01112+4113 A 655 (HD 7018)
01h 11m 14.56s +41° 13' 17.3" P.A. 5.00 sep 0.2 mag 8.35,9.36 Sp G5 dist. 116.28 pc (379.31 l.y.)
| Coord 2000 |
01112+4113 |
|
Discov num |
A 655 |
|
Comp |
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|
Coord arcsec 2000 |
01 11 14.56 +41 13 17.3 |
|
| Date first |
1904 |
|
Date last |
2014 |
|
Obs |
64 |
|
| Pa first |
145 |
|
Pa last |
5.1 |
|
P.A. Now (θ) |
15° |
|
| Sep first |
0.3 |
|
Sep last |
0.223 |
|
Sep. Now (ρ) |
0.231" |
|
| Mag pri |
8.35 |
|
Mag sec |
9.36 |
|
delta mag (ΔM) |
1.01 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+054 |
|
Sec motion ra |
|
|
| Pri motion dec |
-028 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 7018 |
|
Constellation |
Andromeda |
|
SAO |
37001 |
|
HIP |
5553 |
|
| Tycho2 |
2804-00925-1 |
|
Gaia DR2 |
372775334201165824 |
|
HD |
7018 |
|
GC |
1433 |
|
| ADS |
974 |
|
BD |
BD+40 235 |
|
Distance |
116.28 |
|
Distance ly |
379.31 |
|
ORBITAL ELEMENTS
| Period (P) | 153.09y | ± 4.78 |
Periastron (T) | 2040.77y | ± 2.97 |
Semi-major axis (a) | 0.338a | ± 0.007 |
| Eccentricity (e) | 0.185 | ± 0.012 |
Inclination (i) | 53.1° | ± 0.8 |
Longitude of periastron (ω) | 290.5° | ± 5.3 |
| Node (Ω) | 157.5° | ± 1.1 |
Notes | n | |
Reference | Cve2006e | |
| Equinox | 2000 | |
Last observation | 1995 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
334.2 |
0.354 |
| 2001 |
335.4 |
0.353 |
| 2002 |
336.7 |
0.350 |
| 2003 |
338.0 |
0.348 |
| 2004 |
339.3 |
0.345 |
| 2005 |
340.7 |
0.342 |
| 2006 |
342.0 |
0.339 |
| 2007 |
343.4 |
0.335 |
| 2008 |
344.9 |
0.331 |
| 2009 |
346.3 |
0.326 |
| 2010 |
347.9 |
0.321 |
| 2011 |
349.4 |
0.316 |
| 2012 |
351.0 |
0.310 |
| 2013 |
352.7 |
0.304 |
| 2014 |
354.5 |
0.298 |
| 2015 |
356.3 |
0.292 |
| 2016 |
358.2 |
0.285 |
| 2017 |
0.2 |
0.278 |
| 2018 |
2.3 |
0.270 |
| 2019 |
4.5 |
0.263 |
| 2020 |
6.9 |
0.255 |
| 2021 |
9.4 |
0.247 |
| 2022 |
12.1 |
0.239 |
| 2023 |
15.0 |
0.231 |
| 2024 |
18.0 |
0.223 |
| 2025 |
21.3 |
0.216 |
| 2026 |
24.9 |
0.208 |
| 2027 |
28.6 |
0.201 |
| 2028 |
32.7 |
0.194 |
| 2029 |
37.1 |
0.188 |
| 2030 |
41.7 |
0.182 |
|
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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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