03440+5228 A  1289

 
 
03H 44M 00.54S +52 28' 07.8" P.A. 84.5 SEP 0.28 MAG 10.07,10.38 SP A DIST. 346.02 PC (1128.72 L.Y.)
 
 
Coord 2000
03440+5228
Discov num
A  1289
Comp
Coord arcsec 2000
03 44 00.54 +52 28 07.8
Date first
1906
Date last
2009
Obs
13
Pa first
10
Pa last
79
P.A. Now (θ)
84.5°
Sep first
0.4
Sep last
0.3
Sep. Now (ρ)
0.28"
Mag pri
10.07
Mag sec
10.38
delta mag (ΔM)
0.31
Spectral class
A (white)
Pri motion ra
+007
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
78.8
Precise sep
0.272
Constellation
Perseus
SAO
24184
HIP
17427
Tycho2
3325-01028-1
HD
23006
ADS
2710
BD
BD+52 709
Distance
346.02
Distance ly
1128.72
last precise pa
78.8
last precise sep
0.272
 
 
ORBITAL ELEMENTS
 
 
Period (P)265y Periastron (T)2080y Semi-major axis (a)0.32a
Eccentricity (e)0.633 Inclination (i)51.5° Longitude of periastron (ω)75.7°
Node (Ω)147.4° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1995
label rho theta
2000 0.292 70.4
2001 0.291 71.2
2002 0.290 72.0
2003 0.289 72.8
2004 0.288 73.6
2005 0.287 74.4
2006 0.287 75.2
2007 0.286 76.0
2008 0.285 76.8
2009 0.284 77.7
2010 0.283 78.5
2011 0.282 79.3
2012 0.281 80.2
2013 0.280 81.0
2014 0.279 81.9
2015 0.278 82.8
2016 0.277 83.6
2017 0.276 84.5
2018 0.275 85.4
2019 0.274 86.3
2020 0.273 87.2
2021 0.272 88.1
2022 0.271 89.0
2023 0.270 89.9
2024 0.269 90.8
2025 0.268 91.8
2026 0.267 92.7
2027 0.266 93.7
2028 0.265 94.6
2029 0.263 95.6
2030 0.262 96.5

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic