15171+4117 ES   74

 
 
15h 17m 03.94s +41 17' 08.5" P.A. 123 sep 9.5 mag 8.81,12.40 Sp G5 dist. 344.83 pc (1124.84 l.y.)
 
 
Coord 2000
15171+4117
Discov num
ES   74
Comp
Coord arcsec 2000
15 17 03.94 +41 17 08.5
Date first
1901
Date last
2013
Obs
7
Pa first
121
Pa last
123
P.A. Now (θ)
123°
Sep first
9.3
Sep last
9.5
Sep. Now (ρ)
9.5"
Mag pri
8.81
Mag sec
12.40
delta mag (ΔM)
3.59
Spectral class
G5 (yellow)
Pri motion ra
-007
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
123
Precise sep
9.5
Constellation
Bootes
SAO
45467
HIP
74789
Tycho2
3048-00653-1
HD
136045
BD
BD+41 2588
Distance
344.83
Distance ly
1124.84
last precise pa
123
last precise sep
9.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15171+4117 ES 74 2007 5 123 9.5 8.40 12.40 G5 D 151703.94+411708.5
15171+4117 ES 74 2013 7 123 9.5 8.40 12.40 G5 151703.94+411708.5

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