03176+4241 WAL  21AD

 
 
03h 17m 35.06s +42 40' 30.4" P.A. 39 sep 50.9 mag 7.54,11.94 Sp F0 dist. 167.5 pc (546.38 l.y.)
 
 
Coord 2000
03176+4241
Discov num
WAL  21
Comp
AD
Coord arcsec 2000
03 17 35.06 +42 40 30.4
Date first
1895
Date last
2002
Obs
5
Pa first
42
Pa last
39
P.A. Now (θ)
39°
Sep first
52.3
Sep last
50.9
Sep. Now (ρ)
50.9"
Mag pri
7.54
Mag sec
11.94
delta mag (ΔM)
4.4
Spectral class
F0 (yellow-white)
Pri motion ra
+036
Sec motion ra
-002
Pri motion dec
-025
Sec motion dec
-007
Notes
Nature of this double is uncertain.
 
 
03176+4241 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 38703 03176+4241 A 1704 A,BC 1895 2002 7 234 75.7 7.54 11.56 4.02
Show 38703 03176+4241 WAL 21 AD 1895 2002 5 39 50.9 7.54 11.94 4.40 <===
Show 03176+4241 A 1704 BC 1907 1931 3 248 0.6 11.90 13.20 1.30
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
38703
HIP
15313
Tycho2
2856-01967-1
HD
20316
BD
BD+42 736
Distance
167.5
Distance ly
546.38
last precise pa
38.6
last precise sep
50.91
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03176+4241 WAL 21 AD 1944 1 50 40.0 7.54 11.94 F0 D 031735.06+424030.4
03176+4241 WAL 21 AD 2000 2 39 35.4 7.54 11.73 F0 D 031735.06+424030.4
03176+4241 WAL 21 AD 2002 5 39 50.9 7.54 11.94 F0 D 031735.06+424030.4

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