01345+3440 A 1913 AB
01h 34m 29.69s +34° 39' 39.5" P.A. 310.00 sep 0.4 mag 10.46,10.68 Sp G0 dist. 211.42 pc (689.65 l.y.)
| Coord 2000 |
01345+3440 |
|
Discov num |
A 1913 |
|
Comp |
AB |
|
Coord arcsec 2000 |
01 34 29.69 +34 39 39.5 |
|
| Date first |
1908 |
|
Date last |
2013 |
|
Obs |
32 |
|
| Pa first |
268 |
|
Pa last |
309.5 |
|
P.A. Now (θ) |
309.5° |
|
| Sep first |
0.2 |
|
Sep last |
0.422 |
|
Sep. Now (ρ) |
0.422" |
|
| Mag pri |
10.46 |
|
Mag sec |
10.68 |
|
delta mag (ΔM) |
0.22 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-015 |
|
Sec motion ra |
|
|
| Pri motion dec |
-040 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
01345+3440 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
01 34 30 +34 39 40 |
A 1913 AB |
2013 |
32 |
310 |
0.4 |
10.46 |
10.68 |
0.22 |
Y |
<=== |
| Show |
|
|
01 34 30 +34 39 40 |
A 1913 AB,C |
2014 |
20 |
337 |
70.9 |
9.75 |
9.57 |
0.18 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Triangulum |
|
HIP |
7337 |
|
Tycho2 |
2301-00733-1 |
|
ADS |
1227 |
|
| BD |
BD+33 257 |
|
Distance |
211.42 |
|
Distance ly |
689.65 |
|
ORBITAL ELEMENTS
| Period (P) | 275.5y | |
Periastron (T) | 2088.9y | |
Semi-major axis (a) | 0.33a | |
| Eccentricity (e) | 0.188 | |
Inclination (i) | 111.2° | |
Longitude of periastron (ω) | 94.3° | |
| Node (Ω) | 117.2° | |
Notes | | |
Reference | Mnt1999a | |
| Equinox | 2000 | |
Last observation | 1991 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
133.6 |
0.296 |
| 2001 |
133.0 |
0.298 |
| 2002 |
132.5 |
0.301 |
| 2003 |
131.9 |
0.303 |
| 2004 |
131.4 |
0.306 |
| 2005 |
130.8 |
0.308 |
| 2006 |
130.3 |
0.310 |
| 2007 |
129.8 |
0.312 |
| 2008 |
129.2 |
0.314 |
| 2009 |
128.7 |
0.316 |
| 2010 |
128.2 |
0.318 |
| 2011 |
127.7 |
0.319 |
| 2012 |
127.2 |
0.321 |
| 2013 |
126.8 |
0.322 |
| 2014 |
126.3 |
0.324 |
| 2015 |
125.8 |
0.325 |
| 2016 |
125.3 |
0.326 |
| 2017 |
124.8 |
0.327 |
| 2018 |
124.4 |
0.328 |
| 2019 |
123.9 |
0.328 |
| 2020 |
123.4 |
0.329 |
| 2021 |
123.0 |
0.329 |
| 2022 |
122.5 |
0.330 |
| 2023 |
122.0 |
0.330 |
| 2024 |
121.6 |
0.330 |
| 2025 |
121.1 |
0.330 |
| 2026 |
120.6 |
0.329 |
| 2027 |
120.2 |
0.329 |
| 2028 |
119.7 |
0.328 |
| 2029 |
119.2 |
0.328 |
| 2030 |
118.8 |
0.327 |
|
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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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