22431+4710 HU 91 BC
22h 43m 04.32s +47° 10' 07.5" P.A. 21.00 sep 0.1 mag 8.00,10.00 Sp A1V+... dist. 775.19 pc (2528.67 l.y.)
| Coord 2000 |
22431+4710 |
|
Discov num |
HU 91 |
|
Comp |
BC |
|
Coord arcsec 2000 |
22 43 04.32 +47 10 07.5 |
|
| Date first |
1898 |
|
Date last |
2007 |
|
Obs |
23 |
|
| Pa first |
227 |
|
Pa last |
21.4 |
|
P.A. Now (θ) |
21.4° |
|
| Sep first |
0.2 |
|
Sep last |
0.1 |
|
Sep. Now (ρ) |
0.1" |
|
| Mag pri |
8.00 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
A1V+... (white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
22431+4710 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
NSV14290 |
52296 |
22 43 04 +47 10 08 |
STT 476 A,BC |
2018 |
77 |
303 |
0.5 |
7.37 |
7.06 |
0.31 |
|
|
| Show |
|
52296 |
22 43 04 +47 10 08 |
STT 476 AC |
2007 |
9 |
302 |
0.5 |
7.37 |
10.00 |
2.63 |
|
|
| Show |
|
52296 |
22 43 04 +47 10 08 |
HU 91 BC |
2007 |
23 |
21 |
0.1 |
8.00 |
10.00 |
2.00 |
Y |
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV14290 |
|
Constellation |
Lacerta |
|
SAO |
52296 |
|
HIP |
112170 |
|
| Tycho2 |
3625-01055-1 |
|
Gaia DR2 |
1983551244599642496 |
|
HD |
215242 |
|
HR |
8652 |
|
| ADS |
16214 |
|
BD |
BD+46 3803 |
|
Distance |
775.19 |
|
Distance ly |
2528.67 |
|
ORBITAL ELEMENTS
| Period (P) | 240y | |
Periastron (T) | 1985y | |
Semi-major axis (a) | 0.143a | |
| Eccentricity (e) | 0.3 | |
Inclination (i) | 99° | |
Longitude of periastron (ω) | 110° | |
| Node (Ω) | 208° | |
Notes | n | |
Reference | Tok1997 | |
| Equinox | 2000 | |
Last observation | 2000 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
32.8 |
0.094 |
| 2001 |
32.3 |
0.097 |
| 2002 |
31.8 |
0.100 |
| 2003 |
31.3 |
0.102 |
| 2004 |
30.9 |
0.105 |
| 2005 |
30.5 |
0.107 |
| 2006 |
30.1 |
0.109 |
| 2007 |
29.7 |
0.111 |
| 2008 |
29.4 |
0.113 |
| 2009 |
29.0 |
0.114 |
| 2010 |
28.7 |
0.116 |
| 2011 |
28.3 |
0.117 |
| 2012 |
28.0 |
0.118 |
| 2013 |
27.7 |
0.119 |
| 2014 |
27.3 |
0.120 |
| 2015 |
27.0 |
0.121 |
| 2016 |
26.7 |
0.121 |
| 2017 |
26.4 |
0.122 |
| 2018 |
26.1 |
0.122 |
| 2019 |
25.8 |
0.123 |
| 2020 |
25.5 |
0.123 |
| 2021 |
25.2 |
0.123 |
| 2022 |
24.9 |
0.123 |
| 2023 |
24.6 |
0.122 |
| 2024 |
24.3 |
0.122 |
| 2025 |
24.0 |
0.122 |
| 2026 |
23.6 |
0.121 |
| 2027 |
23.3 |
0.120 |
| 2028 |
23.0 |
0.120 |
| 2029 |
22.7 |
0.119 |
| 2030 |
22.4 |
0.118 |
|
|
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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