Exposure
ID
PIONI.2025-07-19T06:47:18.014_1
Header ID
PIONI.2025-07-19T06:47:18.014
Date updated
2025-07-19 06:55:42 UTC+0000
Release date
2025-07-19 06:47:18 UTC+0000
UTC Start
2025-07-19 06:47:18.015
UTC End
2025-07-19 06:47:56.415
MJD Start
60875.2828473924
MJD End
60875.283291836844
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003256
Ambient temperature (°C)
12.91
Seeing (arcsec)
1.13
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 72.9750 72.8660 141.8000 142.0000
A0-J2 95.8790 95.6150 112.7000 112.8000
A0-K0 97.6950 97.4230 83.6940 83.7430
G1-J2 47.8950 47.7960 64.8000 64.8000
G1-K0 85.6650 85.6060 37.3610 37.3770
J2-K0 48.4860 48.4890 10.2640 10.3460
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 60875.2828473924
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 72.975
HIERARCH ESO ISS PBL12 END 72.866
HIERARCH ESO ISS PBLA12 START 141.8
HIERARCH ESO ISS PBLA12 END 142.0
HIERARCH ESO ISS PBL13 START 95.879
HIERARCH ESO ISS PBL13 END 95.615
HIERARCH ESO ISS PBLA13 START 112.7
HIERARCH ESO ISS PBLA13 END 112.8
HIERARCH ESO ISS PBL14 START 97.695
HIERARCH ESO ISS PBL14 END 97.423
HIERARCH ESO ISS PBLA14 START 83.694
HIERARCH ESO ISS PBLA14 END 83.743
HIERARCH ESO ISS PBL23 START 47.895
HIERARCH ESO ISS PBL23 END 47.796
HIERARCH ESO ISS PBLA23 START 64.8
HIERARCH ESO ISS PBLA23 END 64.8
HIERARCH ESO ISS PBL24 START 85.665
HIERARCH ESO ISS PBL24 END 85.606
HIERARCH ESO ISS PBLA24 START 37.361
HIERARCH ESO ISS PBLA24 END 37.377
HIERARCH ESO ISS PBL34 START 48.486
HIERARCH ESO ISS PBL34 END 48.489
HIERARCH ESO ISS PBLA34 START 10.264
HIERARCH ESO ISS PBLA34 END 10.346
HIERARCH ESO ISS AMBI TAU0 START 0.003256
HIERARCH ESO ISS AMBI TAU0 END 0.003256
HIERARCH ESO ISS AMBI TEMP 12.91
HIERARCH ESO ISS AMBI FWHM START 1.13
HIERARCH ESO ISS AMBI FWHM END 1.13