19580+0456 A   606

 
 
19h 58m 02.80s +04 56' 08.4" P.A. 163.7 sep 0.55 mag 9.52,9.33 Sp G5 dist. 132.8 pc (433.19 l.y.)
 
 
Coord 2000
19580+0456
Discov num
A   606
Comp
Coord arcsec 2000
19 58 02.80 +04 56 08.4
Date first
1903
Date last
2008
Obs
76
Pa first
106
Pa last
337
P.A. Now (θ)
163.7°
Sep first
0.3
Sep last
0.6
Sep. Now (ρ)
0.55"
Mag pri
9.52
Mag sec
9.33
delta mag (ΔM)
0.19
Spectral class
G5 (yellow)
Pri motion ra
+026
Sec motion ra
+026
Pri motion dec
+003
Sec motion dec
+003
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
336.5
Precise sep
0.577
Constellation
Aquila
HIP
98272
Tycho2
0489-01421-1
HD
189044
ADS
13169
BD
BD+04 4292
Distance
132.8
Distance ly
433.19
last precise pa
336.5
last precise sep
0.577
 
 
ORBITAL ELEMENTS
 
 
Period (P)220.8y Periastron (T)1924.46y Semi-major axis (a)0.41a
Eccentricity (e)0.379 Inclination (i)12.5° Longitude of periastron (ω)251.7°
Node (Ω)107° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2016
label rho theta
2000 0.519 149.0
2001 0.521 149.9
2002 0.523 150.8
2003 0.525 151.7
2004 0.527 152.6
2005 0.529 153.5
2006 0.531 154.3
2007 0.532 155.2
2008 0.534 156.1
2009 0.536 157.0
2010 0.537 157.8
2011 0.538 158.7
2012 0.540 159.5
2013 0.541 160.4
2014 0.542 161.2
2015 0.543 162.1
2016 0.545 162.9
2017 0.546 163.7
2018 0.546 164.6
2019 0.547 165.4
2020 0.548 166.2
2021 0.549 167.0
2022 0.550 167.8
2023 0.550 168.7
2024 0.551 169.5
2025 0.551 170.3
2026 0.552 171.1
2027 0.552 171.9
2028 0.553 172.7
2029 0.553 173.5
2030 0.553 174.4

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

grafico orbita





wds19580%2B0456b.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
19580+0456 A 606 2003 77 333 0.5 9.52 9.33 G5 NOD 195802.80+045608.4
19580+0456 A 606 2008 78 337 0.6 9.52 9.33 G5 NOD 195802.80+045608.4

If you need more information about this double, apply for a data request form to the WDS.