02493+1728 ARN  31AD

 
 
02H 49M 17.55S +17 27' 51.5" P.A. 134 SEP 220.2 MAG 5.32,10.49 SP B6V DIST. 239.23 PC (780.37 L.Y.)
 
 
Coord 2000
02493+1728
Discov num
ARN  31
Comp
AD
Coord arcsec 2000
02 49 17.55 +17 27 51.5
Date first
1895
Date last
2011
Obs
11
Pa first
133
Pa last
134
P.A. Now (θ)
134°
Sep first
211.9
Sep last
220.2
Sep. Now (ρ)
220.2"
Mag pri
5.32
Mag sec
10.49
delta mag (ΔM)
5.17
Spectral class
B6V (blue-white)
Pri motion ra
+004
Sec motion ra
+048
Pri motion dec
-015
Sec motion dec
-066
Notes
N (See Notes)
rPM=0.825
This double is not physical.
 
 
02493+1728 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Pi Ari 93127 02493+1728 STF 311 AB 1821 2012 78 119 3.2 5.32 7.95 2.63
Show 93127 02493+1728 STF 311 AC 1782 2012 44 112 24.1 5.32 10.72 5.40
Show 93127 02493+1728 ARN 31 AD 1895 2011 11 134 220.2 5.32 10.49 5.17 <===
Show 93127 02493+1728 TOB 364 AE 1997 1997 1 184 14.2 5.32 14.00 8.68
Show 93127 02493+1728 TOB 364 AF 1997 1997 1 17 17.5 5.32 15.00 9.68
Show 93127 02493+1728 STF 311 BC 1832 2000 29 111 25.2 7.95 10.72 2.77
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aries
SAO
93127
HIP
13165
Tycho2
1223-01987-1
HD
17543
HR
836
GC
3378
BD
BD+16 355
Bayer
Pi Arietis
Bayer name
Pi Ari
Flamsteed
42 Arietis
Flamsteed name
42 Ari
Distance
239.23
Distance ly
780.37
last precise pa
134.1
last precise sep
220.21