Exposure
ID
PIONI.2025-06-16T08:52:53.880_1
Header ID
PIONI.2025-06-16T08:52:53.880
Date updated
2025-06-16 09:00:52 UTC+0000
Release date
2025-06-16 08:52:53 UTC+0000
UTC Start
2025-06-16 08:52:53.879
UTC End
2025-06-16 08:53:32.279
MJD Start
60842.3700680467
MJD End
60842.37051249114
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002068
Ambient temperature (°C)
6.73
Seeing (arcsec)
1.12
Observation
ID
68123
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
50634
Name
HD174423
RA
282.781074
DEC
-19.61614
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 73.5430 73.4320 140.9000 141.1000
A0-J2 97.2400 96.9750 112.0000 112.1000
A0-K0 99.0880 98.8170 83.4360 83.4860
G1-J2 48.4020 48.3040 64.8000 64.8000
G1-K0 85.9630 85.9050 37.2730 37.2910
J2-K0 48.4740 48.4760 9.8340 9.9180
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 60842.3700680467
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD174423
RA 282.781074
DEC -19.61614
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 73.543
HIERARCH ESO ISS PBL12 END 73.432
HIERARCH ESO ISS PBLA12 START 140.9
HIERARCH ESO ISS PBLA12 END 141.1
HIERARCH ESO ISS PBL13 START 97.24
HIERARCH ESO ISS PBL13 END 96.975
HIERARCH ESO ISS PBLA13 START 112.0
HIERARCH ESO ISS PBLA13 END 112.1
HIERARCH ESO ISS PBL14 START 99.088
HIERARCH ESO ISS PBL14 END 98.817
HIERARCH ESO ISS PBLA14 START 83.436
HIERARCH ESO ISS PBLA14 END 83.486
HIERARCH ESO ISS PBL23 START 48.402
HIERARCH ESO ISS PBL23 END 48.304
HIERARCH ESO ISS PBLA23 START 64.8
HIERARCH ESO ISS PBLA23 END 64.8
HIERARCH ESO ISS PBL24 START 85.963
HIERARCH ESO ISS PBL24 END 85.905
HIERARCH ESO ISS PBLA24 START 37.273
HIERARCH ESO ISS PBLA24 END 37.291
HIERARCH ESO ISS PBL34 START 48.474
HIERARCH ESO ISS PBL34 END 48.476
HIERARCH ESO ISS PBLA34 START 9.834
HIERARCH ESO ISS PBLA34 END 9.918
HIERARCH ESO ISS AMBI TAU0 START 0.002068
HIERARCH ESO ISS AMBI TAU0 END 0.002068
HIERARCH ESO ISS AMBI TEMP 6.73
HIERARCH ESO ISS AMBI FWHM START 1.31
HIERARCH ESO ISS AMBI FWHM END 0.93