03391+5249 YSC 127 AB (HD 22451)
03h 39m 06.47s +52° 49' 08.8" P.A. 319.00 sep 0.0 mag 8.50,8.60 Sp F7V dist. 102.88 pc (335.59 l.y.)
| Coord 2000 |
03391+5249 |
|
Discov num |
YSC 127 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 39 06.47 +52 49 08.8 |
|
| Date first |
2008 |
|
Date last |
2019 |
|
Obs |
15 |
|
| Pa first |
39 |
|
Pa last |
318.5 |
|
P.A. Now (θ) |
23.8° |
|
| Sep first |
0.0 |
|
Sep last |
0.042 |
|
Sep. Now (ρ) |
0.044" |
|
| Mag pri |
8.50 |
|
Mag sec |
8.60 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
F7V (yellow-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
+013 |
|
Sec motion dec |
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| Notes |
O
W
(Orbital solution, ) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 22451 |
|
Constellation |
Perseus |
|
SAO |
24139 |
|
HIP |
17033 |
|
| Tycho2 |
3716-00477-1 |
|
HD |
22451 |
|
BD |
BD+52 706 |
|
Distance |
102.88 |
|
| Distance ly |
335.59 |
|
ORBITAL ELEMENTS
| Period (P) | 2401.1d (6.57y) | ± 3.2 |
Periastron (T) | 58281.9d (2018.446y) | ± 1.5 |
Semi-major axis (a) | 42m | ± 2.2 |
| Eccentricity (e) | 0.5804 | ± 0.003 |
Inclination (i) | 111.29° | ± 0.93 |
Longitude of periastron (ω) | 109.51° | ± 0.33 |
| Node (Ω) | 3.2° | ± 0.82 |
Notes | | |
Reference | Hor2020 | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
146.0 |
0.026 |
| 2001-01-01 |
91.6 |
0.022 |
| 2002-01-01 |
49.2 |
0.032 |
| 2003-01-01 |
28.1 |
0.042 |
| 2004-01-01 |
13.3 |
0.043 |
| 2005-01-01 |
343.0 |
0.017 |
| 2006-01-01 |
168.2 |
0.028 |
| 2007-01-01 |
124.9 |
0.023 |
| 2008-01-01 |
69.9 |
0.025 |
| 2009-01-01 |
38.7 |
0.037 |
| 2010-01-01 |
21.7 |
0.044 |
| 2011-01-01 |
6.1 |
0.038 |
| 2012-01-01 |
199.7 |
0.015 |
| 2013-01-01 |
152.2 |
0.027 |
| 2014-01-01 |
100.2 |
0.022 |
| 2015-01-01 |
53.7 |
0.030 |
| 2016-01-01 |
30.6 |
0.041 |
| 2017-01-01 |
15.5 |
0.044 |
| 2018-01-01 |
353.4 |
0.024 |
| 2019-01-01 |
173.8 |
0.027 |
| 2020-01-01 |
132.8 |
0.024 |
| 2021-01-01 |
76.8 |
0.024 |
| 2022-01-01 |
42.0 |
0.035 |
| 2023-01-01 |
23.8 |
0.044 |
| 2024-01-01 |
8.8 |
0.040 |
| 2025-01-01 |
237.8 |
0.008 |
| 2026-01-01 |
158.0 |
0.027 |
| 2027-01-01 |
109.0 |
0.022 |
| 2028-01-01 |
58.7 |
0.028 |
| 2029-01-01 |
33.2 |
0.039 |
| 2030-01-01 |
17.7 |
0.045 |
|
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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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