00121+5337 BU 1026AB

 
 
00H 12M 08.05S +53 37' 26.1" P.A. 321.7 SEP 0.35 MAG 7.25,8.46 SP A7VN+F2V DIST. 119.9 PC (391.11 L.Y.)
 
 
Coord 2000
00121+5337
Discov num
BU 1026
Comp
AB
Coord arcsec 2000
00 12 08.05 +53 37 26.1
Date first
1888
Date last
2014
Obs
122
Pa first
330
Pa last
319
P.A. Now (θ)
321.7°
Sep first
0.5
Sep last
0.3
Sep. Now (ρ)
0.35"
Mag pri
7.25
Mag sec
8.46
delta mag (ΔM)
1.21
Spectral class
A7Vn+F2V (white/yellow-white)
Pri motion ra
+039
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
00121+5337 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21202 00121+5337 BU 1026 AB 1888 2014 122 322 0.4 7.25 8.46 1.21 Y <===
Show 21202 00121+5337 CHR 1 AC 1982 2001 8 298 0.3 7.25
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
21202
HIP
981
Tycho2
3652-01234-1
HD
761
ADS
148
BD
BD+52 19
Distance
119.9
Distance ly
391.11
last precise pa
318.6
last precise sep
0.345
 
 
ORBITAL ELEMENTS
 
 
Period (P)66.84y± 0.17 Periastron (T)1986.542y± 0.029 Semi-major axis (a)0.2514a± 0.0055
Eccentricity (e)0.8282± 0.0058 Inclination (i)42.77°± 0.84 Longitude of periastron (ω)255.2°± 1.1
Node (Ω)254.9°± 1.2 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.286 299.4
2001 0.294 301.1
2002 0.301 302.7
2003 0.308 304.2
2004 0.314 305.6
2005 0.319 307.0
2006 0.324 308.4
2007 0.329 309.7
2008 0.333 311.0
2009 0.336 312.2
2010 0.339 313.5
2011 0.342 314.7
2012 0.344 315.9
2013 0.345 317.0
2014 0.347 318.2
2015 0.348 319.4
2016 0.348 320.5
2017 0.348 321.7
2018 0.348 322.8
2019 0.348 324.0
2020 0.347 325.1
2021 0.345 326.3
2022 0.344 327.5
2023 0.342 328.7
2024 0.339 329.9
2025 0.337 331.1
2026 0.334 332.4
2027 0.330 333.6
2028 0.326 334.9
2029 0.322 336.3
2030 0.318 337.6

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