Exposure
ID
PIONI.2025-10-30T06:10:14.095_1
Header ID
PIONI.2025-10-30T06:10:14.095
Date updated
2025-10-30 06:21:27 UTC+0000
Release date
2025-10-30 06:10:14 UTC+0000
UTC Start
2025-10-30 06:10:14.095
UTC End
2025-10-30 06:11:05.295
MJD Start
60978.2571075838
MJD End
60978.25770017639
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.006335
Ambient temperature (°C)
12.44
Seeing (arcsec)
0.435
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 90.4890 90.4950 113.5000 113.5000
A0-J2 126.3820 126.5000 92.9000 92.9000
A0-K0 119.6170 119.8090 72.0350 72.0600
G1-J2 52.5260 52.6180 55.4000 55.5000
G1-K0 79.2700 79.3450 22.8800 23.0040
J2-K0 44.9950 44.9730 343.9500 344.0460
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 60978.2571075838
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 90.489
HIERARCH ESO ISS PBL12 END 90.495
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 126.382
HIERARCH ESO ISS PBL13 END 126.5
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 119.617
HIERARCH ESO ISS PBL14 END 119.809
HIERARCH ESO ISS PBLA14 START 72.035
HIERARCH ESO ISS PBLA14 END 72.06
HIERARCH ESO ISS PBL23 START 52.526
HIERARCH ESO ISS PBL23 END 52.618
HIERARCH ESO ISS PBLA23 START 55.4
HIERARCH ESO ISS PBLA23 END 55.5
HIERARCH ESO ISS PBL24 START 79.27
HIERARCH ESO ISS PBL24 END 79.345
HIERARCH ESO ISS PBLA24 START 22.88
HIERARCH ESO ISS PBLA24 END 23.004
HIERARCH ESO ISS PBL34 START 44.995
HIERARCH ESO ISS PBL34 END 44.973
HIERARCH ESO ISS PBLA34 START 343.95
HIERARCH ESO ISS PBLA34 END 344.046
HIERARCH ESO ISS AMBI TAU0 START 0.005893
HIERARCH ESO ISS AMBI TAU0 END 0.006777
HIERARCH ESO ISS AMBI TEMP 12.44
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.43