01493+4754 CHR 4 Aa,Ab
01h 49m 15.47s +47° 53' 47.1" P.A. 251.00 sep 0.1 mag 6.47, Sp A3V dist. 127.55 pc (416.07 l.y.)
| Coord 2000 |
01493+4754 |
|
Discov num |
CHR 4 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
01 49 15.47 +47 53 47.1 |
|
| Date first |
1984 |
|
Date last |
1994 |
|
Obs |
7 |
|
| Pa first |
194 |
|
Pa last |
251.2 |
|
P.A. Now (θ) |
251.2° |
|
| Sep first |
0.1 |
|
Sep last |
0.121 |
|
Sep. Now (ρ) |
0.121" |
|
| Mag pri |
6.47 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
A3V (white) |
|
| Pri motion ra |
-015 |
|
Sec motion ra |
|
|
| Pri motion dec |
-009 |
|
Sec motion dec |
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|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
01493+4754 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
37536 |
01 49 15 +47 53 47 |
CHR 4 Aa,Ab |
1994 |
7 |
251 |
0.1 |
6.47 |
|
|
Y |
<=== |
| Show |
HD 11031 |
37536 |
01 49 15 +47 53 47 |
STF 162 AB |
2020 |
178 |
199 |
2.0 |
6.47 |
7.22 |
0.75 |
|
|
| Show |
|
37536 |
01 49 15 +47 53 47 |
STF 162 AC |
2020 |
65 |
178 |
20.7 |
6.47 |
9.24 |
2.77 |
|
|
| Show |
|
37536 |
01 49 15 +47 53 47 |
STF 162 AD |
2007 |
11 |
96 |
138.7 |
6.47 |
10.01 |
3.54 |
|
|
| Show |
|
|
01 49 15 +47 53 47 |
STF 162 BC |
2018 |
11 |
177 |
19.2 |
7.22 |
9.24 |
2.02 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Perseus |
|
SAO |
37536 |
|
HIP |
8475 |
|
Tycho2 |
3283-02002-1 |
|
| Gaia DR2 |
357046923445911040 |
|
HD |
11031 |
|
HR |
526 |
|
ADS |
1438 |
|
| BD |
BD+47 508 |
|
Distance |
127.55 |
|
Distance ly |
416.07 |
|
ORBITAL ELEMENTS
| Period (P) | 36.9y | |
Periastron (T) | 2004.8y | |
Semi-major axis (a) | 0.122a | |
| Eccentricity (e) | 0.234 | |
Inclination (i) | 34.4° | |
Longitude of periastron (ω) | 348.6° | |
| Node (Ω) | 32° | |
Notes | n | |
Reference | Zir2014b | |
| Equinox | 2000 | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
311.8 |
0.089 |
| 2001 |
326.9 |
0.087 |
| 2002 |
342.3 |
0.087 |
| 2003 |
357.3 |
0.089 |
| 2004 |
11.6 |
0.091 |
| 2005 |
25.2 |
0.093 |
| 2006 |
38.5 |
0.094 |
| 2007 |
51.6 |
0.094 |
| 2008 |
64.8 |
0.094 |
| 2009 |
78.1 |
0.093 |
| 2010 |
91.4 |
0.094 |
| 2011 |
104.4 |
0.095 |
| 2012 |
116.9 |
0.098 |
| 2013 |
128.5 |
0.102 |
| 2014 |
139.2 |
0.107 |
| 2015 |
148.7 |
0.113 |
| 2016 |
157.4 |
0.119 |
| 2017 |
165.2 |
0.125 |
| 2018 |
172.2 |
0.131 |
| 2019 |
178.8 |
0.136 |
| 2020 |
184.8 |
0.141 |
| 2021 |
190.5 |
0.145 |
| 2022 |
196.0 |
0.148 |
| 2023 |
201.3 |
0.149 |
| 2024 |
206.4 |
0.150 |
| 2025 |
211.6 |
0.150 |
| 2026 |
216.9 |
0.148 |
| 2027 |
222.3 |
0.146 |
| 2028 |
227.9 |
0.142 |
| 2029 |
233.8 |
0.137 |
| 2030 |
240.3 |
0.132 |
|
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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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