03284+6015 A   980AB

 
 
03H 28M 23.56S +60 15' 20.6" P.A. 330.7 SEP 0.39 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
Date last
2007
Obs
50
Pa first
176
Pa last
338
P.A. Now (θ)
330.7°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.39"
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
Notes
O (Orbital solution)
This double is physical.
 
 
03284+6015 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12770 03284+6015 A 980 AB 1905 2007 50 331 0.4 6.73 8.29 1.56 Y <===
Show 12770 03284+6015 B 2563 AB,C 1958 2003 3 194 27.2 6.26 12.50 6.24
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Camelopardalis
SAO
12770
HIP
16177
Tycho2
4062-00098-1
HD
21203
HR
1033
ADS
2538
BD
BD+59 657
Distance
178.89
Distance ly
583.54
last precise pa
337.9
last precise sep
0.364
 
 
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° Note Grade4(1=Definitive, 9=Indet.)
Equinox1950 Last observation1988
label rho theta
2000 0.331 350.5
2001 0.335 349.1
2002 0.339 347.8
2003 0.343 346.5
2004 0.348 345.2
2005 0.352 343.9
2006 0.355 342.7
2007 0.359 341.5
2008 0.363 340.4
2009 0.366 339.2
2010 0.369 338.1
2011 0.373 337.0
2012 0.376 335.9
2013 0.378 334.8
2014 0.381 333.8
2015 0.384 332.7
2016 0.386 331.7
2017 0.388 330.7
2018 0.390 329.7
2019 0.392 328.7
2020 0.394 327.7
2021 0.396 326.7
2022 0.397 325.8
2023 0.399 324.8
2024 0.400 323.9
2025 0.401 322.9
2026 0.402 322.0
2027 0.403 321.0
2028 0.404 320.1
2029 0.404 319.2
2030 0.405 318.2

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic