Exposure
ID
PIONI.2025-12-03T08:10:47.266_1
Header ID
PIONI.2025-12-03T08:10:47.266
Date updated
2025-12-03 08:21:08 UTC+0000
Release date
2025-12-03 08:10:47 UTC+0000
UTC Start
2025-12-03 08:10:47.266
UTC End
2025-12-03 08:11:25.666
MJD Start
61012.340824842
MJD End
61012.341269286444
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004157
Ambient temperature (°C)
13.72
Seeing (arcsec)
0.72
Observation
ID
71969
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
53430
Name
HD 41165
RA
90.857436
DEC
3.86207
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 66.8810 66.6940 118.6000 118.7000
A0-J2 106.1810 105.9240 90.5000 90.4000
A0-K0 117.9500 117.7870 69.5300 69.4870
G1-J2 56.8290 56.7920 56.7000 56.6000
G1-K0 89.7740 89.7970 35.2420 35.2490
J2-K0 42.3170 42.3260 5.8570 5.9560
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 61012.340824842
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 41165
RA 90.857436
DEC 3.86207
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 66.881
HIERARCH ESO ISS PBL12 END 66.694
HIERARCH ESO ISS PBLA12 START 118.6
HIERARCH ESO ISS PBLA12 END 118.7
HIERARCH ESO ISS PBL13 START 106.181
HIERARCH ESO ISS PBL13 END 105.924
HIERARCH ESO ISS PBLA13 START 90.5
HIERARCH ESO ISS PBLA13 END 90.4
HIERARCH ESO ISS PBL14 START 117.95
HIERARCH ESO ISS PBL14 END 117.787
HIERARCH ESO ISS PBLA14 START 69.53
HIERARCH ESO ISS PBLA14 END 69.487
HIERARCH ESO ISS PBL23 START 56.829
HIERARCH ESO ISS PBL23 END 56.792
HIERARCH ESO ISS PBLA23 START 56.7
HIERARCH ESO ISS PBLA23 END 56.6
HIERARCH ESO ISS PBL24 START 89.774
HIERARCH ESO ISS PBL24 END 89.797
HIERARCH ESO ISS PBLA24 START 35.242
HIERARCH ESO ISS PBLA24 END 35.249
HIERARCH ESO ISS PBL34 START 42.317
HIERARCH ESO ISS PBL34 END 42.326
HIERARCH ESO ISS PBLA34 START 5.857
HIERARCH ESO ISS PBLA34 END 5.956
HIERARCH ESO ISS AMBI TAU0 START 0.004157
HIERARCH ESO ISS AMBI TAU0 END 0.004157
HIERARCH ESO ISS AMBI TEMP 13.72
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.72