02482+2704 HLA 2 Aa,Ab (BC Ari)
02h 48m 09.14s +27° 04' 07.1" P.A. 255.00 sep 0.3 mag 5.70,8.60 Sp K1V dist. 24.64 pc (80.38 l.y.)
| Coord 2000 |
02482+2704 |
|
Discov num |
HLA 2 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
02 48 09.14 +27 04 07.1 |
|
| Date first |
2016 |
|
Date last |
2016 |
|
Obs |
1 |
|
| Pa first |
255 |
|
Pa last |
255 |
|
P.A. Now (θ) |
255° |
|
| Sep first |
0.3 |
|
Sep last |
0.26 |
|
Sep. Now (ρ) |
0.26" |
|
| Mag pri |
5.70 |
|
Mag sec |
8.60 |
|
delta mag (ΔM) |
2.9 |
|
Spectral class |
K1V (yellow-orange) |
|
| Pri motion ra |
+267 |
|
Sec motion ra |
|
|
| Pri motion dec |
-125 |
|
Sec motion dec |
|
|
| Notes |
N
V
W
K
(See Notes, Proper motion indicates physical, , K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
02482+2704 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
BC Ari |
75580 |
02 48 09 +27 04 07 |
HLA 2 Aa,Ab |
2016 |
1 |
255 |
0.3 |
5.70 |
8.60 |
2.90 |
|
<=== |
| Show |
|
75580 |
02 48 09 +27 04 07 |
LDS 1138 AB |
2016 |
12 |
22 |
20.3 |
7.62 |
15.59 |
7.97 |
|
|
| Show |
|
75580 |
02 48 09 +27 04 07 |
LAF 28 AC |
2004 |
1 |
131 |
11.8 |
5.70 |
18.90 |
13.20 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
BC Ari |
|
Constellation |
Aries |
|
SAO |
75580 |
|
HIP |
13081 |
|
| Tycho2 |
1789-01155-1 |
|
HD |
17382 |
|
GL |
Gl 113A |
|
BD |
BD+26 465 |
|
| Distance |
24.64 |
|
Distance ly |
80.38 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 02482+2704 GC 3359 |
| coord_arcsec_2000 | 024808.97+270408.2 |
| Period (P) | 15.5y | |
Periastron (T) | 1986.5y | |
Semi-major axis (a) | 0.039a | |
| Eccentricity (e) | 0 | |
Inclination (i) | 84° | |
Longitude of periastron (ω) | 0° | |
| Node (Ω) | 54° | |
Notes | | |
Reference | Hei1990d | |
| Equinox | 2000 | |
Last observation | 1989 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
47.7 |
0.027 |
| 2001 |
51.4 |
0.036 |
| 2002 |
54.0 |
0.039 |
| 2003 |
56.6 |
0.036 |
| 2004 |
60.3 |
0.027 |
| 2005 |
69.8 |
0.014 |
| 2006 |
169.9 |
0.005 |
| 2007 |
222.0 |
0.018 |
| 2008 |
228.9 |
0.030 |
| 2009 |
232.1 |
0.037 |
| 2010 |
234.6 |
0.039 |
| 2011 |
237.3 |
0.034 |
| 2012 |
241.7 |
0.024 |
| 2013 |
256.0 |
0.011 |
| 2014 |
19.7 |
0.007 |
| 2015 |
44.5 |
0.021 |
| 2016 |
49.8 |
0.032 |
| 2017 |
52.8 |
0.038 |
| 2018 |
55.2 |
0.038 |
| 2019 |
58.2 |
0.032 |
| 2020 |
63.5 |
0.021 |
| 2021 |
88.3 |
0.007 |
| 2022 |
212.0 |
0.011 |
| 2023 |
226.3 |
0.024 |
| 2024 |
230.7 |
0.034 |
| 2025 |
233.4 |
0.039 |
| 2026 |
235.9 |
0.037 |
| 2027 |
239.1 |
0.030 |
| 2028 |
246.0 |
0.018 |
| 2029 |
298.1 |
0.005 |
| 2030 |
38.2 |
0.014 |
|
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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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