03284+6015 A 980 AB
03h 28m 23.56s +60° 15' 20.6" P.A. 337.00 sep 0.4 mag 6.73,8.29 Sp B9V+A1 dist. 178.89 pc (583.54 l.y.)
Coord 2000 |
03284+6015 |
|
Discov num |
A 980 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 28 23.56 +60 15 20.6 |
|
Date first |
1905 |
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Date last |
2009 |
|
Obs |
52 |
|
Pa first |
176 |
|
Pa last |
336.7 |
|
P.A. Now (θ) |
336.7° |
|
Sep first |
0.3 |
|
Sep last |
0.401 |
|
Sep. Now (ρ) |
0.401" |
|
Mag pri |
6.73 |
|
Mag sec |
8.29 |
|
delta mag (ΔM) |
1.56 |
|
Spectral class |
B9V+A1 (blue-white/white) |
|
Pri motion ra |
+019 |
|
Sec motion ra |
|
|
Pri motion dec |
-020 |
|
Sec motion dec |
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|
Notes |
O
(Orbital solution) |
|
This double is physical.
03284+6015 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
12770 |
03 28 24 +60 15 21 |
A 980 AB |
2009 |
52 |
337 |
0.4 |
6.73 |
8.29 |
1.56 |
Y |
<=== |
Show |
HD 21203 |
12770 |
03 28 24 +60 15 21 |
B 2563 AB,C |
2003 |
3 |
194 |
27.2 |
6.26 |
12.50 |
6.24 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Camelopardalis |
|
SAO |
12770 |
|
HIP |
16177 |
|
Tycho2 |
4062-00098-1 |
|
Gaia DR2 |
462398760370573568 |
|
HD |
21203 |
|
HR |
1033 |
|
GC |
4105 |
|
ADS |
2538 |
|
BD |
BD+59 657 |
|
Distance |
178.89 |
|
Distance ly |
583.54 |
|
ORBITAL ELEMENTS
Period (P) | 231y | |
Periastron (T) | 1961y | |
Semi-major axis (a) | 0.38a | |
Eccentricity (e) | 0.18 | |
Inclination (i) | 133.4° | |
Longitude of periastron (ω) | 68° | |
Node (Ω) | 147.7° | |
Notes | | |
Reference | Baz1994 | |
Equinox | 1950 | |
Last observation | 1988 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
350.5 |
0.331 |
2001 |
349.1 |
0.335 |
2002 |
347.8 |
0.339 |
2003 |
346.5 |
0.343 |
2004 |
345.2 |
0.348 |
2005 |
343.9 |
0.352 |
2006 |
342.7 |
0.355 |
2007 |
341.5 |
0.359 |
2008 |
340.4 |
0.363 |
2009 |
339.2 |
0.366 |
2010 |
338.1 |
0.369 |
2011 |
337.0 |
0.373 |
2012 |
335.9 |
0.376 |
2013 |
334.8 |
0.378 |
2014 |
333.8 |
0.381 |
2015 |
332.7 |
0.384 |
2016 |
331.7 |
0.386 |
2017 |
330.7 |
0.388 |
2018 |
329.7 |
0.390 |
2019 |
328.7 |
0.392 |
2020 |
327.7 |
0.394 |
2021 |
326.7 |
0.396 |
2022 |
325.8 |
0.397 |
2023 |
324.8 |
0.399 |
2024 |
323.9 |
0.400 |
2025 |
322.9 |
0.401 |
2026 |
322.0 |
0.402 |
2027 |
321.0 |
0.403 |
2028 |
320.1 |
0.404 |
2029 |
319.2 |
0.404 |
2030 |
318.2 |
0.405 |
|
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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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