Exposure
ID
PIONI.2025-06-16T09:57:28.668_1
Header ID
PIONI.2025-06-16T09:57:28.668
Date updated
2025-06-16 10:06:01 UTC+0000
Release date
2025-06-16 09:57:28 UTC+0000
UTC Start
2025-06-16 09:57:28.668
UTC End
2025-06-16 09:58:07.068
MJD Start
60842.4149151389
MJD End
60842.41535958334
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003801
Ambient temperature (°C)
6.75
Seeing (arcsec)
0.815
Observation
ID
68129
Category
calibrator
Program ID
115.28F2.003
Program Title
WEIGHING THE STARS: HIGH-PRECISION MASSES OF F-TYPE MAIN-SEQUENCE BINARIES
Program Type
Normal
PI / COI
JONÁK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
50640
Name
HD220171
RA
350.43263
DEC
3.06035
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 90.0880 90.0590 113.3000 113.3000
A0-J2 128.6350 128.6780 92.9000 92.9000
A0-K0 123.4540 123.5690 73.0450 73.0460
G1-J2 54.2490 54.3130 57.5000 57.5000
G1-K0 79.9110 79.9780 26.2570 26.3390
J2-K0 43.7450 43.7270 346.2660 346.3470
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60842.4149151389
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD220171
RA 350.43263
DEC 3.06035
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 90.088
HIERARCH ESO ISS PBL12 END 90.059
HIERARCH ESO ISS PBLA12 START 113.3
HIERARCH ESO ISS PBLA12 END 113.3
HIERARCH ESO ISS PBL13 START 128.635
HIERARCH ESO ISS PBL13 END 128.678
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 123.454
HIERARCH ESO ISS PBL14 END 123.569
HIERARCH ESO ISS PBLA14 START 73.045
HIERARCH ESO ISS PBLA14 END 73.046
HIERARCH ESO ISS PBL23 START 54.249
HIERARCH ESO ISS PBL23 END 54.313
HIERARCH ESO ISS PBLA23 START 57.5
HIERARCH ESO ISS PBLA23 END 57.5
HIERARCH ESO ISS PBL24 START 79.911
HIERARCH ESO ISS PBL24 END 79.978
HIERARCH ESO ISS PBLA24 START 26.257
HIERARCH ESO ISS PBLA24 END 26.339
HIERARCH ESO ISS PBL34 START 43.745
HIERARCH ESO ISS PBL34 END 43.727
HIERARCH ESO ISS PBLA34 START 346.266
HIERARCH ESO ISS PBLA34 END 346.347
HIERARCH ESO ISS AMBI TAU0 START 0.003801
HIERARCH ESO ISS AMBI TAU0 END 0.003801
HIERARCH ESO ISS AMBI TEMP 6.75
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.82