Exposure
ID
PIONI.2025-12-03T08:30:17.890_1
Header ID
PIONI.2025-12-03T08:30:17.890
Date updated
2025-12-03 08:40:58 UTC+0000
Release date
2025-12-03 08:30:17 UTC+0000
UTC Start
2025-12-03 08:30:17.890
UTC End
2025-12-03 08:30:56.290
MJD Start
61012.3543737279
MJD End
61012.354818172345
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003395
Ambient temperature (°C)
13.75
Seeing (arcsec)
1.04
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 62.4380 62.2240 110.7000 110.7000
A0-J2 106.3620 106.1070 84.2000 84.1000
A0-K0 120.4870 120.3490 66.2020 66.1250
G1-J2 57.6920 57.6700 55.3000 55.2000
G1-K0 87.6750 87.7210 36.2430 36.2370
J2-K0 38.0940 38.1060 6.6680 6.7780
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 61012.3543737279
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 62.438
HIERARCH ESO ISS PBL12 END 62.224
HIERARCH ESO ISS PBLA12 START 110.7
HIERARCH ESO ISS PBLA12 END 110.7
HIERARCH ESO ISS PBL13 START 106.362
HIERARCH ESO ISS PBL13 END 106.107
HIERARCH ESO ISS PBLA13 START 84.2
HIERARCH ESO ISS PBLA13 END 84.1
HIERARCH ESO ISS PBL14 START 120.487
HIERARCH ESO ISS PBL14 END 120.349
HIERARCH ESO ISS PBLA14 START 66.202
HIERARCH ESO ISS PBLA14 END 66.125
HIERARCH ESO ISS PBL23 START 57.692
HIERARCH ESO ISS PBL23 END 57.67
HIERARCH ESO ISS PBLA23 START 55.3
HIERARCH ESO ISS PBLA23 END 55.2
HIERARCH ESO ISS PBL24 START 87.675
HIERARCH ESO ISS PBL24 END 87.721
HIERARCH ESO ISS PBLA24 START 36.243
HIERARCH ESO ISS PBLA24 END 36.237
HIERARCH ESO ISS PBL34 START 38.094
HIERARCH ESO ISS PBL34 END 38.106
HIERARCH ESO ISS PBLA34 START 6.668
HIERARCH ESO ISS PBLA34 END 6.778
HIERARCH ESO ISS AMBI TAU0 START 0.003456
HIERARCH ESO ISS AMBI TAU0 END 0.003334
HIERARCH ESO ISS AMBI TEMP 13.75
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 1.09