04047+1731 YSC  22

 
 
04h 04m 39.59s +17 31' 03.3" P.A. 100 sep 0.4 mag 6.70,9.60 Sp K2III dist. 100.91 pc (329.17 l.y.)
 
 
Coord 2000
04047+1731
Discov num
YSC  22
Comp
Coord arcsec 2000
04 04 39.59 +17 31 03.3
Date first
2008
Date last
2014
Obs
7
Pa first
91
Pa last
100
P.A. Now (θ)
100°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
6.70
Mag sec
9.60
delta mag (ΔM)
2.9
Spectral class
K2III (yellow-orange)
Pri motion ra
-045
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
99.6
Precise sep
0.394
Constellation
Taurus
SAO
93749
HIP
19036
Tycho2
1254-00637-1
HD
25627
BD
BD+17 676
Distance
100.91
Distance ly
329.17
last precise pa
99.6
last precise sep
0.394
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04047+1731 YSC 22 2008 1 91 0.3 6.70 9.60 K2III D 040439.59+173103.3
04047+1731 YSC 22 2014 3 100 0.4 6.70 9.60 K2III 040439.59+173103.3

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