00274+3054 HDS  62

 
 
00H 27M 23.42S +30 53' 36.1" P.A. 72 SEP 0.3 MAG 8.55,10.46 SP K1III... DIST. 460.83 PC (1503.23 L.Y.)
 
 
Coord 2000
00274+3054
Discov num
HDS  62
Comp
Coord arcsec 2000
00 27 23.42 +30 53 36.1
Date first
1991
Date last
2007
Obs
2
Pa first
67
Pa last
72
P.A. Now (θ)
72°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
8.55
Mag sec
10.46
delta mag (ΔM)
1.91
Spectral class
K1III... (yellow-orange)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
53907
HIP
2170
Tycho2
2262-00040-1
HD
2343
BD
BD+30 60
Distance
460.83
Distance ly
1503.23
last precise pa
72
last precise sep
0.302
 
 
ORBITAL ELEMENTS
 
 
Period (P)936d (2.56y) Periastron (T)42531.9d (1975.324y) Semi-major axis (a)4.1m± 1
Eccentricity (e)0 Inclination (i)48.9°± 11.6 Longitude of periastron (ω)
Node (Ω)293.2°± 9.9 Note Grade9(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000-01-01 0.003 147.8
2001-01-01 0.004 297.8
2002-01-01 0.004 90.4
2003-01-01 0.003 229.3
2004-01-01 0.003 352.1
2005-01-01 0.004 133.1
2006-01-01 0.004 286.1
2007-01-01 0.003 74.9
2008-01-01 0.003 203.6
2009-01-01 0.003 332.0
2010-01-01 0.004 120.6
2011-01-01 0.004 273.7
2012-01-01 0.003 55.0
2013-01-01 0.003 177.8
2014-01-01 0.004 316.4
2015-01-01 0.004 109.0
2016-01-01 0.003 259.0
2017-01-01 0.003 30.1
2018-01-01 0.003 156.4
2019-01-01 0.004 303.5
2020-01-01 0.004 96.9
2021-01-01 0.003 240.3
2022-01-01 0.003 3.8
2023-01-01 0.004 139.9
2024-01-01 0.004 291.8
2025-01-01 0.004 82.9
2026-01-01 0.003 216.5
2027-01-01 0.003 341.1
2028-01-01 0.004 126.5
2029-01-01 0.004 279.9
2030-01-01 0.003 65.4

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