06221+5922 STF 881 AB (4 Lyn)
06h 22m 03.57s +59° 22' 19.5" P.A. 149.00 sep 0.7 mag 6.13,7.71 Sp A3V dist. 152.21 pc (496.51 l.y.)
| Coord 2000 |
06221+5922 |
|
Discov num |
STF 881 |
|
Comp |
AB |
|
Coord arcsec 2000 |
06 22 03.57 +59 22 19.5 |
|
| Date first |
1830 |
|
Date last |
2020 |
|
Obs |
154 |
|
| Pa first |
89 |
|
Pa last |
148.8 |
|
P.A. Now (θ) |
148.8° |
|
| Sep first |
0.8 |
|
Sep last |
0.66 |
|
Sep. Now (ρ) |
0.66" |
|
| Mag pri |
6.13 |
|
Mag sec |
7.71 |
|
delta mag (ΔM) |
1.58 |
|
Spectral class |
A3V (white) |
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-000 |
|
Sec motion dec |
-000 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
06221+5922 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
25678 |
06 22 04 +59 22 20 |
CHR 128 Aa,Ab |
1986 |
1 |
110 |
0.2 |
6.27 |
7.38 |
1.11 |
|
|
| Show |
4 Lyn |
25678 |
06 22 04 +59 22 20 |
STF 881 AB |
2020 |
154 |
149 |
0.7 |
6.13 |
7.71 |
1.58 |
Y |
<=== |
| Show |
|
25678 |
06 22 04 +59 22 20 |
STF 881 AC |
2022 |
11 |
98 |
26.7 |
6.13 |
12.90 |
6.77 |
|
|
| Show |
|
25678 |
06 22 04 +59 22 20 |
STF 881 AD |
2022 |
11 |
357 |
100.4 |
6.13 |
11.89 |
5.76 |
|
|
| Show |
|
25678 |
06 22 04 +59 22 20 |
WAL 45 AB,E |
2013 |
5 |
32 |
75.0 |
6.13 |
12.21 |
6.08 |
|
|
Septuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
4 Lyn |
|
Constellation |
Lynx |
|
SAO |
25678 |
|
HIP |
30272 |
|
| Tycho2 |
3776-02464-1 |
|
Gaia DR2 |
1004750291151290624 |
|
HD |
43812 |
|
HR |
2257 |
|
| GC |
8147 |
|
ADS |
4950 |
|
BD |
BD+59 964 |
|
Flamsteed |
4 Lyncis |
|
| Flamsteed name |
4 Lyn |
|
Distance |
152.21 |
|
Distance ly |
496.51 |
|
ORBITAL ELEMENTS
| Period (P) | 503y | |
Periastron (T) | 1650y | |
Semi-major axis (a) | 0.683a | |
| Eccentricity (e) | 0.518 | |
Inclination (i) | 43.7° | |
Longitude of periastron (ω) | 233.8° | |
| Node (Ω) | 61.2° | |
Notes | n | |
Reference | Zir2013a | |
| Equinox | 2000 | |
Last observation | 2007 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
140.4 |
0.669 |
| 2001 |
140.9 |
0.667 |
| 2002 |
141.4 |
0.665 |
| 2003 |
141.8 |
0.663 |
| 2004 |
142.3 |
0.660 |
| 2005 |
142.8 |
0.658 |
| 2006 |
143.3 |
0.656 |
| 2007 |
143.7 |
0.654 |
| 2008 |
144.2 |
0.651 |
| 2009 |
144.7 |
0.649 |
| 2010 |
145.2 |
0.647 |
| 2011 |
145.7 |
0.645 |
| 2012 |
146.2 |
0.642 |
| 2013 |
146.7 |
0.640 |
| 2014 |
147.2 |
0.638 |
| 2015 |
147.7 |
0.636 |
| 2016 |
148.2 |
0.633 |
| 2017 |
148.7 |
0.631 |
| 2018 |
149.3 |
0.629 |
| 2019 |
149.8 |
0.627 |
| 2020 |
150.3 |
0.624 |
| 2021 |
150.9 |
0.622 |
| 2022 |
151.4 |
0.620 |
| 2023 |
151.9 |
0.618 |
| 2024 |
152.5 |
0.616 |
| 2025 |
153.0 |
0.613 |
| 2026 |
153.6 |
0.611 |
| 2027 |
154.1 |
0.609 |
| 2028 |
154.7 |
0.607 |
| 2029 |
155.2 |
0.605 |
| 2030 |
155.8 |
0.603 |
|
|
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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