03054+2515 STF 346AB (52 Ari)

 
 
03H 05M 26.69S +25 15' 18.7" P.A. 258.2 SEP 0.5 MAG 6.21,6.19 SP B7V DIST. 165.29 PC (539.18 L.Y.)
 
 
Coord 2000
03054+2515
Discov num
STF 346
Comp
AB
Coord arcsec 2000
03 05 26.69 +25 15 18.7
Date first
1832
Date last
2015
Obs
147
Pa first
265
Pa last
258
P.A. Now (θ)
258.2°
Sep first
0.7
Sep last
0.4
Sep. Now (ρ)
0.5"
Mag pri
6.21
Mag sec
6.19
delta mag (ΔM)
0.02
Spectral class
B7V (blue-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
03054+2515 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 52 Ari 75723 03054+2515 STF 346 AB 1832 2015 147 258 0.5 6.21 6.19 0.02 Y <===
Show 75723 03054+2515 STF 346 AB,C 1833 2005 52 358 5.1 5.46 10.80 5.34
Show 75723 03054+2515 STF 346 AB,D 1835 2013 8 83 102.1 5.46 13.27 7.81
Show 75723 03054+2515 STF 346 AB,E 1911 2014 5 192 133.5 5.46 12.75 7.29
Quintuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
52 Ari
Constellation
Aries
SAO
75723
HIP
14376
Tycho2
1787-01187-1
HD
19134
HR
927
GC
3697
ADS
2336
BD
BD+24 431
Flamsteed
52 Arietis
Flamsteed name
52 Ari
Distance
165.29
Distance ly
539.18
last precise pa
258
last precise sep
0.42
 
 
ORBITAL ELEMENTS
 
 
Period (P)227y Periastron (T)1938.5y Semi-major axis (a)0.47a
Eccentricity (e)0.73 Inclination (i)77.5° Longitude of periastron (ω)323°
Node (Ω)92.8° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation1980
label rho theta
2000 0.386 253.7
2001 0.394 254.0
2002 0.401 254.4
2003 0.408 254.7
2004 0.415 255.0
2005 0.423 255.3
2006 0.430 255.6
2007 0.436 255.8
2008 0.443 256.1
2009 0.450 256.4
2010 0.457 256.6
2011 0.463 256.9
2012 0.470 257.1
2013 0.476 257.3
2014 0.482 257.6
2015 0.489 257.8
2016 0.495 258.0
2017 0.501 258.2
2018 0.507 258.4
2019 0.513 258.6
2020 0.518 258.8
2021 0.524 259.0
2022 0.530 259.2
2023 0.535 259.4
2024 0.541 259.5
2025 0.546 259.7
2026 0.551 259.9
2027 0.557 260.1
2028 0.562 260.2
2029 0.567 260.4
2030 0.572 260.5

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