03474+2355 HL   21AC

 
 
03h 47m 24.41s +23 54' 52.8" P.A. 177 sep 55.2 mag 7.29,13.94 Sp A2V
 
 
Coord 2000
03474+2355
Discov num
HL   21
Comp
AC
Coord arcsec 2000
03 47 24.41 +23 54 52.8
Date first
1887
Date last
2011
Obs
4
Pa first
175
Pa last
177
P.A. Now (θ)
177°
Sep first
59.2
Sep last
55.2
Sep. Now (ρ)
55.2"
Mag pri
7.29
Mag sec
13.94
delta mag (ΔM)
6.65
Spectral class
A2V (white)
Pri motion ra
+023
Sec motion ra
Pri motion dec
-042
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
03474+2355 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 76197 03474+2355 STF 450 AB 1832 2015 32 261 6.2 7.29 9.40 2.11
Show 76197 03474+2355 HL 21 AC 1887 2011 4 177 55.2 7.29 13.94 6.65 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
176.7
Precise sep
55.177
Constellation
Taurus
SAO
76197
Tycho2
1800-01567-1
HD
23631
last precise pa
176.7
last precise sep
55.177
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03474+2355 HL 21 AC 1887 1 175 59.2 7.29 14.00 A2V 034724.41+235452.8
03474+2355 HL 21 AC 1997 2 177 55.7 7.29 14.00 A2V N 034724.41+235452.8
03474+2355 HL 21 AC 2011 3 177 55.2 7.29 14.00 A2V N 034724.41+235452.8

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