Exposure
ID
PIONI.2025-10-30T06:13:24.226_1
Header ID
PIONI.2025-10-30T06:13:24.226
Date updated
2025-10-30 06:21:27 UTC+0000
Release date
2025-10-30 06:13:24 UTC+0000
UTC Start
2025-10-30 06:13:24.226
UTC End
2025-10-30 06:14:15.426
MJD Start
60978.2593081715
MJD End
60978.2599007641
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.006559000000000001
Ambient temperature (°C)
12.49
Seeing (arcsec)
0.39
Observation
ID
71063
Category
calibrator
Program ID
116.290A.002
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
52743
Name
HD 31413
RA
73.952633
DEC
1.14655
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 90.5050 90.5070 113.5000 113.5000
A0-J2 126.7430 126.8560 92.9000 92.8000
A0-K0 120.2060 120.3940 72.1100 72.1340
G1-J2 52.8100 52.9010 55.6000 55.7000
G1-K0 79.5050 79.5830 23.2630 23.3870
J2-K0 44.9250 44.9020 344.2500 344.3480
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.290A.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60978.2593081715
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 31413
RA 73.952633
DEC 1.14655
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 0.001
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.505
HIERARCH ESO ISS PBL12 END 90.507
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 126.743
HIERARCH ESO ISS PBL13 END 126.856
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 120.206
HIERARCH ESO ISS PBL14 END 120.394
HIERARCH ESO ISS PBLA14 START 72.11
HIERARCH ESO ISS PBLA14 END 72.134
HIERARCH ESO ISS PBL23 START 52.81
HIERARCH ESO ISS PBL23 END 52.901
HIERARCH ESO ISS PBLA23 START 55.6
HIERARCH ESO ISS PBLA23 END 55.7
HIERARCH ESO ISS PBL24 START 79.505
HIERARCH ESO ISS PBL24 END 79.583
HIERARCH ESO ISS PBLA24 START 23.263
HIERARCH ESO ISS PBLA24 END 23.387
HIERARCH ESO ISS PBL34 START 44.925
HIERARCH ESO ISS PBL34 END 44.902
HIERARCH ESO ISS PBLA34 START 344.25
HIERARCH ESO ISS PBLA34 END 344.348
HIERARCH ESO ISS AMBI TAU0 START 0.006982
HIERARCH ESO ISS AMBI TAU0 END 0.006136
HIERARCH ESO ISS AMBI TEMP 12.49
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.39