Exposure
ID
PIONI.2025-06-16T09:55:47.698_1
Header ID
PIONI.2025-06-16T09:55:47.698
Date updated
2025-06-16 10:02:05 UTC+0000
Release date
2025-06-16 09:55:47 UTC+0000
UTC Start
2025-06-16 09:55:47.698
UTC End
2025-06-16 09:56:26.098
MJD Start
60842.4137465069
MJD End
60842.41419095134
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003801
Ambient temperature (°C)
6.63
Seeing (arcsec)
0.81
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 90.1450 90.1180 113.3000 113.3000
A0-J2 128.5400 128.5870 92.9000 92.9000
A0-K0 123.2140 123.3310 73.0300 73.0390
G1-J2 54.1170 54.1810 57.4000 57.4000
G1-K0 79.7730 79.8400 26.0750 26.1660
J2-K0 43.7830 43.7640 346.0870 346.1760
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 60842.4137465069
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 90.145
HIERARCH ESO ISS PBL12 END 90.118
HIERARCH ESO ISS PBLA12 START 113.3
HIERARCH ESO ISS PBLA12 END 113.3
HIERARCH ESO ISS PBL13 START 128.54
HIERARCH ESO ISS PBL13 END 128.587
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 123.214
HIERARCH ESO ISS PBL14 END 123.331
HIERARCH ESO ISS PBLA14 START 73.03
HIERARCH ESO ISS PBLA14 END 73.039
HIERARCH ESO ISS PBL23 START 54.117
HIERARCH ESO ISS PBL23 END 54.181
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 57.4
HIERARCH ESO ISS PBL24 START 79.773
HIERARCH ESO ISS PBL24 END 79.84
HIERARCH ESO ISS PBLA24 START 26.075
HIERARCH ESO ISS PBLA24 END 26.166
HIERARCH ESO ISS PBL34 START 43.783
HIERARCH ESO ISS PBL34 END 43.764
HIERARCH ESO ISS PBLA34 START 346.087
HIERARCH ESO ISS PBLA34 END 346.176
HIERARCH ESO ISS AMBI TAU0 START 0.003801
HIERARCH ESO ISS AMBI TAU0 END 0.003801
HIERARCH ESO ISS AMBI TEMP 6.63
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81