19073+2432 A   262

 
 
19h 07m 18.39s +24 31' 33.0" P.A. 93.5 sep 0.2 mag 9.27,9.72 Sp A2 dist. 308.64 pc (1006.78 l.y.)
 
 
Coord 2000
19073+2432
Discov num
A   262
Comp
Coord arcsec 2000
19 07 18.39 +24 31 33.0
Date first
1901
Date last
2010
Obs
15
Pa first
90
Pa last
267
P.A. Now (θ)
93.5°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.27
Mag sec
9.72
delta mag (ΔM)
0.45
Spectral class
A2 (white)
Pri motion ra
+009
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
266.9
Precise sep
0.17
Constellation
Vulpecula
HIP
93905
HD
178355
ADS
12057
Distance
308.64
Distance ly
1006.78
last precise pa
266.9
last precise sep
0.17
 
 
ORBITAL ELEMENTS
 
 
Period (P)108.2y Periastron (T)1959.1y Semi-major axis (a)0.143a
Eccentricity (e)0.83 Inclination (i)50.4° Longitude of periastron (ω)122°
Node (Ω)136.2° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2007
label rho theta
2000 0.179 81.7
2001 0.181 82.5
2002 0.183 83.2
2003 0.185 83.9
2004 0.186 84.6
2005 0.188 85.3
2006 0.189 86.0
2007 0.191 86.7
2008 0.192 87.3
2009 0.194 88.0
2010 0.195 88.6
2011 0.196 89.3
2012 0.197 89.9
2013 0.198 90.5
2014 0.199 91.1
2015 0.200 91.7
2016 0.200 92.3
2017 0.201 92.9
2018 0.201 93.5
2019 0.202 94.1
2020 0.202 94.7
2021 0.202 95.3
2022 0.203 95.9
2023 0.203 96.5
2024 0.202 97.1
2025 0.202 97.7
2026 0.202 98.3
2027 0.202 98.9
2028 0.201 99.5
2029 0.201 100.1
2030 0.200 100.7

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

grafico orbita





wds19073%2B2432a.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
19073+2432 A 262 1992 13 256 0.2 9.27 9.72 A2 190718.39+243133.0
19073+2432 A 262 2007 14 264 0.5 9.27 9.72 A2 190718.39+243133.0
19073+2432 A 262 2010 15 267 0.2 9.27 9.72 A2 190718.39+243133.0

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