01437+5041 CIA   6 (Phi Per)

 
 
01h 43m 39.63s +50 41' 19.4" P.A. 227 mag 4.06,7.80 Sp Be+sdO dist. 220.26 pc (718.49 l.y.)
 
 
Coord 2000
01437+5041
Discov num
CIA   6
Comp
Coord arcsec 2000
01 43 39.63 +50 41 19.4
Date first
2011
Date last
2013
Obs
10
Pa first
127
Pa last
227
P.A. Now (θ)
227°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
4.06
Mag sec
7.80
delta mag (ΔM)
3.74
Spectral class
Be+sdO (blue-white)
Pri motion ra
+025
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
226.6
Precise sep
0.001
Name
Phi Per
Constellation
Perseus
SAO
22554
HIP
8068
Tycho2
3291-02118-1
HD
10516
HR
496
GC
2102
BD
BD+49 444
Bayer
Phi Persei
Bayer name
Phi Per
Distance
220.26
Distance ly
718.49
last precise pa
226.6
last precise sep
0.001
 
 
ORBITAL ELEMENTS
 
 
Period (P)126.6982d Periastron (T)56110.03d (2012.5y)± 0.08 Semi-major axis (a)5.89m± 0.02
Eccentricity (e)0 Inclination (i)77.6°± 0.3 Longitude of periastron (ω)
Node (Ω)295.7°± 0.3 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000-01-01 0.006 293.0
2001-01-01 0.004 278.8
2002-01-01 0.001 176.4
2003-01-01 0.005 126.2
2004-01-01 0.006 115.4
2005-01-01 0.004 104.2
2006-01-01 0.001 45.0
2007-01-01 0.004 311.1
2008-01-01 0.006 297.8
2009-01-01 0.005 288.0
2010-01-01 0.002 258.0
2011-01-01 0.003 138.8
2012-01-01 0.006 120.4
2013-01-01 0.006 111.0
2014-01-01 0.003 92.6
2015-01-01 0.002 333.4
2016-01-01 0.005 303.4
2017-01-01 0.006 293.6
2018-01-01 0.004 280.3
2019-01-01 0.001 186.4
2020-01-01 0.004 127.2
2021-01-01 0.006 116.0
2022-01-01 0.005 105.2
2023-01-01 0.001 55.0
2024-01-01 0.004 312.6
2025-01-01 0.006 298.4
2026-01-01 0.005 288.7
2027-01-01 0.002 262.4
2028-01-01 0.003 141.3
2029-01-01 0.005 121.1
2030-01-01 0.006 111.6

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

grafico orbita





wds01437%2B5041a.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
01437+5041 CIA 6 2013 10 227 0.0 4.06 7.80 Be+sdO NO 014339.63+504119.4

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