02051+7717 LSC 19 Aa,Ab
02h 05m 07.42s +77° 16' 52.8" P.A. 296.00 sep 0.1 mag 5.40,7.60 Sp F0Vn dist. 33.16 pc (108.17 l.y.)
| Coord 2000 |
02051+7717 |
|
Discov num |
LSC 19 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
02 05 07.42 +77 16 52.8 |
|
| Date first |
2011 |
|
Date last |
2019 |
|
Obs |
6 |
|
| Pa first |
123 |
|
Pa last |
296 |
|
P.A. Now (θ) |
296° |
|
| Sep first |
0.1 |
|
Sep last |
0.078 |
|
Sep. Now (ρ) |
0.078" |
|
| Mag pri |
5.40 |
|
Mag sec |
7.60 |
|
delta mag (ΔM) |
2.2 |
|
Spectral class |
F0Vn (yellow-white) |
|
| Pri motion ra |
+140 |
|
Sec motion ra |
|
|
| Pri motion dec |
-048 |
|
Sec motion dec |
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|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
02051+7717 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
4562 |
02 05 07 +77 16 53 |
LSC 19 Aa,Ab |
2019 |
6 |
296 |
0.1 |
5.40 |
7.60 |
2.20 |
|
<=== |
| Show |
47 Cas |
4562 |
02 05 07 +77 16 53 |
SHJ 22 AB |
2014 |
18 |
211 |
97.2 |
5.31 |
10.10 |
4.79 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cassiopeia |
|
SAO |
4562 |
|
HIP |
9727 |
|
Tycho2 |
4499-02252-1 |
|
| Gaia DR2 |
561110680923136896 |
|
HD |
12230 |
|
HR |
581 |
|
GC |
2459 |
|
| BD |
BD+76 63 |
|
Flamsteed |
47 Cassiopeiae |
|
Flamsteed name |
47 Cas |
|
FK5 |
2139 |
|
| Distance |
33.16 |
|
Distance ly |
108.17 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 02051+7717 SHJ 22 A |
| coord_arcsec_2000 | 020507.05+771653.2 |
| Period (P) | 1616.2692d (4.43y) | ± 132.6785 |
Periastron (T) | 47969.2578d (1990.211y) | ± 45.3193 |
Semi-major axis (a) | 39.32m | ± 7.57 |
| Eccentricity (e) | 0 | |
Inclination (i) | 148.25° | ± 8.51 |
Longitude of periastron (ω) | 0° | |
| Node (Ω) | 64.59° | ± 12.15 |
Notes | n | |
Reference | HIP1997d | |
| Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
350.5 |
0.034 |
| 2001-01-01 |
263.8 |
0.039 |
| 2002-01-01 |
189.8 |
0.035 |
| 2003-01-01 |
99.7 |
0.037 |
| 2004-01-01 |
27.4 |
0.037 |
| 2005-01-01 |
297.1 |
0.035 |
| 2006-01-01 |
223.4 |
0.038 |
| 2007-01-01 |
136.2 |
0.034 |
| 2008-01-01 |
58.5 |
0.039 |
| 2009-01-01 |
336.3 |
0.033 |
| 2010-01-01 |
253.2 |
0.039 |
| 2011-01-01 |
176.4 |
0.034 |
| 2012-01-01 |
88.4 |
0.038 |
| 2013-01-01 |
15.2 |
0.036 |
| 2014-01-01 |
284.7 |
0.037 |
| 2015-01-01 |
212.3 |
0.037 |
| 2016-01-01 |
122.6 |
0.035 |
| 2017-01-01 |
48.0 |
0.039 |
| 2018-01-01 |
322.1 |
0.034 |
| 2019-01-01 |
242.8 |
0.039 |
| 2020-01-01 |
162.3 |
0.034 |
| 2021-01-01 |
77.6 |
0.039 |
| 2022-01-01 |
2.1 |
0.034 |
| 2023-01-01 |
273.1 |
0.038 |
| 2024-01-01 |
200.4 |
0.036 |
| 2025-01-01 |
109.8 |
0.036 |
| 2026-01-01 |
37.1 |
0.038 |
| 2027-01-01 |
308.2 |
0.034 |
| 2028-01-01 |
232.4 |
0.039 |
| 2029-01-01 |
148.0 |
0.033 |
| 2030-01-01 |
67.2 |
0.039 |
|
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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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