08495+0852 BU 1068AB

 
 
08H 49M 29.13S +08 51' 52.8" P.A. 318.4 SEP 0.38 MAG 8.07,9.35 SP A5 DIST. 151.06 PC (492.76 L.Y.)
 
 
Coord 2000
08495+0852
Discov num
BU 1068
Comp
AB
Coord arcsec 2000
08 49 29.13 +08 51 52.8
Date first
1889
Date last
2012
Obs
29
Pa first
190
Pa last
321
P.A. Now (θ)
318.4°
Sep first
0.5
Sep last
0.4
Sep. Now (ρ)
0.38"
Mag pri
8.07
Mag sec
9.35
delta mag (ΔM)
1.28
Spectral class
A5 (white)
Pri motion ra
-023
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
08495+0852 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 08495+0852 BU 1068 AB 1889 2012 29 318 0.4 8.07 9.35 1.28 Y <===
Show 08495+0852 BU 1068 AB,C 1889 2000 5 313 17.6 7.41 12.80 5.39
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cancer
HIP
43317
Tycho2
0810-01779-1
HD
75300
ADS
7021
BD
BD+09 2063
Distance
151.06
Distance ly
492.76
last precise pa
321.1
last precise sep
0.376
 
 
ORBITAL ELEMENTS
 
 
Period (P)416y Periastron (T)1964.4y Semi-major axis (a)0.448a
Eccentricity (e)0.608 Inclination (i)128.1° Longitude of periastron (ω)82.1°
Node (Ω)151.7° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.317 330.1
2001 0.322 329.3
2002 0.327 328.5
2003 0.331 327.7
2004 0.336 326.9
2005 0.340 326.2
2006 0.344 325.4
2007 0.348 324.7
2008 0.352 324.0
2009 0.356 323.4
2010 0.360 322.7
2011 0.364 322.0
2012 0.367 321.4
2013 0.371 320.8
2014 0.374 320.2
2015 0.377 319.6
2016 0.380 319.0
2017 0.384 318.4
2018 0.387 317.8
2019 0.390 317.2
2020 0.392 316.7
2021 0.395 316.1
2022 0.398 315.6
2023 0.400 315.1
2024 0.403 314.5
2025 0.406 314.0
2026 0.408 313.5
2027 0.410 313.0
2028 0.413 312.5
2029 0.415 312.0
2030 0.417 311.5

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