03177+3838 STT  53AB

 
 
03H 17M 44.01S +38 38' 21.1" P.A. 232.6 SEP 0.55 MAG 7.73,8.50 SP G0 DIST. 60.1 PC (196.05 L.Y.)
 
 
Coord 2000
03177+3838
Discov num
STT  53
Comp
AB
Coord arcsec 2000
03 17 44.01 +38 38 21.1
Date first
1843
Date last
2014
Obs
145
Pa first
270
Pa last
237
P.A. Now (θ)
232.6°
Sep first
0.7
Sep last
0.6
Sep. Now (ρ)
0.55"
Mag pri
7.73
Mag sec
8.50
delta mag (ΔM)
0.77
Spectral class
G0 (yellow)
Pri motion ra
+112
Sec motion ra
+112
Pri motion dec
-044
Sec motion dec
-044
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
03177+3838 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 56320 03177+3838 STT 53 AB 1843 2014 145 233 0.6 7.73 8.50 0.77 Y <===
Show 56320 03177+3838 TOK 237 AC 1980 2002 6 180 106.6 7.73 13.34 5.61
Show 03177+3838 RAO 10 Ca,Cb 2012 2012 2 223 1.6 13.00 17.00 4.00
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
56320
HIP
15329
Tycho2
2848-01379-1
HD
20347
ADS
2446
BD
BD+38 689
Distance
60.1
Distance ly
196.05
last precise pa
237.4
last precise sep
0.64
 
 
ORBITAL ELEMENTS
 
 
Period (P)113.5y Periastron (T)1928.31y Semi-major axis (a)0.53a
Eccentricity (e)0.76 Inclination (i)137.2° Longitude of periastron (ω)46.4°
Node (Ω)118.4° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.731 250.3
2001 0.723 249.5
2002 0.714 248.6
2003 0.705 247.8
2004 0.696 246.9
2005 0.687 246.0
2006 0.677 245.1
2007 0.667 244.2
2008 0.656 243.2
2009 0.645 242.2
2010 0.634 241.2
2011 0.623 240.1
2012 0.611 239.0
2013 0.599 237.8
2014 0.586 236.6
2015 0.573 235.3
2016 0.560 234.0
2017 0.546 232.6
2018 0.532 231.2
2019 0.518 229.6
2020 0.504 228.0
2021 0.489 226.3
2022 0.473 224.4
2023 0.458 222.5
2024 0.442 220.4
2025 0.426 218.1
2026 0.409 215.7
2027 0.392 213.0
2028 0.375 210.1
2029 0.358 207.0
2030 0.340 203.5

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