Exposure
ID
PIONI.2025-12-03T08:31:08.007_1
Header ID
PIONI.2025-12-03T08:31:08.007
Date updated
2025-12-03 08:40:58 UTC+0000
Release date
2025-12-03 08:31:08 UTC+0000
UTC Start
2025-12-03 08:31:08.008
UTC End
2025-12-03 08:31:46.408
MJD Start
61012.354953791
MJD End
61012.35539823544
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003334
Ambient temperature (°C)
13.76
Seeing (arcsec)
1.09
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 62.2200 62.0060 110.7000 110.8000
A0-J2 106.1010 105.8450 84.1000 84.1000
A0-K0 120.3460 120.2070 66.1260 66.0490
G1-J2 57.6690 57.6460 55.2000 55.1000
G1-K0 87.7220 87.7670 36.2380 36.2320
J2-K0 38.1070 38.1190 6.7820 6.8920
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 61012.354953791
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 62.22
HIERARCH ESO ISS PBL12 END 62.006
HIERARCH ESO ISS PBLA12 START 110.7
HIERARCH ESO ISS PBLA12 END 110.8
HIERARCH ESO ISS PBL13 START 106.101
HIERARCH ESO ISS PBL13 END 105.845
HIERARCH ESO ISS PBLA13 START 84.1
HIERARCH ESO ISS PBLA13 END 84.1
HIERARCH ESO ISS PBL14 START 120.346
HIERARCH ESO ISS PBL14 END 120.207
HIERARCH ESO ISS PBLA14 START 66.126
HIERARCH ESO ISS PBLA14 END 66.049
HIERARCH ESO ISS PBL23 START 57.669
HIERARCH ESO ISS PBL23 END 57.646
HIERARCH ESO ISS PBLA23 START 55.2
HIERARCH ESO ISS PBLA23 END 55.1
HIERARCH ESO ISS PBL24 START 87.722
HIERARCH ESO ISS PBL24 END 87.767
HIERARCH ESO ISS PBLA24 START 36.238
HIERARCH ESO ISS PBLA24 END 36.232
HIERARCH ESO ISS PBL34 START 38.107
HIERARCH ESO ISS PBL34 END 38.119
HIERARCH ESO ISS PBLA34 START 6.782
HIERARCH ESO ISS PBLA34 END 6.892
HIERARCH ESO ISS AMBI TAU0 START 0.003334
HIERARCH ESO ISS AMBI TAU0 END 0.003334
HIERARCH ESO ISS AMBI TEMP 13.76
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.09