01493+4754 CHR   4Aa,Ab

 
 
01H 49M 15.47S +47 53' 47.1" P.A. 165.2 SEP 0.13 MAG 6.47, SP A3V DIST. 127.55 PC (416.07 L.Y.)
 
 
Coord 2000
01493+4754
Discov num
CHR   4
Comp
Aa,Ab
Coord arcsec 2000
01 49 15.47 +47 53 47.1
Date first
1984
Date last
1994
Obs
7
Pa first
194
Pa last
251
P.A. Now (θ)
165.2°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.13"
Mag pri
6.47
Mag sec
delta mag (ΔM)
Spectral class
A3V (white)
Pri motion ra
-015
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
01493+4754 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 37536 01493+4754 CHR 4 Aa,Ab 1984 1994 7 165 0.1 6.47 Y <===
Show 37536 01493+4754 STF 162 AB 1828 2016 168 199 1.9 6.47 7.22 0.75
Show 37536 01493+4754 STF 162 AC 1828 2016 62 179 20.8 6.47 9.24 2.77
Show 37536 01493+4754 STF 162 AD 1881 2007 11 96 138.7 6.47 10.01 3.54
Show 37536 01493+4754 STF 162 BC 1902 2016 10 177 19.1 7.22 9.24 2.02
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
37536
HIP
8475
Tycho2
3283-02002-1
HD
11031
HR
526
ADS
1438
BD
BD+47 508
Distance
127.55
Distance ly
416.07
last precise pa
251.2
last precise sep
0.121
 
 
ORBITAL ELEMENTS
 
 
Period (P)36.9y Periastron (T)2004.8y Semi-major axis (a)0.122a
Eccentricity (e)0.234 Inclination (i)34.4° Longitude of periastron (ω)348.6°
Node (Ω)32° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.089 311.8
2001 0.087 326.9
2002 0.087 342.3
2003 0.089 357.3
2004 0.091 11.6
2005 0.093 25.2
2006 0.094 38.5
2007 0.094 51.6
2008 0.094 64.8
2009 0.093 78.1
2010 0.094 91.4
2011 0.095 104.4
2012 0.098 116.9
2013 0.102 128.5
2014 0.107 139.2
2015 0.113 148.7
2016 0.119 157.4
2017 0.125 165.2
2018 0.131 172.2
2019 0.136 178.8
2020 0.141 184.8
2021 0.145 190.5
2022 0.148 196.0
2023 0.149 201.3
2024 0.150 206.4
2025 0.150 211.6
2026 0.148 216.9
2027 0.146 222.3
2028 0.142 227.9
2029 0.137 233.8
2030 0.132 240.3

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