11486+1417 BU 603 AB (NSV5344)
11h 48m 38.71s +14° 17' 03.2" P.A. 329.00 sep 1.0 mag 5.97,8.53 Sp A8III dist. 59.74 pc (194.87 l.y.)
Coord 2000 |
11486+1417 |
|
Discov num |
BU 603 |
|
Comp |
AB |
|
Coord arcsec 2000 |
11 48 38.71 +14 17 03.2 |
|
Date first |
1878 |
|
Date last |
2019 |
|
Obs |
95 |
|
Pa first |
338 |
|
Pa last |
328.7 |
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P.A. Now (θ) |
325.6° |
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Sep first |
1.5 |
|
Sep last |
1.011 |
|
Sep. Now (ρ) |
0.991" |
|
Mag pri |
5.97 |
|
Mag sec |
8.53 |
|
delta mag (ΔM) |
2.56 |
|
Spectral class |
A8III (white) |
|
Pri motion ra |
-102 |
|
Sec motion ra |
-102 |
|
Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
11486+1417 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
NSV5344 |
99800 |
11 48 39 +14 17 03 |
BU 603 AB |
2019 |
95 |
329 |
1.0 |
5.97 |
8.53 |
2.56 |
Y |
<=== |
Show |
|
99800 |
11 48 39 +14 17 03 |
TOK 552 AC |
2016 |
4 |
306 |
999.9 |
5.97 |
14.20 |
8.23 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
NSV5344 |
|
Constellation |
Leo |
|
SAO |
99800 |
|
HIP |
57606 |
|
Tycho2 |
0870-00989-1 |
|
Gaia DR2 |
3923191422165480448 |
|
HD |
102590 |
|
HR |
4531 |
|
GC |
16181 |
|
ADS |
8311 |
|
BD |
BD+15 2381 |
|
Distance |
59.74 |
|
Distance ly |
194.87 |
|
ORBITAL ELEMENTS
Period (P) | 133.8y | ± 5.8 |
Periastron (T) | 1937.8y | ± 9.3 |
Semi-major axis (a) | 1.03a | ± 0.31 |
Eccentricity (e) | 0.9 | ± 0.57 |
Inclination (i) | 121° | ± 114 |
Longitude of periastron (ω) | 93° | ± 49 |
Node (Ω) | 253° | ± 24 |
Notes | n | |
Reference | Msn2021c | |
Equinox | | |
Last observation | 2019 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
340.1 |
1.006 |
2001 |
339.5 |
1.007 |
2002 |
338.9 |
1.009 |
2003 |
338.3 |
1.010 |
2004 |
337.6 |
1.011 |
2005 |
337.0 |
1.012 |
2006 |
336.4 |
1.013 |
2007 |
335.8 |
1.013 |
2008 |
335.1 |
1.013 |
2009 |
334.5 |
1.013 |
2010 |
333.9 |
1.013 |
2011 |
333.3 |
1.013 |
2012 |
332.6 |
1.012 |
2013 |
332.0 |
1.011 |
2014 |
331.4 |
1.010 |
2015 |
330.7 |
1.009 |
2016 |
330.1 |
1.008 |
2017 |
329.5 |
1.006 |
2018 |
328.9 |
1.004 |
2019 |
328.2 |
1.002 |
2020 |
327.6 |
1.000 |
2021 |
326.9 |
0.997 |
2022 |
326.3 |
0.994 |
2023 |
325.6 |
0.991 |
2024 |
325.0 |
0.988 |
2025 |
324.3 |
0.984 |
2026 |
323.7 |
0.981 |
2027 |
323.0 |
0.977 |
2028 |
322.3 |
0.972 |
2029 |
321.6 |
0.968 |
2030 |
320.9 |
0.963 |
|
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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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