Exposure
ID
PIONI.2025-07-19T06:48:58.926_1
Header ID
PIONI.2025-07-19T06:48:58.926
Date updated
2025-07-19 06:55:42 UTC+0000
Release date
2025-07-19 06:48:58 UTC+0000
UTC Start
2025-07-19 06:48:58.926
UTC End
2025-07-19 06:49:37.326
MJD Start
60875.2840153514
MJD End
60875.28445979584
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003284
Ambient temperature (°C)
12.9
Seeing (arcsec)
1.14
Observation
ID
68860
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
51229
Name
HD174423
RA
282.781074
DEC
-19.61615
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 72.7480 72.6370 142.2000 142.4000
A0-J2 95.3280 95.0580 113.0000 113.1000
A0-K0 97.1280 96.8490 83.7970 83.8480
G1-J2 47.6880 47.5860 64.8000 64.9000
G1-K0 85.5420 85.4820 37.3940 37.4100
J2-K0 48.4910 48.4940 10.4350 10.5190
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 60875.2840153514
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD174423
RA 282.781074
DEC -19.61615
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 72.748
HIERARCH ESO ISS PBL12 END 72.637
HIERARCH ESO ISS PBLA12 START 142.2
HIERARCH ESO ISS PBLA12 END 142.4
HIERARCH ESO ISS PBL13 START 95.328
HIERARCH ESO ISS PBL13 END 95.058
HIERARCH ESO ISS PBLA13 START 113.0
HIERARCH ESO ISS PBLA13 END 113.1
HIERARCH ESO ISS PBL14 START 97.128
HIERARCH ESO ISS PBL14 END 96.849
HIERARCH ESO ISS PBLA14 START 83.797
HIERARCH ESO ISS PBLA14 END 83.848
HIERARCH ESO ISS PBL23 START 47.688
HIERARCH ESO ISS PBL23 END 47.586
HIERARCH ESO ISS PBLA23 START 64.8
HIERARCH ESO ISS PBLA23 END 64.9
HIERARCH ESO ISS PBL24 START 85.542
HIERARCH ESO ISS PBL24 END 85.482
HIERARCH ESO ISS PBLA24 START 37.394
HIERARCH ESO ISS PBLA24 END 37.41
HIERARCH ESO ISS PBL34 START 48.491
HIERARCH ESO ISS PBL34 END 48.494
HIERARCH ESO ISS PBLA34 START 10.435
HIERARCH ESO ISS PBLA34 END 10.519
HIERARCH ESO ISS AMBI TAU0 START 0.003284
HIERARCH ESO ISS AMBI TAU0 END 0.003284
HIERARCH ESO ISS AMBI TEMP 12.9
HIERARCH ESO ISS AMBI FWHM START 1.13
HIERARCH ESO ISS AMBI FWHM END 1.15