Exposure
ID
PIONI.2025-07-23T07:36:55.001_1
Header ID
PIONI.2025-07-23T07:36:55.001
Date updated
2025-07-23 07:45:45 UTC+0000
Release date
2025-07-23 07:36:55 UTC+0000
UTC Start
2025-07-23 07:36:55.001
UTC End
2025-07-23 07:37:33.401
MJD Start
60879.3173032538
MJD End
60879.317747698246
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005424
Ambient temperature (°C)
12.85
Seeing (arcsec)
0.38
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 89.9000 89.8650 113.3000 113.3000
A0-J2 128.8710 128.9050 92.8000 92.8000
A0-K0 124.1180 124.2240 73.0730 73.0720
G1-J2 54.6220 54.6820 57.7000 57.7000
G1-K0 80.3110 80.3780 26.7680 26.8470
J2-K0 43.6370 43.6200 346.7830 346.8660
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 60879.3173032538
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 89.9
HIERARCH ESO ISS PBL12 END 89.865
HIERARCH ESO ISS PBLA12 START 113.3
HIERARCH ESO ISS PBLA12 END 113.3
HIERARCH ESO ISS PBL13 START 128.871
HIERARCH ESO ISS PBL13 END 128.905
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 124.118
HIERARCH ESO ISS PBL14 END 124.224
HIERARCH ESO ISS PBLA14 START 73.073
HIERARCH ESO ISS PBLA14 END 73.072
HIERARCH ESO ISS PBL23 START 54.622
HIERARCH ESO ISS PBL23 END 54.682
HIERARCH ESO ISS PBLA23 START 57.7
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 80.311
HIERARCH ESO ISS PBL24 END 80.378
HIERARCH ESO ISS PBLA24 START 26.768
HIERARCH ESO ISS PBLA24 END 26.847
HIERARCH ESO ISS PBL34 START 43.637
HIERARCH ESO ISS PBL34 END 43.62
HIERARCH ESO ISS PBLA34 START 346.783
HIERARCH ESO ISS PBLA34 END 346.866
HIERARCH ESO ISS AMBI TAU0 START 0.005424
HIERARCH ESO ISS AMBI TAU0 END 0.005424
HIERARCH ESO ISS AMBI TEMP 12.85
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.4