Exposure
ID
PIONI.2025-12-03T08:08:16.180_1
Header ID
PIONI.2025-12-03T08:08:16.180
Date updated
2025-12-03 08:16:09 UTC+0000
Release date
2025-12-03 08:08:16 UTC+0000
UTC Start
2025-12-03 08:08:16.180
UTC End
2025-12-03 08:08:54.580
MJD Start
61012.33907616
MJD End
61012.339520604444
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0041849999999999995
Ambient temperature (°C)
13.54
Seeing (arcsec)
0.85
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 67.4710 67.2810 118.4000 118.5000
A0-J2 106.9890 106.7300 90.5000 90.5000
A0-K0 118.4580 118.2950 69.6640 69.6200
G1-J2 56.9440 56.9080 56.8000 56.8000
G1-K0 89.7000 89.7250 35.2180 35.2250
J2-K0 42.2910 42.2990 5.5420 5.6420
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 61012.33907616
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 67.471
HIERARCH ESO ISS PBL12 END 67.281
HIERARCH ESO ISS PBLA12 START 118.4
HIERARCH ESO ISS PBLA12 END 118.5
HIERARCH ESO ISS PBL13 START 106.989
HIERARCH ESO ISS PBL13 END 106.73
HIERARCH ESO ISS PBLA13 START 90.5
HIERARCH ESO ISS PBLA13 END 90.5
HIERARCH ESO ISS PBL14 START 118.458
HIERARCH ESO ISS PBL14 END 118.295
HIERARCH ESO ISS PBLA14 START 69.664
HIERARCH ESO ISS PBLA14 END 69.62
HIERARCH ESO ISS PBL23 START 56.944
HIERARCH ESO ISS PBL23 END 56.908
HIERARCH ESO ISS PBLA23 START 56.8
HIERARCH ESO ISS PBLA23 END 56.8
HIERARCH ESO ISS PBL24 START 89.7
HIERARCH ESO ISS PBL24 END 89.725
HIERARCH ESO ISS PBLA24 START 35.218
HIERARCH ESO ISS PBLA24 END 35.225
HIERARCH ESO ISS PBL34 START 42.291
HIERARCH ESO ISS PBL34 END 42.299
HIERARCH ESO ISS PBLA34 START 5.542
HIERARCH ESO ISS PBLA34 END 5.642
HIERARCH ESO ISS AMBI TAU0 START 0.004229
HIERARCH ESO ISS AMBI TAU0 END 0.004141
HIERARCH ESO ISS AMBI TEMP 13.54
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.86