19580+0456 A   606

 
 
19h 58m 02.80s +04° 56' 08.4" P.A. 167.10 sep 0.6 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
2018
Obs
83
Pa first
106
Pa last
345
P.A. Now (θ)
167.1°
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
344.9
Precise sep
0.591
Constellation
Aquila
HIP
98272
Tycho2
0489-01421-1
Gaia DR2
4248447753598217216
HD
189044
ADS
13169
BD
BD+04 4292
Distance
132.8
Distance ly
433.19
last precise pa
344.9
last precise sep
0.591
 
 
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)251.3°
Node (Ω)107.5° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.519 149.1
2001 0.522 150.0
2002 0.524 150.9
2003 0.525 151.8
2004 0.527 152.7
2005 0.529 153.6
2006 0.531 154.4
2007 0.533 155.3
2008 0.534 156.2
2009 0.536 157.0
2010 0.537 157.9
2011 0.539 158.8
2012 0.540 159.6
2013 0.541 160.5
2014 0.542 161.3
2015 0.544 162.1
2016 0.545 163.0
2017 0.546 163.8
2018 0.547 164.6
2019 0.547 165.5
2020 0.548 166.3
2021 0.549 167.1
2022 0.550 167.9
2023 0.550 168.8
2024 0.551 169.6
2025 0.552 170.4
2026 0.552 171.2
2027 0.552 172.0
2028 0.553 172.8
2029 0.553 173.6
2030 0.553 174.4


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



 
 


wds19580%2B0456c.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
19580+0456 A 606 2017 77 344 0.6 9.52 9.33 G5 NO 195802.80+045608.4
19580+0456 A 606 2018 78 165 0.6 9.52 9.33 G5 NO 195802.80+045608.4

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