03054+2515 STF 346 AB
03h 05m 26.69s +25° 15' 18.7" P.A. 256.00 sep 0.5 mag 6.21,6.19 Sp B7V dist. 165.29 pc (539.18 l.y.)
| Coord 2000 |
03054+2515 |
|
Discov num |
STF 346 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 05 26.69 +25 15 18.7 |
|
| Date first |
1832 |
|
Date last |
2016 |
|
Obs |
156 |
|
| Pa first |
265 |
|
Pa last |
256.2 |
|
P.A. Now (θ) |
259.4° |
|
| Sep first |
0.7 |
|
Sep last |
0.472 |
|
Sep. Now (ρ) |
0.535" |
|
| Mag pri |
6.21 |
|
Mag sec |
6.19 |
|
delta mag (ΔM) |
0.02 |
|
Spectral class |
B7V (blue-white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-012 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
03054+2515 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
75723 |
03 05 27 +25 15 19 |
STF 346 AB |
2016 |
156 |
256 |
0.5 |
6.21 |
6.19 |
0.02 |
Y |
<=== |
| Show |
|
|
03 05 27 +25 15 19 |
STF 346 AB,C |
2005 |
52 |
358 |
5.1 |
5.46 |
10.80 |
5.34 |
|
|
| Show |
|
|
03 05 27 +25 15 19 |
STF 346 AB,D |
2013 |
8 |
83 |
102.1 |
5.46 |
13.27 |
7.81 |
|
|
| Show |
|
|
03 05 27 +25 15 19 |
STF 346 AB,E |
2014 |
5 |
192 |
133.5 |
5.46 |
12.75 |
7.29 |
|
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Quintuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aries |
|
SAO |
75723 |
|
HIP |
14376 |
|
Tycho2 |
1787-01187-1 |
|
| Gaia DR2 |
111968221155410048 |
|
HD |
19134 |
|
HR |
927 |
|
GC |
3697 |
|
| ADS |
2336 |
|
BD |
BD+24 431 |
|
Flamsteed |
52 Arietis |
|
Flamsteed name |
52 Ari |
|
| Distance |
165.29 |
|
Distance ly |
539.18 |
|
ORBITAL ELEMENTS
| Period (P) | 227y | |
Periastron (T) | 1938.5y | |
Semi-major axis (a) | 0.47a | |
| Eccentricity (e) | 0.73 | |
Inclination (i) | 77.5° | |
Longitude of periastron (ω) | 323° | |
| Node (Ω) | 92.8° | |
Notes | n | |
Reference | Hei1981a | |
| Equinox | 2000 | |
Last observation | 1980 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
253.7 |
0.386 |
| 2001 |
254.0 |
0.394 |
| 2002 |
254.4 |
0.401 |
| 2003 |
254.7 |
0.408 |
| 2004 |
255.0 |
0.415 |
| 2005 |
255.3 |
0.423 |
| 2006 |
255.6 |
0.430 |
| 2007 |
255.8 |
0.436 |
| 2008 |
256.1 |
0.443 |
| 2009 |
256.4 |
0.450 |
| 2010 |
256.6 |
0.457 |
| 2011 |
256.9 |
0.463 |
| 2012 |
257.1 |
0.470 |
| 2013 |
257.3 |
0.476 |
| 2014 |
257.6 |
0.482 |
| 2015 |
257.8 |
0.489 |
| 2016 |
258.0 |
0.495 |
| 2017 |
258.2 |
0.501 |
| 2018 |
258.4 |
0.507 |
| 2019 |
258.6 |
0.513 |
| 2020 |
258.8 |
0.518 |
| 2021 |
259.0 |
0.524 |
| 2022 |
259.2 |
0.530 |
| 2023 |
259.4 |
0.535 |
| 2024 |
259.5 |
0.541 |
| 2025 |
259.7 |
0.546 |
| 2026 |
259.9 |
0.551 |
| 2027 |
260.1 |
0.557 |
| 2028 |
260.2 |
0.562 |
| 2029 |
260.4 |
0.567 |
| 2030 |
260.5 |
0.572 |
|
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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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