO ISS PBLA23 START 55.1
HIERARCH ESO ISS PBLA23 END 55.0
HIERARCH ESO ISS PBL24 START 87.815
HIERARCH ESO ISS PBL24 END 87.86
HIERARCH ESO ISS PBLA24 START 36.226
HIERARCH ESO ISS PBLA24 END 36.222
HIERARCH ESO ISS PBL34 START 38.133
HIERARCH ESO ISS PBL34 END 38.145
HIERARCH ESO ISS PBLA34 START 7.01
HIERARCH ESO ISS PBLA34 END 7.123
HIERARCH ESO ISS AMBI TAU0 START 0.003506
HIERARCH ESO ISS AMBI TAU0 END 0.003506
HIERARCH ESO ISS AMBI TEMP 13.82
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 0.96