03401+3407 RBR 26 Aa,Ab
03h 40m 07.24s +34° 06' 59.3" P.A. 44.00 sep 0.5 mag 5.50,9.30 Sp F9V dist. 46.02 pc (150.12 l.y.)
Coord 2000 |
03401+3407 |
|
Discov num |
RBR 26 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
03 40 07.24 +34 06 59.3 |
|
Date first |
2013 |
|
Date last |
2013 |
|
Obs |
1 |
|
Pa first |
44 |
|
Pa last |
44 |
|
P.A. Now (θ) |
44° |
|
Sep first |
0.5 |
|
Sep last |
0.5 |
|
Sep. Now (ρ) |
0.5" |
|
Mag pri |
5.50 |
|
Mag sec |
9.30 |
|
delta mag (ΔM) |
3.8 |
|
Spectral class |
F9V (yellow-white) |
|
Pri motion ra |
-075 |
|
Sec motion ra |
|
|
Pri motion dec |
+001 |
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Sec motion dec |
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Notes |
N
K
(See Notes, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
03401+3407 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
56613 |
03 40 07 +34 06 59 |
RBR 26 Aa,Ab |
2013 |
1 |
44 |
0.5 |
5.50 |
9.30 |
3.80 |
Y |
<=== |
Show |
HD 22692 |
56613 |
03 40 07 +34 06 59 |
STF 425 AB |
2018 |
265 |
58 |
1.9 |
7.52 |
7.60 |
0.08 |
Y |
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Perseus |
|
SAO |
56613 |
|
HIP |
17129 |
|
Tycho2 |
2363-02172-1 |
|
Gaia DR2 |
218231518853187712 |
|
HD |
22692 |
|
ADS |
2668 |
|
BD |
BD+33 690 |
|
Distance |
46.02 |
|
Distance ly |
150.12 |
|
ORBITAL ELEMENTS
Period (P) | 106.5y | ± 1.7 |
Periastron (T) | 1980.19y | ± 0.94 |
Semi-major axis (a) | 0.179a | ± 0.008 |
Eccentricity (e) | 0.612 | ± 0.05 |
Inclination (i) | 106.8° | ± 2.4 |
Longitude of periastron (ω) | 77.8° | ± 3.4 |
Node (Ω) | 65.5° | ± 2.6 |
Notes | | |
Reference | GnR2015a | |
Equinox | 2000 | |
Last observation | 2013 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
234.5 |
0.169 |
2001 |
233.6 |
0.170 |
2002 |
232.8 |
0.171 |
2003 |
231.9 |
0.171 |
2004 |
231.1 |
0.171 |
2005 |
230.2 |
0.170 |
2006 |
229.4 |
0.170 |
2007 |
228.5 |
0.169 |
2008 |
227.6 |
0.168 |
2009 |
226.7 |
0.166 |
2010 |
225.8 |
0.165 |
2011 |
224.9 |
0.163 |
2012 |
224.0 |
0.161 |
2013 |
223.0 |
0.159 |
2014 |
222.0 |
0.157 |
2015 |
221.0 |
0.155 |
2016 |
219.9 |
0.152 |
2017 |
218.9 |
0.150 |
2018 |
217.7 |
0.147 |
2019 |
216.6 |
0.145 |
2020 |
215.4 |
0.142 |
2021 |
214.1 |
0.139 |
2022 |
212.8 |
0.136 |
2023 |
211.4 |
0.133 |
2024 |
210.0 |
0.130 |
2025 |
208.5 |
0.127 |
2026 |
206.9 |
0.124 |
2027 |
205.3 |
0.121 |
2028 |
203.5 |
0.118 |
2029 |
201.7 |
0.115 |
2030 |
199.8 |
0.112 |
|
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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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