Exposure
ID
PIONI.2025-12-03T08:09:06.524_1
Header ID
PIONI.2025-12-03T08:09:06.524
Date updated
2025-12-03 08:16:09 UTC+0000
Release date
2025-12-03 08:09:06 UTC+0000
UTC Start
2025-12-03 08:09:06.524
UTC End
2025-12-03 08:09:44.924
MJD Start
61012.3396588396
MJD End
61012.34010328404
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004149
Ambient temperature (°C)
13.59
Seeing (arcsec)
0.88
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 67.2740 67.0870 118.5000 118.6000
A0-J2 106.7200 106.4650 90.5000 90.5000
A0-K0 118.2890 118.1280 69.6180 69.5760
G1-J2 56.9060 56.8700 56.8000 56.7000
G1-K0 89.7260 89.7490 35.2250 35.2330
J2-K0 42.2990 42.3080 5.6460 5.7450
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 61012.3396588396
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 67.274
HIERARCH ESO ISS PBL12 END 67.087
HIERARCH ESO ISS PBLA12 START 118.5
HIERARCH ESO ISS PBLA12 END 118.6
HIERARCH ESO ISS PBL13 START 106.72
HIERARCH ESO ISS PBL13 END 106.465
HIERARCH ESO ISS PBLA13 START 90.5
HIERARCH ESO ISS PBLA13 END 90.5
HIERARCH ESO ISS PBL14 START 118.289
HIERARCH ESO ISS PBL14 END 118.128
HIERARCH ESO ISS PBLA14 START 69.618
HIERARCH ESO ISS PBLA14 END 69.576
HIERARCH ESO ISS PBL23 START 56.906
HIERARCH ESO ISS PBL23 END 56.87
HIERARCH ESO ISS PBLA23 START 56.8
HIERARCH ESO ISS PBLA23 END 56.7
HIERARCH ESO ISS PBL24 START 89.726
HIERARCH ESO ISS PBL24 END 89.749
HIERARCH ESO ISS PBLA24 START 35.225
HIERARCH ESO ISS PBLA24 END 35.233
HIERARCH ESO ISS PBL34 START 42.299
HIERARCH ESO ISS PBL34 END 42.308
HIERARCH ESO ISS PBLA34 START 5.646
HIERARCH ESO ISS PBLA34 END 5.745
HIERARCH ESO ISS AMBI TAU0 START 0.004141
HIERARCH ESO ISS AMBI TAU0 END 0.004157
HIERARCH ESO ISS AMBI TEMP 13.59
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.9