08183+3859 STF 1211 AB
08h 18m 19.65s +38° 59' 10.0" P.A. 162.00 sep 0.4 mag 9.65,9.97 Sp K0 dist. 62.97 pc (205.41 l.y.)
| Coord 2000 |
08183+3859 |
|
Discov num |
STF1211 |
|
Comp |
AB |
|
Coord arcsec 2000 |
08 18 19.65 +38 59 10.0 |
|
| Date first |
1831 |
|
Date last |
2020 |
|
Obs |
55 |
|
| Pa first |
133 |
|
Pa last |
161.5 |
|
P.A. Now (θ) |
161.5° |
|
| Sep first |
1.6 |
|
Sep last |
0.37 |
|
Sep. Now (ρ) |
0.37" |
|
| Mag pri |
9.65 |
|
Mag sec |
9.97 |
|
delta mag (ΔM) |
0.32 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-115 |
|
Sec motion ra |
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| Pri motion dec |
-184 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
08183+3859 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
08 18 20 +38 59 10 |
STF 1211 AB |
2020 |
55 |
162 |
0.4 |
9.65 |
9.97 |
0.32 |
Y |
<=== |
| Show |
|
|
08 18 20 +38 59 10 |
STF 1211 AC |
2017 |
6 |
15 |
51.9 |
9.65 |
14.90 |
5.25 |
|
|
| Show |
|
|
08 18 20 +38 59 10 |
STF 1211 AD |
2017 |
14 |
134 |
123.2 |
9.65 |
10.05 |
0.40 |
|
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Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lynx |
|
HIP |
40681 |
|
Tycho2 |
2974-00181-1 |
|
ADS |
6721 |
|
| BD |
BD+39 2083 |
|
Distance |
62.97 |
|
Distance ly |
205.41 |
|
ORBITAL ELEMENTS
| Period (P) | 407y | |
Periastron (T) | 1959y | |
Semi-major axis (a) | 1.11a | |
| Eccentricity (e) | 0.65 | |
Inclination (i) | 98.5° | |
Longitude of periastron (ω) | 157° | |
| Node (Ω) | 133.5° | |
Notes | n | |
Reference | Hei1996c | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
211.0 |
0.134 |
| 2001 |
204.4 |
0.140 |
| 2002 |
198.5 |
0.148 |
| 2003 |
193.2 |
0.157 |
| 2004 |
188.6 |
0.168 |
| 2005 |
184.5 |
0.179 |
| 2006 |
180.9 |
0.191 |
| 2007 |
177.7 |
0.204 |
| 2008 |
175.0 |
0.217 |
| 2009 |
172.5 |
0.230 |
| 2010 |
170.3 |
0.244 |
| 2011 |
168.4 |
0.258 |
| 2012 |
166.7 |
0.272 |
| 2013 |
165.1 |
0.287 |
| 2014 |
163.7 |
0.301 |
| 2015 |
162.4 |
0.316 |
| 2016 |
161.2 |
0.330 |
| 2017 |
160.1 |
0.345 |
| 2018 |
159.2 |
0.360 |
| 2019 |
158.2 |
0.375 |
| 2020 |
157.4 |
0.389 |
| 2021 |
156.6 |
0.404 |
| 2022 |
155.9 |
0.419 |
| 2023 |
155.2 |
0.433 |
| 2024 |
154.6 |
0.448 |
| 2025 |
154.0 |
0.462 |
| 2026 |
153.5 |
0.477 |
| 2027 |
152.9 |
0.491 |
| 2028 |
152.4 |
0.506 |
| 2029 |
152.0 |
0.520 |
| 2030 |
151.5 |
0.535 |
|
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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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