02493+1728 STF 311BC

 
 
02h 49m 17.76s +17 27' 49.9" P.A. 111 sep 25.2 mag 7.95,10.72 Sp B6V dist. 239.23 pc (780.37 l.y.)
 
 
Coord 2000
02493+1728
Discov num
STF 311
Comp
BC
Coord arcsec 2000
02 49 17.76 +17 27 49.9
Date first
1832
Date last
2000
Obs
29
Pa first
109
Pa last
111
P.A. Now (θ)
111°
Sep first
22.0
Sep last
25.2
Sep. Now (ρ)
25.2"
Mag pri
7.95
Mag sec
10.72
delta mag (ΔM)
2.77
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
111.1
Precise sep
25.182
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
110.1
last precise sep
23.8
 
 
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 BC 1969 22 109 22.0 7.95 10.72 N 024920.00+172800.0
02493+1728 STF 311 BC 1999 23 110 24.8 7.95 10.72 N 024917.76+172749.9
02493+1728 STF 311 BC 2000 26 111 25.2 7.95 10.72 N 024917.76+172749.9

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