01535+1918 STF 180AB (Gam1 Ari)

 
 
01H 53M 31.76S +19 17' 38.6" P.A. 1 SEP 7.4 MAG 4.52,4.58 SP A1PSI+B9V DIST. 50.3 PC (164.08 L.Y.)
 
 
Coord 2000
01535+1918
Discov num
STF 180
Comp
AB
Coord arcsec 2000
01 53 31.76 +19 17 38.6
Date first
1779
Date last
2016
Obs
390
Pa first
356
Pa last
1
P.A. Now (θ)
Sep first
10.2
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
4.52
Mag sec
4.58
delta mag (ΔM)
0.06
Spectral class
A1pSi+B9V (white/blue-white)
Pri motion ra
+081
Sec motion ra
+077
Pri motion dec
-108
Sec motion dec
-115
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.058 (< 0.3, Physical double)
This double is physical.
 
 
01535+1918 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Gam1 Ari 92681 01535+1918 STF 180 AB 1779 2016 390 1 7.4 4.52 4.58 0.06 <===
Show 92681 01535+1918 STF 180 AC 1823 2012 18 81 216.8 4.52 8.63 4.11
Show 92681 01535+1918 STF 180 BC 1907 2012 10 83 215.7 4.58 8.63 4.05
Show 92684 01535+1918 BU 512 CD 1878 1975 14 24 1.6 8.63 13.60 4.97
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Gam1 Ari
Constellation
Aries
SAO
92681
HIP
8832
Tycho2
1209-01835-1
HD
11502
HR
546
GC
2290
BD
BD+18 243
Bayer
Gamma 1 Arietis
Bayer name
Gam1 Ari
Flamsteed
5 Arietis
Flamsteed name
5 Ari
Distance
50.3
Distance ly
164.08
last precise pa
1.3
last precise sep
7.387