03312+1947 STF 403

 
 
03h 31m 13.43s +19 47' 00.3" P.A. 172 sep 2.3 mag 8.71,8.92 Sp F8 dist. 107.53 pc (350.76 l.y.)
 
 
Coord 2000
03312+1947
Discov num
STF 403
Comp
Coord arcsec 2000
03 31 13.43 +19 47 00.3
Date first
1829
Date last
2012
Obs
74
Pa first
182
Pa last
172
P.A. Now (θ)
172°
Sep first
2.9
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
8.71
Mag sec
8.92
delta mag (ΔM)
0.21
Spectral class
F8 (yellow-white)
Pri motion ra
+031
Sec motion ra
+034
Pri motion dec
+045
Sec motion dec
+024
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Taurus
SAO
93471
HIP
16401
Tycho2
1242-00961-1
HD
21775
BD
BD+19 549
Distance
107.53
Distance ly
350.76
last precise pa
172.3
last precise sep
2.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03312+1947 STF 403 2002 65 174 2.4 8.71 8.92 F8 D 033113.43+194700.3
03312+1947 STF 403 2008 67 173 2.3 8.71 8.92 F8 D 033113.43+194700.3
03312+1947 STF 403 2012 69 171 2.3 8.71 8.92 F8 N D 033113.43+194700.3

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