02174+6121 STF 234 AB
02h 17m 23.00s +61° 21' 06.5" P.A. 222.00 sep 0.6 mag 8.74,9.40 Sp G2V dist. 59.14 pc (192.91 l.y.)
Coord 2000 |
02174+6121 |
|
Discov num |
STF 234 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 17 23.00 +61 21 06.5 |
|
Date first |
1831 |
|
Date last |
2012 |
|
Obs |
73 |
|
Pa first |
239 |
|
Pa last |
222.4 |
|
P.A. Now (θ) |
222.4° |
|
Sep first |
0.8 |
|
Sep last |
0.641 |
|
Sep. Now (ρ) |
0.641" |
|
Mag pri |
8.74 |
|
Mag sec |
9.40 |
|
delta mag (ΔM) |
0.66 |
|
Spectral class |
G2V (yellow) |
|
Pri motion ra |
+051 |
|
Sec motion ra |
+051 |
|
Pri motion dec |
-087 |
|
Sec motion dec |
-087 |
|
Notes |
O
(Orbital solution) |
|
This double is physical.
02174+6121 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
12207 |
02 17 23 +61 21 06 |
STF 234 AB |
2012 |
73 |
222 |
0.6 |
8.74 |
9.40 |
0.66 |
Y |
<=== |
Show |
HD 13864 |
12207 |
02 17 23 +61 21 06 |
STF 234 AB,C |
2014 |
7 |
248 |
83.5 |
8.26 |
12.38 |
4.12 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cassiopeia |
|
SAO |
12207 |
|
HIP |
10677 |
|
Tycho2 |
4046-00286-1 |
|
Gaia DR2 |
513697364421968000 |
|
HD |
13864 |
|
GC |
2727 |
|
ADS |
1737 |
|
BD |
BD+60 457 |
|
Distance |
59.14 |
|
Distance ly |
192.91 |
|
ORBITAL ELEMENTS
Period (P) | 139.868y | |
Periastron (T) | 1909.214y | |
Semi-major axis (a) | 0.51a | |
Eccentricity (e) | 0.718 | |
Inclination (i) | 123.5° | |
Longitude of periastron (ω) | 353.9° | |
Node (Ω) | 54.8° | |
Notes | | |
Reference | Sta1983 | |
Equinox | 1900 | |
Last observation | 1978 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
230.9 |
0.816 |
2001 |
230.5 |
0.810 |
2002 |
230.1 |
0.803 |
2003 |
229.7 |
0.796 |
2004 |
229.3 |
0.789 |
2005 |
228.8 |
0.781 |
2006 |
228.4 |
0.772 |
2007 |
228.0 |
0.764 |
2008 |
227.5 |
0.755 |
2009 |
227.1 |
0.745 |
2010 |
226.6 |
0.735 |
2011 |
226.1 |
0.725 |
2012 |
225.6 |
0.715 |
2013 |
225.1 |
0.703 |
2014 |
224.6 |
0.692 |
2015 |
224.0 |
0.680 |
2016 |
223.5 |
0.667 |
2017 |
222.9 |
0.655 |
2018 |
222.3 |
0.641 |
2019 |
221.6 |
0.627 |
2020 |
221.0 |
0.613 |
2021 |
220.3 |
0.598 |
2022 |
219.5 |
0.583 |
2023 |
218.8 |
0.567 |
2024 |
217.9 |
0.550 |
2025 |
217.1 |
0.533 |
2026 |
216.1 |
0.516 |
2027 |
215.1 |
0.498 |
2028 |
214.0 |
0.479 |
2029 |
212.9 |
0.460 |
2030 |
211.6 |
0.440 |
|
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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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