15493+0503 A 1126 (HD 141512)
15h 49m 20.14s +05° 02' 43.3" P.A. 136.00 sep 0.1 mag 9.40,9.40 Sp K0III+K0 dist. 564.97 pc (1842.93 l.y.)
| Coord 2000 |
15493+0503 |
|
Discov num |
A 1126 |
|
Comp |
|
|
Coord arcsec 2000 |
15 49 20.14 +05 02 43.3 |
|
| Date first |
1905 |
|
Date last |
2020 |
|
Obs |
23 |
|
| Pa first |
230 |
|
Pa last |
135.8 |
|
P.A. Now (θ) |
135.8° |
|
| Sep first |
0.2 |
|
Sep last |
0.061 |
|
Sep. Now (ρ) |
0.061" |
|
| Mag pri |
9.40 |
|
Mag sec |
9.40 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
K0III+K0 (yellow-orange/yellow-orange) |
|
| Pri motion ra |
-035 |
|
Sec motion ra |
|
|
| Pri motion dec |
+010 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 141512 |
|
Constellation |
Serpens |
|
SAO |
121206 |
|
HIP |
77489 |
|
| Tycho2 |
0360-00815-1 |
|
Gaia DR2 |
4426264003859256064 |
|
HD |
141512 |
|
ADS |
9797 |
|
| BD |
BD+05 3090 |
|
Distance |
564.97 |
|
Distance ly |
1842.93 |
|
ORBITAL ELEMENTS
| Period (P) | 289y | |
Periastron (T) | 1999.1y | |
Semi-major axis (a) | 0.197a | |
| Eccentricity (e) | 0.647 | |
Inclination (i) | 63.5° | |
Longitude of periastron (ω) | 357.9° | |
| Node (Ω) | 34.4° | |
Notes | | |
Reference | Doc2020d | |
| Equinox | 2000 | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
36.5 |
0.070 |
| 2001 |
39.9 |
0.069 |
| 2002 |
43.4 |
0.068 |
| 2003 |
47.0 |
0.067 |
| 2004 |
50.8 |
0.065 |
| 2005 |
54.8 |
0.063 |
| 2006 |
59.0 |
0.061 |
| 2007 |
63.5 |
0.059 |
| 2008 |
68.4 |
0.057 |
| 2009 |
73.6 |
0.055 |
| 2010 |
79.3 |
0.053 |
| 2011 |
85.3 |
0.052 |
| 2012 |
91.6 |
0.051 |
| 2013 |
98.1 |
0.050 |
| 2014 |
104.8 |
0.050 |
| 2015 |
111.4 |
0.050 |
| 2016 |
117.8 |
0.051 |
| 2017 |
124.0 |
0.052 |
| 2018 |
129.9 |
0.054 |
| 2019 |
135.3 |
0.056 |
| 2020 |
140.2 |
0.059 |
| 2021 |
144.8 |
0.062 |
| 2022 |
148.9 |
0.065 |
| 2023 |
152.6 |
0.068 |
| 2024 |
156.0 |
0.072 |
| 2025 |
159.0 |
0.075 |
| 2026 |
161.8 |
0.079 |
| 2027 |
164.3 |
0.083 |
| 2028 |
166.5 |
0.087 |
| 2029 |
168.6 |
0.091 |
| 2030 |
170.5 |
0.095 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
