01437+5041 CIA 6 (Phi Per)
01h 43m 39.63s +50° 41' 19.4" P.A. 227.00 sep 0.0 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 |
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|
Coord arcsec 2000 |
01 43 39.63 +50 41 19.4 |
|
| Date first |
2004 |
|
Date last |
2013 |
|
Obs |
16 |
|
| Pa first |
289 |
|
Pa last |
226.6 |
|
P.A. Now (θ) |
226.6° |
|
| Sep first |
0.0 |
|
Sep last |
0.001 |
|
Sep. Now (ρ) |
0.001" |
|
| 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 |
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|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
Phi Per |
|
Constellation |
Perseus |
|
SAO |
22554 |
|
HIP |
8068 |
|
| Tycho2 |
3291-02118-1 |
|
Gaia DR2 |
405987526028673536 |
|
HD |
10516 |
|
HR |
496 |
|
| GC |
2102 |
|
BD |
BD+49 444 |
|
Bayer |
Phi Persei |
|
Bayer name |
Phi Per |
|
| FK5 |
57 |
|
Distance |
220.26 |
|
Distance ly |
718.49 |
|
Bayer greek |
φ Per |
|
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) | 0° | |
| Node (Ω) | 295.7° | ± 0.3 |
Notes | n | |
Reference | CIA2015a | |
| Equinox | 2000 | |
Last observation | 2013 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
293.0 |
0.006 |
| 2001-01-01 |
278.8 |
0.004 |
| 2002-01-01 |
176.4 |
0.001 |
| 2003-01-01 |
126.2 |
0.005 |
| 2004-01-01 |
115.4 |
0.006 |
| 2005-01-01 |
104.2 |
0.004 |
| 2006-01-01 |
45.0 |
0.001 |
| 2007-01-01 |
311.1 |
0.004 |
| 2008-01-01 |
297.8 |
0.006 |
| 2009-01-01 |
288.0 |
0.005 |
| 2010-01-01 |
258.0 |
0.002 |
| 2011-01-01 |
138.8 |
0.003 |
| 2012-01-01 |
120.4 |
0.006 |
| 2013-01-01 |
111.0 |
0.006 |
| 2014-01-01 |
92.6 |
0.003 |
| 2015-01-01 |
333.4 |
0.002 |
| 2016-01-01 |
303.4 |
0.005 |
| 2017-01-01 |
293.6 |
0.006 |
| 2018-01-01 |
280.3 |
0.004 |
| 2019-01-01 |
186.4 |
0.001 |
| 2020-01-01 |
127.2 |
0.004 |
| 2021-01-01 |
116.0 |
0.006 |
| 2022-01-01 |
105.2 |
0.005 |
| 2023-01-01 |
55.0 |
0.001 |
| 2024-01-01 |
312.6 |
0.004 |
| 2025-01-01 |
298.4 |
0.006 |
| 2026-01-01 |
288.7 |
0.005 |
| 2027-01-01 |
262.4 |
0.002 |
| 2028-01-01 |
141.3 |
0.003 |
| 2029-01-01 |
121.1 |
0.005 |
| 2030-01-01 |
111.6 |
0.006 |
| 2031-01-01 |
94.7 |
0.003 |
| 2032-01-01 |
338.8 |
0.002 |
| 2033-01-01 |
304.2 |
0.005 |
| 2034-01-01 |
294.1 |
0.006 |
| 2035-01-01 |
281.6 |
0.004 |
| 2036-01-01 |
197.7 |
0.001 |
| 2037-01-01 |
128.3 |
0.004 |
| 2038-01-01 |
116.5 |
0.006 |
| 2039-01-01 |
106.1 |
0.005 |
| 2040-01-01 |
63.5 |
0.002 |
| 2041-01-01 |
314.2 |
0.003 |
| 2042-01-01 |
299.0 |
0.006 |
| 2043-01-01 |
289.4 |
0.005 |
| 2044-01-01 |
266.0 |
0.002 |
| 2045-01-01 |
144.2 |
0.002 |
| 2046-01-01 |
121.7 |
0.005 |
| 2047-01-01 |
112.2 |
0.006 |
| 2048-01-01 |
96.6 |
0.003 |
| 2049-01-01 |
345.3 |
0.002 |
| 2050-01-01 |
305.0 |
0.005 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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