Exposure
ID
PIONI.2025-12-03T08:33:39.609_1
Header ID
PIONI.2025-12-03T08:33:39.609
Date updated
2025-12-03 08:40:58 UTC+0000
Release date
2025-12-03 08:33:39 UTC+0000
UTC Start
2025-12-03 08:33:39.609
UTC End
2025-12-03 08:34:18.009
MJD Start
61012.3567084377
MJD End
61012.35715288214
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003198
Ambient temperature (°C)
13.83
Seeing (arcsec)
1.05
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 61.5530 61.3370 110.8000 110.9000
A0-J2 105.3020 105.0420 83.9000 83.9000
A0-K0 119.9110 119.7680 65.8920 65.8140
G1-J2 57.5950 57.5710 55.0000 54.9000
G1-K0 87.8610 87.9060 36.2220 36.2140
J2-K0 38.1460 38.1590 7.1280 7.2370
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 61012.3567084377
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 61.553
HIERARCH ESO ISS PBL12 END 61.337
HIERARCH ESO ISS PBLA12 START 110.8
HIERARCH ESO ISS PBLA12 END 110.9
HIERARCH ESO ISS PBL13 START 105.302
HIERARCH ESO ISS PBL13 END 105.042
HIERARCH ESO ISS PBLA13 START 83.9
HIERARCH ESO ISS PBLA13 END 83.9
HIERARCH ESO ISS PBL14 START 119.911
HIERARCH ESO ISS PBL14 END 119.768
HIERARCH ESO ISS PBLA14 START 65.892
HIERARCH ESO ISS PBLA14 END 65.814
HIERARCH ESO ISS PBL23 START 57.595
HIERARCH ESO ISS PBL23 END 57.571
HIERARCH ESO ISS PBLA23 START 55.0
HIERARCH ESO ISS PBLA23 END 54.9
HIERARCH ESO ISS PBL24 START 87.861
HIERARCH ESO ISS PBL24 END 87.906
HIERARCH ESO ISS PBLA24 START 36.222
HIERARCH ESO ISS PBLA24 END 36.214
HIERARCH ESO ISS PBL34 START 38.146
HIERARCH ESO ISS PBL34 END 38.159
HIERARCH ESO ISS PBLA34 START 7.128
HIERARCH ESO ISS PBLA34 END 7.237
HIERARCH ESO ISS AMBI TAU0 START 0.003198
HIERARCH ESO ISS AMBI TAU0 END 0.003198
HIERARCH ESO ISS AMBI TEMP 13.83
HIERARCH ESO ISS AMBI FWHM START 1.05
HIERARCH ESO ISS AMBI FWHM END 1.05