13234+5754 HDS 1879 Aa,Ab
13h 23m 23.16s +57° 54' 22.2" P.A. 211.00 sep 0.2 mag 9.93,12.26 Sp K5V dist. 24.78 pc (80.83 l.y.)
| Coord 2000 |
13234+5754 |
|
Discov num |
HDS1879 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
13 23 23.16 +57 54 22.2 |
|
| Date first |
1991 |
|
Date last |
2020 |
|
Obs |
19 |
|
| Pa first |
193 |
|
Pa last |
211.3 |
|
P.A. Now (θ) |
213° |
|
| Sep first |
0.2 |
|
Sep last |
0.187 |
|
Sep. Now (ρ) |
0.303" |
|
| Mag pri |
9.93 |
|
Mag sec |
12.26 |
|
delta mag (ΔM) |
2.33 |
|
Spectral class |
K5V (yellow-orange) |
|
| Pri motion ra |
+127 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
13234+5754 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
28733 |
13 23 23 +57 54 22 |
HDS 1879 Aa,Ab |
2020 |
19 |
211 |
0.2 |
9.93 |
12.26 |
2.33 |
Y |
<=== |
| Show |
HD 238224 |
28733 |
13 23 23 +57 54 22 |
SHY 67 AB |
2003 |
4 |
276 |
999.9 |
9.86 |
10.14 |
0.28 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ursa Major |
|
SAO |
28733 |
|
HIP |
65327 |
|
Tycho2 |
3856-00250-1 |
|
| Gaia DR2 |
1565976794456209792 |
|
HD |
238224 |
|
GL |
Gl 509.1 |
|
BD |
BD+58 1441 |
|
| Distance |
24.78 |
|
Distance ly |
80.83 |
|
ORBITAL ELEMENTS
| Period (P) | 15.52y | ± 0.01 |
Periastron (T) | 2017.23y | ± 0.01 |
Semi-major axis (a) | 186m | ± 2 |
| Eccentricity (e) | 0.775 | ± 0.009 |
Inclination (i) | 86° | ± 1 |
Longitude of periastron (ω) | 173.9° | ± 0.2 |
| Node (Ω) | 214.1° | ± 0.4 |
Notes | n | |
Reference | Mit2021 | |
| Equinox | | |
Last observation | 2020 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
217.1 |
0.136 |
| 2001 |
223.6 |
0.037 |
| 2002 |
41.3 |
0.028 |
| 2003 |
207.7 |
0.075 |
| 2004 |
210.6 |
0.154 |
| 2005 |
211.7 |
0.214 |
| 2006 |
212.3 |
0.259 |
| 2007 |
212.8 |
0.292 |
| 2008 |
213.2 |
0.314 |
| 2009 |
213.5 |
0.326 |
| 2010 |
213.8 |
0.328 |
| 2011 |
214.2 |
0.321 |
| 2012 |
214.5 |
0.304 |
| 2013 |
215.0 |
0.275 |
| 2014 |
215.5 |
0.233 |
| 2015 |
216.4 |
0.175 |
| 2016 |
218.5 |
0.093 |
| 2017 |
26.3 |
0.024 |
| 2018 |
198.0 |
0.025 |
| 2019 |
209.6 |
0.116 |
| 2020 |
211.2 |
0.185 |
| 2021 |
212.0 |
0.237 |
| 2022 |
212.6 |
0.276 |
| 2023 |
213.0 |
0.303 |
| 2024 |
213.3 |
0.321 |
| 2025 |
213.7 |
0.328 |
| 2026 |
214.0 |
0.326 |
| 2027 |
214.3 |
0.314 |
| 2028 |
214.7 |
0.292 |
| 2029 |
215.2 |
0.257 |
| 2030 |
215.9 |
0.208 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
