03187+4702 STF 371

 
 
03h 18m 40.61s +47 01' 31.6" P.A. 88 sep 3.4 mag 8.50,10.55 Sp F0 dist. 179.21 pc (584.58 l.y.)
 
 
Coord 2000
03187+4702
Discov num
STF 371
Comp
Coord arcsec 2000
03 18 40.61 +47 01 31.6
Date first
1831
Date last
2011
Obs
28
Pa first
75
Pa last
88
P.A. Now (θ)
88°
Sep first
3.4
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
8.50
Mag sec
10.55
delta mag (ΔM)
2.05
Spectral class
F0 (yellow-white)
Pri motion ra
+021
Sec motion ra
+033
Pri motion dec
-036
Sec motion dec
-037
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
38712
HIP
15410
Tycho2
3315-02247-1
HD
20400
BD
BD+46 727
Distance
179.21
Distance ly
584.58
last precise pa
88.3
last precise sep
3.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03187+4702 STF 371 1998 26 87 3.1 8.50 10.55 F0 D 031840.61+470131.6
03187+4702 STF 371 2009 27 90 3.5 8.50 10.55 F0 D 031840.61+470131.6
03187+4702 STF 371 2011 28 88 3.3 8.50 10.55 F0 D 031840.61+470131.6

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