02493+1728 STF 311AC

 
 
02h 49m 17.55s +17 27' 51.5" P.A. 112 sep 24.1 mag 5.32,10.72 Sp B6V dist. 239.23 pc (780.37 l.y.)
 
 
Coord 2000
02493+1728
Discov num
STF 311
Comp
AC
Coord arcsec 2000
02 49 17.55 +17 27 51.5
Date first
1782
Date last
2012
Obs
44
Pa first
109
Pa last
112
P.A. Now (θ)
112°
Sep first
25.5
Sep last
24.1
Sep. Now (ρ)
24.1"
Mag pri
5.32
Mag sec
10.72
delta mag (ΔM)
5.4
Spectral class
B6V (blue-white)
Pri motion ra
+004
Sec motion ra
+018
Pri motion dec
-015
Sec motion dec
-042
Notes
N (See Notes)
rPM=0.666
Nature of this double is uncertain.
 
 
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
 
 
Precise pa
111.6
Precise sep
24.1
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
111.6
last precise sep
24.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02493+1728 STF 311 AC 2000 38 109 25.1 5.32 10.72 B6V N D 024917.56+172751.6
02493+1728 STF 311 AC 2005 39 110 25.2 5.32 10.72 B6V N D 024917.55+172751.5
02493+1728 STF 311 AC 2009 40 110 24.8 5.32 10.72 B6V N D 024917.55+172751.5
02493+1728 STF 311 AC 2012 43 112 24.1 5.32 10.72 B6V N D 024917.55+172751.5

If you need more information about this double, apply for a data request form to the WDS.