03151+1618 HU 1055 AB
03h 15m 07.58s +16° 18' 12.9" P.A. 120.00 sep 0.6 mag 9.40,9.90 Sp G0 dist. 75.41 pc (245.99 l.y.)
| Coord 2000 |
03151+1618 |
|
Discov num |
HU 1055 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 15 07.58 +16 18 12.9 |
|
| Date first |
1904 |
|
Date last |
2015 |
|
Obs |
39 |
|
| Pa first |
124 |
|
Pa last |
119.7 |
|
P.A. Now (θ) |
119.7° |
|
| Sep first |
0.4 |
|
Sep last |
0.62 |
|
Sep. Now (ρ) |
0.62" |
|
| Mag pri |
9.40 |
|
Mag sec |
9.90 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+122 |
|
Sec motion ra |
|
|
| Pri motion dec |
-082 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
03151+1618 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
03 15 08 +16 18 13 |
HU 1055 AB |
2015 |
39 |
120 |
0.6 |
9.40 |
9.90 |
0.50 |
Y |
<=== |
| Show |
|
93358 |
03 15 08 +16 18 13 |
ENG 13 AB,C |
2012 |
19 |
185 |
172.2 |
8.91 |
8.50 |
0.41 |
|
|
| Show |
|
|
03 15 08 +16 18 13 |
BUP 41 AB,D |
2015 |
4 |
240 |
189.7 |
8.91 |
14.17 |
5.26 |
|
|
| Show |
|
|
03 15 08 +16 18 13 |
JRN 2 AB,E |
2015 |
6 |
263 |
251.1 |
8.91 |
12.29 |
3.38 |
|
|
| Show |
|
93358 |
03 15 06 +16 15 19 |
BUP 41 CD |
2014 |
7 |
298 |
163.8 |
8.50 |
14.17 |
5.67 |
|
|
Quintuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aries |
|
HIP |
15134 |
|
Tycho2 |
1232-00276-1 |
|
Gaia DR2 |
55259667705628928 |
|
| ADS |
2429 |
|
BD |
BD+15 452 |
|
Distance |
75.41 |
|
Distance ly |
245.99 |
|
ORBITAL ELEMENTS
| Period (P) | 100.5y | ± 4.6 |
Periastron (T) | 1991.3y | ± 0.69 |
Semi-major axis (a) | 0.442a | ± 0.045 |
| Eccentricity (e) | 0.975 | ± 0.006 |
Inclination (i) | 126° | ± 7 |
Longitude of periastron (ω) | 286° | ± 10 |
| Node (Ω) | 227° | ± 16 |
Notes | n | |
Reference | Hrt2000a | |
| Equinox | 2000 | |
Last observation | 1996 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
132.8 |
0.247 |
| 2001 |
131.4 |
0.263 |
| 2002 |
130.2 |
0.279 |
| 2003 |
129.0 |
0.294 |
| 2004 |
128.0 |
0.308 |
| 2005 |
127.1 |
0.322 |
| 2006 |
126.3 |
0.335 |
| 2007 |
125.5 |
0.347 |
| 2008 |
124.7 |
0.359 |
| 2009 |
124.1 |
0.370 |
| 2010 |
123.4 |
0.381 |
| 2011 |
122.8 |
0.392 |
| 2012 |
122.2 |
0.401 |
| 2013 |
121.7 |
0.411 |
| 2014 |
121.1 |
0.420 |
| 2015 |
120.6 |
0.429 |
| 2016 |
120.1 |
0.437 |
| 2017 |
119.7 |
0.446 |
| 2018 |
119.2 |
0.453 |
| 2019 |
118.8 |
0.461 |
| 2020 |
118.4 |
0.468 |
| 2021 |
117.9 |
0.474 |
| 2022 |
117.5 |
0.481 |
| 2023 |
117.2 |
0.487 |
| 2024 |
116.8 |
0.493 |
| 2025 |
116.4 |
0.498 |
| 2026 |
116.0 |
0.503 |
| 2027 |
115.7 |
0.508 |
| 2028 |
115.3 |
0.513 |
| 2029 |
115.0 |
0.517 |
| 2030 |
114.6 |
0.521 |
|
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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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