02529+5300 STF 314 AB,C (NSV971)
02h 52m 52.03s +52° 59' 50.6" P.A. 316.00 sep 1.6 mag 6.95,7.26 Sp B8III dist. 307.69 pc (1003.68 l.y.)
Coord 2000 |
02529+5300 |
|
Discov num |
STF 314 |
|
Comp |
AB,C |
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Coord arcsec 2000 |
02 52 52.03 +52 59 50.6 |
|
Date first |
1825 |
|
Date last |
2018 |
|
Obs |
137 |
|
Pa first |
291 |
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Pa last |
315.6 |
|
P.A. Now (θ) |
315.6° |
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Sep first |
1.3 |
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Sep last |
1.581 |
|
Sep. Now (ρ) |
1.581" |
|
Mag pri |
6.95 |
|
Mag sec |
7.26 |
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delta mag (ΔM) |
0.31 |
|
Spectral class |
B8III (blue-white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-015 |
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Sec motion dec |
-015 |
|
Notes |
N
O
U
(See Notes, Orbital solution, Proper motion indicates non-physical) |
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This double is physical.
02529+5300 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
23674 |
02 52 52 +52 59 51 |
A 2906 AB |
2018 |
24 |
115 |
0.3 |
7.26 |
8.78 |
1.52 |
Y |
|
Show |
NSV971 |
23674 |
02 52 52 +52 59 51 |
STF 314 AB,C |
2018 |
137 |
316 |
1.6 |
6.95 |
7.26 |
0.31 |
Y |
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
NSV971 |
|
Constellation |
Perseus |
|
SAO |
23674 |
|
HIP |
13424 |
|
Tycho2 |
3700-01745-1 |
|
Gaia DR2 |
453178393293943680 |
|
HD |
17743 |
|
HR |
846 |
|
ADS |
2185 |
|
BD |
BD+52 640 |
|
Distance |
307.69 |
|
Distance ly |
1003.68 |
|
ORBITAL ELEMENTS
Period (P) | 1185.3669y | ± 589.886 |
Periastron (T) | 2125.7423y | ± 82.5593 |
Semi-major axis (a) | 2.6855a | ± 1.31912 |
Eccentricity (e) | 0.69216 | ± 0.26878 |
Inclination (i) | 81.701° | ± 5.867 |
Longitude of periastron (ω) | 257.536° | ± 28.089 |
Node (Ω) | 141.478° | ± 7.019 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
313.0 |
1.591 |
2001 |
313.1 |
1.592 |
2002 |
313.2 |
1.592 |
2003 |
313.3 |
1.592 |
2004 |
313.4 |
1.592 |
2005 |
313.5 |
1.593 |
2006 |
313.5 |
1.593 |
2007 |
313.6 |
1.593 |
2008 |
313.7 |
1.592 |
2009 |
313.8 |
1.592 |
2010 |
313.9 |
1.592 |
2011 |
314.0 |
1.592 |
2012 |
314.1 |
1.591 |
2013 |
314.2 |
1.591 |
2014 |
314.3 |
1.590 |
2015 |
314.4 |
1.589 |
2016 |
314.5 |
1.589 |
2017 |
314.5 |
1.588 |
2018 |
314.6 |
1.587 |
2019 |
314.7 |
1.586 |
2020 |
314.8 |
1.585 |
2021 |
314.9 |
1.583 |
2022 |
315.0 |
1.582 |
2023 |
315.1 |
1.580 |
2024 |
315.2 |
1.579 |
2025 |
315.3 |
1.577 |
2026 |
315.4 |
1.575 |
2027 |
315.5 |
1.573 |
2028 |
315.5 |
1.571 |
2029 |
315.6 |
1.569 |
2030 |
315.7 |
1.567 |
|
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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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