03151+1618 HU 1055AB

 
 
03H 15M 07.58S +16 18' 12.9" P.A. 119.7 SEP 0.45 MAG 9.40,9.90 SP G0 DIST. 75.41 PC (245.99 L.Y.)
 
 
Coord 2000
03151+1618
Discov num
HU 1055
Comp
AB
Coord arcsec 2000
03 15 07.58 +16 18 12.9
Date first
1904
Date last
2015
Obs
38
Pa first
124
Pa last
120
P.A. Now (θ)
119.7°
Sep first
0.4
Sep last
0.6
Sep. Now (ρ)
0.45"
Mag pri
9.40
Mag sec
9.90
delta mag (ΔM)
0.5
Spectral class
G0 (yellow)
Pri motion ra
+122
Sec motion ra
Pri motion dec
-082
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
03151+1618 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 93359 03151+1618 HU 1055 AB 1904 2015 38 120 0.4 9.40 9.90 0.50 Y <===
Show 93359 03151+1618 ENG 13 AB,C 1894 2012 19 185 172.2 8.91 8.50 0.41
Show 93359 03151+1618 BUP 41 AB,D 1907 2015 4 240 189.7 8.91 14.17 5.26
Show 93359 03151+1618 JRN 2 AB,E 1984 2015 6 263 251.1 8.91 12.29 3.38
Show 93358 03151+1618 BUP 41 CD 1907 2000 4 298 164.1 8.50 14.17 5.67
Quintuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aries
SAO
93359
HIP
15134
Tycho2
1232-00276-1
ADS
2429
BD
BD+15 452
Distance
75.41
Distance ly
245.99
last precise pa
119.7
last precise sep
0.62
 
 
ORBITAL ELEMENTS
 
 
Period (P)100.5y± 4.6 Periastron (T)1991.3y± 0.69 Semi-major axis (a)0.442a± 0.045
Eccentricity (e)0.975± 0.006 Inclination (i)126°± 7 Longitude of periastron (ω)286°± 10
Node (Ω)227°± 16 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1996
label rho theta
2000 0.247 132.8
2001 0.263 131.4
2002 0.279 130.2
2003 0.294 129.0
2004 0.308 128.0
2005 0.322 127.1
2006 0.335 126.3
2007 0.347 125.5
2008 0.359 124.7
2009 0.370 124.1
2010 0.381 123.4
2011 0.392 122.8
2012 0.401 122.2
2013 0.411 121.7
2014 0.420 121.1
2015 0.429 120.6
2016 0.437 120.1
2017 0.446 119.7
2018 0.453 119.2
2019 0.461 118.8
2020 0.468 118.4
2021 0.474 117.9
2022 0.481 117.5
2023 0.487 117.2
2024 0.493 116.8
2025 0.498 116.4
2026 0.503 116.0
2027 0.508 115.7
2028 0.513 115.3
2029 0.517 115.0
2030 0.521 114.6

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