19216+5223 BU 1129

 
 
19h 21m 36.09s +52 22' 34.9" P.A. 340 sep 0.32 mag 7.69,7.84 Sp A8III dist. 205.34 pc (669.82 l.y.)
 
 
Coord 2000
19216+5223
Discov num
BU 1129
Comp
Coord arcsec 2000
19 21 36.09 +52 22 34.9
Date first
1889
Date last
2009
Obs
63
Pa first
344
Pa last
346
P.A. Now (θ)
340°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.32"
Mag pri
7.69
Mag sec
7.84
delta mag (ΔM)
0.15
Spectral class
A8III (white)
Pri motion ra
+015
Sec motion ra
Pri motion dec
+029
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
345.5
Precise sep
0.269
Constellation
Cygnus
HIP
95156
HD
182353
ADS
12366
Distance
205.34
Distance ly
669.82
last precise pa
345.5
last precise sep
0.269
 
 
ORBITAL ELEMENTS
 
 
Period (P)121.7y Periastron (T)1974.9y Semi-major axis (a)0.18a
Eccentricity (e)0.92 Inclination (i)138.9° Longitude of periastron (ω)350°
Node (Ω)148° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation1981
label rho theta
2000 0.253 346.1
2001 0.259 345.7
2002 0.264 345.3
2003 0.269 344.9
2004 0.273 344.5
2005 0.278 344.1
2006 0.282 343.7
2007 0.286 343.4
2008 0.290 343.1
2009 0.294 342.7
2010 0.297 342.4
2011 0.301 342.1
2012 0.304 341.8
2013 0.307 341.5
2014 0.310 341.2
2015 0.313 340.9
2016 0.316 340.6
2017 0.319 340.3
2018 0.321 340.0
2019 0.323 339.8
2020 0.326 339.5
2021 0.328 339.2
2022 0.330 339.0
2023 0.331 338.7
2024 0.333 338.5
2025 0.335 338.2
2026 0.336 337.9
2027 0.337 337.7
2028 0.339 337.4
2029 0.340 337.2
2030 0.340 337.0

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

grafico orbita





wds19216%2B5223a.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
19216+5223 BU 1129 2002 60 352 0.3 7.69 7.84 A8III NO 192136.09+522234.9
19216+5223 BU 1129 2009 62 351 0.3 7.69 7.84 A8III NO 192136.09+522234.9

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