00274+3054 HDS  62

 
 
00h 27m 23.42s +30 53' 36.1" P.A. 75.00 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
2011
Obs
4
Pa first
67
Pa last
75
P.A. Now (θ)
75°
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
 
 
Precise pa
74.7
Precise sep
0.3
Constellation
Andromeda
SAO
53907
HIP
2170
Tycho2
2262-00040-1
Gaia DR2
2859205289960371840
HD
2343
BD
BD+30 60
Distance
460.83
Distance ly
1503.23
last precise pa
74.7
last precise sep
0.3
 
 
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 0.003 147.8
2001 0.004 297.8
2002 0.004 90.4
2003 0.003 229.3
2004 0.003 352.1
2005 0.004 133.1
2006 0.004 286.1
2007 0.003 74.9
2008 0.003 203.6
2009 0.003 332.0
2010 0.004 120.6
2011 0.004 273.7
2012 0.003 55.0
2013 0.003 177.8
2014 0.004 316.4
2015 0.004 109.0
2016 0.003 259.0
2017 0.003 30.1
2018 0.003 156.4
2019 0.004 303.5
2020 0.004 96.9
2021 0.003 240.3
2022 0.003 3.8
2023 0.004 139.9
2024 0.004 291.8
2025 0.004 82.9
2026 0.003 216.5
2027 0.003 341.1
2028 0.004 126.5
2029 0.004 279.9
2030 0.003 65.4


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



 
 


wds00274%2B3054f.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
00274+3054 HDS 62 1991 1 67 0.3 8.55 10.46 K1III... 002723.42+305336.1
00274+3054 HDS 62 2007 2 72 0.3 8.55 10.46 K1III... 002723.42+305336.1
00274+3054 HDS 62 2011 3 75 0.3 8.55 10.46 K1III... NO 002723.42+305336.1

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