19124-3304 OL   22

 
 
19h 12m 25.18s -33 03' 43.4" P.A. 56.2 sep 0.54 mag 8.36,9.51 Sp F8/G0V dist. 89.45 pc (291.79 l.y.)
 
 
Coord 2000
19124-3304
Discov num
OL   22
Comp
Coord arcsec 2000
19 12 25.18 -33 03 43.4
Date first
1909
Date last
2015
Obs
36
Pa first
66
Pa last
54
P.A. Now (θ)
56.2°
Sep first
0.7
Sep last
0.6
Sep. Now (ρ)
0.54"
Mag pri
8.36
Mag sec
9.51
delta mag (ΔM)
1.15
Spectral class
F8/G0V (yellow-white)
Pri motion ra
-033
Sec motion ra
-033
Pri motion dec
+036
Sec motion dec
+036
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
54.2
Precise sep
0.558
Constellation
Sagittarius
HIP
94367
Tycho2
7427-00921-1
HD
179058
Distance
89.45
Distance ly
291.79
last precise pa
54.2
last precise sep
0.558
 
 
ORBITAL ELEMENTS
 
 
Period (P)125.83y Periastron (T)1971.38y Semi-major axis (a)0.392a
Eccentricity (e)0.548 Inclination (i)37.7° Longitude of periastron (ω)49.6°
Node (Ω)209.2° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.467 36.3
2001 0.475 37.6
2002 0.482 38.9
2003 0.488 40.1
2004 0.494 41.3
2005 0.500 42.5
2006 0.505 43.7
2007 0.510 44.8
2008 0.515 45.9
2009 0.519 47.0
2010 0.523 48.1
2011 0.527 49.1
2012 0.530 50.2
2013 0.533 51.2
2014 0.536 52.2
2015 0.539 53.2
2016 0.541 54.2
2017 0.543 55.2
2018 0.544 56.2
2019 0.546 57.2
2020 0.547 58.1
2021 0.548 59.1
2022 0.548 60.1
2023 0.549 61.1
2024 0.549 62.0
2025 0.549 63.0
2026 0.548 64.0
2027 0.548 64.9
2028 0.547 65.9
2029 0.546 66.9
2030 0.545 67.8

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds19124-3304a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19124-3304 OL 22 1992 32 25 0.4 8.36 9.51 F8/G0V NOD 191225.18-330343.4
19124-3304 OL 22 2008 34 47 0.5 8.36 9.51 F8/G0V NOD 191225.18-330343.4
19124-3304 OL 22 2010 35 47 0.5 8.36 9.51 F8/G0V NOD 191225.18-330343.4
19124-3304 OL 22 2015 36 54 0.6 8.36 9.51 F8/G0V NO 191225.18-330343.4

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