15486+4949 COU1918

 
 
15h 48m 38.85s +49 49' 22.7" P.A. 184 sep 0.2 mag 8.60,9.80 Sp K0
 
 
Coord 2000
15486+4949
Discov num
COU1918
Comp
Coord arcsec 2000
15 48 38.85 +49 49 22.7
Date first
1981
Date last
2008
Obs
9
Pa first
189
Pa last
184
P.A. Now (θ)
184°
Sep first
0.4
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.60
Mag sec
9.80
delta mag (ΔM)
1.2
Spectral class
K0 (yellow-orange)
Pri motion ra
+034
Sec motion ra
Pri motion dec
-070
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
183.6
Precise sep
0.22
Constellation
Bootes
SAO
45745
Tycho2
3493-00624-1
HD
234262
last precise pa
183.6
last precise sep
0.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15486+4949 COU1918 1995 7 185 0.3 8.60 9.80 K0 154838.85+494922.7
15486+4949 COU1918 2008 9 184 0.2 8.60 9.80 K0 154838.85+494922.7

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