08592+4803 HU 628 BC
08h 59m 12.53s +48° 02' 28.7" P.A. 206.00 sep 0.9 mag 9.90,10.10 Sp M1
| Coord 2000 |
08592+4803 |
|
Discov num |
HU 628 |
|
Comp |
BC |
|
Coord arcsec 2000 |
08 59 12.53 +48 02 28.7 |
|
| Date first |
1903 |
|
Date last |
2017 |
|
Obs |
69 |
|
| Pa first |
203 |
|
Pa last |
206.1 |
|
P.A. Now (θ) |
199.1° |
|
| Sep first |
0.9 |
|
Sep last |
0.915 |
|
Sep. Now (ρ) |
0.89" |
|
| Mag pri |
9.90 |
|
Mag sec |
10.10 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
M1 (red) |
|
| Pri motion ra |
-441 |
|
Sec motion ra |
|
|
| Pri motion dec |
-215 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
08592+4803 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Talitha |
42630 |
08 59 12 +48 02 31 |
HJ 2477 A,BC |
2017 |
81 |
90 |
2.4 |
3.13 |
9.20 |
6.07 |
Y |
|
| Show |
|
|
08 59 13 +48 02 29 |
HU 628 BC |
2017 |
69 |
206 |
0.9 |
9.90 |
10.10 |
0.20 |
Y |
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ursa Major |
|
ADS |
7114 |
|
ORBITAL ELEMENTS
| Period (P) | 39.4y | ± 0.1 |
Periastron (T) | 1999.1y | ± 0.7 |
Semi-major axis (a) | 0.7a | ± 0.01 |
| Eccentricity (e) | 0.35 | ± 0.02 |
Inclination (i) | 111.6° | ± 1.1 |
Longitude of periastron (ω) | 354.2° | ± 4.6 |
| Node (Ω) | 24.5° | ± 1.3 |
Notes | n | |
Reference | DRs2012 | |
| Equinox | | |
Last observation | 2011 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
19.9 |
0.452 |
| 2001 |
11.9 |
0.420 |
| 2002 |
1.9 |
0.366 |
| 2003 |
348.0 |
0.303 |
| 2004 |
327.4 |
0.250 |
| 2005 |
300.0 |
0.232 |
| 2006 |
273.8 |
0.261 |
| 2007 |
255.2 |
0.323 |
| 2008 |
243.2 |
0.399 |
| 2009 |
235.2 |
0.479 |
| 2010 |
229.4 |
0.557 |
| 2011 |
225.0 |
0.630 |
| 2012 |
221.5 |
0.697 |
| 2013 |
218.6 |
0.757 |
| 2014 |
216.0 |
0.808 |
| 2015 |
213.8 |
0.852 |
| 2016 |
211.8 |
0.888 |
| 2017 |
209.9 |
0.914 |
| 2018 |
208.0 |
0.933 |
| 2019 |
206.3 |
0.942 |
| 2020 |
204.6 |
0.943 |
| 2021 |
202.8 |
0.934 |
| 2022 |
201.0 |
0.917 |
| 2023 |
199.1 |
0.890 |
| 2024 |
197.1 |
0.855 |
| 2025 |
194.9 |
0.810 |
| 2026 |
192.3 |
0.756 |
| 2027 |
189.4 |
0.694 |
| 2028 |
185.8 |
0.623 |
| 2029 |
181.3 |
0.544 |
| 2030 |
175.1 |
0.460 |
| 2031 |
166.1 |
0.373 |
| 2032 |
151.9 |
0.291 |
| 2033 |
128.4 |
0.231 |
| 2034 |
96.6 |
0.219 |
| 2035 |
68.9 |
0.262 |
| 2036 |
50.9 |
0.330 |
| 2037 |
39.2 |
0.397 |
| 2038 |
30.5 |
0.442 |
| 2039 |
22.9 |
0.456 |
| 2040 |
15.2 |
0.436 |
| 2041 |
6.2 |
0.390 |
| 2042 |
354.2 |
0.328 |
| 2043 |
336.6 |
0.269 |
| 2044 |
311.4 |
0.234 |
| 2045 |
283.5 |
0.245 |
| 2046 |
261.7 |
0.296 |
| 2047 |
247.4 |
0.368 |
| 2048 |
238.0 |
0.447 |
| 2049 |
231.5 |
0.526 |
| 2050 |
226.6 |
0.602 |
|
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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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