01191+8052 STT 28 AB (HD 7471)
01h 19m 07.19s +80° 51' 42.6" P.A. 296.00 sep 0.9 mag 7.55,8.75 Sp F3V dist. 156.25 pc (509.69 l.y.)
| Coord 2000 |
01191+8052 |
|
Discov num |
STT 28 |
|
Comp |
AB |
|
Coord arcsec 2000 |
01 19 07.19 +80 51 42.6 |
|
| Date first |
1847 |
|
Date last |
2006 |
|
Obs |
44 |
|
| Pa first |
321 |
|
Pa last |
296.1 |
|
P.A. Now (θ) |
296.1° |
|
| Sep first |
0.6 |
|
Sep last |
0.87 |
|
Sep. Now (ρ) |
0.87" |
|
| Mag pri |
7.55 |
|
Mag sec |
8.75 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
F3V (yellow-white) |
|
| Pri motion ra |
+048 |
|
Sec motion ra |
+048 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
01191+8052 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 7471 |
218 |
01 19 07 +80 51 43 |
STT 28 AB |
2006 |
44 |
296 |
0.9 |
7.55 |
8.75 |
1.20 |
Y |
<=== |
| Show |
|
218 |
01 19 07 +80 51 43 |
STTA 14 AB,C |
2003 |
23 |
24 |
127.6 |
7.56 |
6.69 |
0.87 |
|
|
| Show |
|
221 |
01 19 29 +80 53 39 |
BU 1359 CD |
2015 |
7 |
154 |
70.2 |
6.69 |
11.64 |
4.95 |
|
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Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 7471 |
|
Constellation |
Cepheus |
|
SAO |
218 |
|
HIP |
6167 |
|
| Tycho2 |
4505-01169-1 |
|
Gaia DR2 |
566072570741334656 |
|
HD |
7471 |
|
ADS |
1030 |
|
| BD |
BD+80 35 |
|
Distance |
156.25 |
|
Distance ly |
509.69 |
|
ORBITAL ELEMENTS
| Period (P) | 870y | ± 34 |
Periastron (T) | 1758.4y | ± 2.4 |
Semi-major axis (a) | 0.877a | ± 0.024 |
| Eccentricity (e) | 0.382 | ± 0.005 |
Inclination (i) | 124.8° | ± 0.7 |
Longitude of periastron (ω) | 86.1° | ± 3.9 |
| Node (Ω) | 136.1° | ± 0.3 |
Notes | | |
Reference | PkO2018b | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
287.9 |
0.860 |
| 2001 |
287.7 |
0.860 |
| 2002 |
287.5 |
0.859 |
| 2003 |
287.2 |
0.859 |
| 2004 |
287.0 |
0.858 |
| 2005 |
286.8 |
0.857 |
| 2006 |
286.6 |
0.857 |
| 2007 |
286.3 |
0.856 |
| 2008 |
286.1 |
0.856 |
| 2009 |
285.9 |
0.855 |
| 2010 |
285.6 |
0.854 |
| 2011 |
285.4 |
0.854 |
| 2012 |
285.2 |
0.853 |
| 2013 |
285.0 |
0.852 |
| 2014 |
284.7 |
0.852 |
| 2015 |
284.5 |
0.851 |
| 2016 |
284.3 |
0.850 |
| 2017 |
284.0 |
0.849 |
| 2018 |
283.8 |
0.849 |
| 2019 |
283.6 |
0.848 |
| 2020 |
283.3 |
0.847 |
| 2021 |
283.1 |
0.846 |
| 2022 |
282.9 |
0.846 |
| 2023 |
282.6 |
0.845 |
| 2024 |
282.4 |
0.844 |
| 2025 |
282.2 |
0.843 |
| 2026 |
281.9 |
0.842 |
| 2027 |
281.7 |
0.842 |
| 2028 |
281.4 |
0.841 |
| 2029 |
281.2 |
0.840 |
| 2030 |
281.0 |
0.839 |
|
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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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