03520+2440 BOV 27 AB
03h 52m 02.23s +24° 39' 47.7" P.A. 155.00 sep 0.0 mag 10.60,10.90 Sp K3e
| Coord 2000 |
03520+2440 |
|
Discov num |
BOV 27 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 52 02.23 +24 39 47.7 |
|
| Date first |
1996 |
|
Date last |
2014 |
|
Obs |
7 |
|
| Pa first |
233 |
|
Pa last |
155 |
|
P.A. Now (θ) |
219.8° |
|
| Sep first |
0.1 |
|
Sep last |
0.04 |
|
Sep. Now (ρ) |
0.113" |
|
| Mag pri |
10.60 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
K3e (yellow-orange) |
|
| Pri motion ra |
+017 |
|
Sec motion ra |
|
|
| Pri motion dec |
-047 |
|
Sec motion dec |
|
|
| Notes |
N
O
K
(See Notes, Orbital solution, 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.
03520+2440 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
03 52 02 +24 39 48 |
BOV 27 AB |
2014 |
7 |
155 |
0.0 |
10.60 |
10.90 |
0.30 |
Y |
<=== |
| Show |
|
|
03 52 02 +24 39 48 |
LEI 5 AC |
2014 |
11 |
316 |
0.5 |
12.10 |
13.10 |
1.00 |
|
|
| Show |
|
|
03 52 02 +24 39 48 |
UC 1081 AD |
2015 |
4 |
290 |
49.6 |
11.70 |
16.30 |
4.60 |
|
|
| Show |
|
|
03 52 02 +24 39 48 |
LEI 5 BC |
2014 |
6 |
315 |
0.5 |
10.90 |
11.00 |
0.10 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Taurus |
|
Tycho2 |
1804-00123-1 |
|
Gaia DR2 |
66665692094551808 |
|
ORBITAL ELEMENTS
| Period (P) | 30.16y | ± 0.27 |
Periastron (T) | 2011.949y | ± 0.012 |
Semi-major axis (a) | 80.84m | ± 0.4 |
| Eccentricity (e) | 0.5562 | ± 0.0018 |
Inclination (i) | 47.67° | ± 0.34 |
Longitude of periastron (ω) | 41.51° | ± 0.29 |
| Node (Ω) | 22.77° | ± 0.56 |
Notes | n | |
Reference | Sfr2014 | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
246.2 |
0.097 |
| 2001 |
251.1 |
0.092 |
| 2002 |
256.6 |
0.086 |
| 2003 |
263.0 |
0.080 |
| 2004 |
270.4 |
0.073 |
| 2005 |
279.3 |
0.067 |
| 2006 |
290.0 |
0.061 |
| 2007 |
303.0 |
0.055 |
| 2008 |
318.5 |
0.051 |
| 2009 |
336.5 |
0.048 |
| 2010 |
356.8 |
0.045 |
| 2011 |
20.8 |
0.040 |
| 2012 |
55.9 |
0.031 |
| 2013 |
112.7 |
0.027 |
| 2014 |
155.1 |
0.040 |
| 2015 |
175.0 |
0.055 |
| 2016 |
186.3 |
0.070 |
| 2017 |
194.0 |
0.081 |
| 2018 |
199.8 |
0.091 |
| 2019 |
204.7 |
0.099 |
| 2020 |
208.9 |
0.105 |
| 2021 |
212.7 |
0.109 |
| 2022 |
216.3 |
0.112 |
| 2023 |
219.8 |
0.113 |
| 2024 |
223.1 |
0.114 |
| 2025 |
226.5 |
0.114 |
| 2026 |
229.9 |
0.112 |
| 2027 |
233.5 |
0.110 |
| 2028 |
237.2 |
0.107 |
| 2029 |
241.2 |
0.103 |
| 2030 |
245.5 |
0.098 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
