02556+2652 STF 326AB

 
 
02H 55M 39.06S +26 52' 23.6" P.A. 221 SEP 5.5 MAG 7.68,10.02 SP K2IV+M0V DIST. 23.49 PC (76.62 L.Y.)
 
 
Coord 2000
02556+2652
Discov num
STF 326
Comp
AB
Coord arcsec 2000
02 55 39.06 +26 52 23.6
Date first
1831
Date last
2016
Obs
96
Pa first
216
Pa last
221
P.A. Now (θ)
221°
Sep first
9.0
Sep last
5.5
Sep. Now (ρ)
5.5"
Mag pri
7.68
Mag sec
10.02
delta mag (ΔM)
2.34
Spectral class
K2IV+M0V (yellow-orange/red)
Pri motion ra
+263
Sec motion ra
+270
Pri motion dec
-191
Sec motion dec
-168
Notes
N C (See Notes, Has orbit and linear solution)
rPM=0.074 (< 0.3, Physical double)
This double is physical.
 
 
02556+2652 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 75644 02556+2652 STF 326 AB 1831 2016 96 221 5.5 7.68 10.02 2.34 Y <===
Show 75644 02556+2652 LDS 883 AC 1936 2001 3 266 43.9 7.68 13.86 6.18
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aries
SAO
75644
HIP
13642
Tycho2
1789-01429-1
HD
18143
ADS
2218
GL
Gl 118.2A
BD
BD+26 484
Distance
23.49
Distance ly
76.62
last precise pa
220.9
last precise sep
5.549
 
 
ORBITAL ELEMENTS
 
 
Period (P) Periastron (T)2248y Semi-major axis (a)
Eccentricity (e)1 Inclination (i)81.5° Longitude of periastron (ω)308.2°
Node (Ω)34.55° Note Grade7(1=Definitive, 9=Indet.)
Equinox1900 Last observation1955
label rho theta
2000
2001
2002
2003
2004
2005
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2009
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2012
2013
2014
2015
2016
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2020
2021
2022
2023
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2025
2026
2027
2028
2029
2030

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

grafico orbita