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
Cdsa2 id
CIA 6
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
Ra deg
1.727675
De deg
50.68872222222222
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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