04563+5206 HU 555 AB
04h 56m 16.87s +52° 05' 52.2" P.A. 70.00 sep 0.2 mag 8.83,9.14 Sp F8 dist. 124.38 pc (405.73 l.y.)
Coord 2000 |
04563+5206 |
|
Discov num |
HU 555 |
|
Comp |
AB |
|
Coord arcsec 2000 |
04 56 16.87 +52 05 52.2 |
|
Date first |
1902 |
|
Date last |
2007 |
|
Obs |
15 |
|
Pa first |
310 |
|
Pa last |
69.6 |
|
P.A. Now (θ) |
69.6° |
|
Sep first |
0.2 |
|
Sep last |
0.207 |
|
Sep. Now (ρ) |
0.207" |
|
Mag pri |
8.83 |
|
Mag sec |
9.14 |
|
delta mag (ΔM) |
0.31 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
|
|
Pri motion dec |
-054 |
|
Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
04563+5206 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
24922 |
04 56 17 +52 05 52 |
HU 555 AB |
2007 |
15 |
70 |
0.2 |
8.83 |
9.14 |
0.31 |
Y |
<=== |
Show |
HD 31166 |
24922 |
04 56 17 +52 05 52 |
STF 608 AB,C |
2019 |
31 |
114 |
4.7 |
8.19 |
9.50 |
1.31 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Auriga |
|
SAO |
24922 |
|
HIP |
22951 |
|
Tycho2 |
3356-01206-1 |
|
Gaia DR2 |
260694108166421504 |
|
HD |
31166 |
|
GC |
5992 |
|
ADS |
3520 |
|
BD |
BD+51 999 |
|
Distance |
124.38 |
|
Distance ly |
405.73 |
|
ORBITAL ELEMENTS
Period (P) | 72.1y | |
Periastron (T) | 1968.1y | |
Semi-major axis (a) | 0.21a | |
Eccentricity (e) | 0.44 | |
Inclination (i) | 48.7° | |
Longitude of periastron (ω) | 104° | |
Node (Ω) | 129.4° | |
Notes | n | |
Reference | Hei1976 | |
Equinox | 2000 | |
Last observation | 1975 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
46.9 |
0.199 |
2001 |
50.2 |
0.200 |
2002 |
53.4 |
0.202 |
2003 |
56.5 |
0.205 |
2004 |
59.6 |
0.207 |
2005 |
62.7 |
0.209 |
2006 |
65.6 |
0.211 |
2007 |
68.5 |
0.213 |
2008 |
71.3 |
0.216 |
2009 |
74.1 |
0.218 |
2010 |
76.8 |
0.220 |
2011 |
79.5 |
0.222 |
2012 |
82.1 |
0.224 |
2013 |
84.7 |
0.226 |
2014 |
87.3 |
0.227 |
2015 |
89.8 |
0.228 |
2016 |
92.3 |
0.229 |
2017 |
94.7 |
0.230 |
2018 |
97.2 |
0.230 |
2019 |
99.7 |
0.230 |
2020 |
102.1 |
0.230 |
2021 |
104.6 |
0.229 |
2022 |
107.1 |
0.227 |
2023 |
109.7 |
0.225 |
2024 |
112.3 |
0.222 |
2025 |
115.0 |
0.218 |
2026 |
117.7 |
0.214 |
2027 |
120.7 |
0.209 |
2028 |
123.8 |
0.202 |
2029 |
127.1 |
0.195 |
2030 |
130.6 |
0.187 |
|
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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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