Exposure
ID
PIONI.2025-10-29T07:10:46.102_1
Header ID
PIONI.2025-10-29T07:10:46.102
Date updated
2025-10-29 07:20:42 UTC+0000
Release date
2025-10-29 07:10:46 UTC+0000
UTC Start
2025-10-29 07:10:46.102
UTC End
2025-10-29 07:12:28.502
MJD Start
60977.2991446974
MJD End
60977.300329882586
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.009692
Ambient temperature (°C)
12.64
Seeing (arcsec)
0.49
Observation
ID
71047
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
52727
Name
HD 34446
RA
79.365247
DEC
-0.34591
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 89.9690 89.8920 113.7000 113.7000
A0-J2 129.0120 129.0710 92.6000 92.6000
A0-K0 125.1780 125.3850 72.3380 72.3710
G1-J2 55.5510 55.6710 56.8000 56.9000
G1-K0 82.7940 82.9290 26.4530 26.6430
J2-K0 44.7660 44.7320 347.6030 347.8040
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 60977.2991446974
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 34446
RA 79.365247
DEC -0.34591
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 0.002
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 89.969
HIERARCH ESO ISS PBL12 END 89.892
HIERARCH ESO ISS PBLA12 START 113.7
HIERARCH ESO ISS PBLA12 END 113.7
HIERARCH ESO ISS PBL13 START 129.012
HIERARCH ESO ISS PBL13 END 129.071
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 125.178
HIERARCH ESO ISS PBL14 END 125.385
HIERARCH ESO ISS PBLA14 START 72.338
HIERARCH ESO ISS PBLA14 END 72.371
HIERARCH ESO ISS PBL23 START 55.551
HIERARCH ESO ISS PBL23 END 55.671
HIERARCH ESO ISS PBLA23 START 56.8
HIERARCH ESO ISS PBLA23 END 56.9
HIERARCH ESO ISS PBL24 START 82.794
HIERARCH ESO ISS PBL24 END 82.929
HIERARCH ESO ISS PBLA24 START 26.453
HIERARCH ESO ISS PBLA24 END 26.643
HIERARCH ESO ISS PBL34 START 44.766
HIERARCH ESO ISS PBL34 END 44.732
HIERARCH ESO ISS PBLA34 START 347.603
HIERARCH ESO ISS PBLA34 END 347.804
HIERARCH ESO ISS AMBI TAU0 START 0.008281
HIERARCH ESO ISS AMBI TAU0 END 0.011103
HIERARCH ESO ISS AMBI TEMP 12.64
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.48