19586+3059 YR   15

 
 
19h 58m 37.96s +30 59' 01.2" P.A. 8 sep 0.2 mag 5.53,9.87 Sp B9Vn dist. 142.65 pc (465.32 l.y.)
 
 
Coord 2000
19586+3059
Discov num
YR   15
Comp
Coord arcsec 2000
19 58 37.96 +30 59 01.2
Date first
1999
Date last
2007
Obs
8
Pa first
35
Pa last
8
P.A. Now (θ)
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
5.53
Mag sec
9.87
delta mag (ΔM)
4.34
Spectral class
B9Vn (blue-white)
Pri motion ra
+068
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
8
Precise sep
0.189
Constellation
Cygnus
SAO
69188
HIP
98325
Tycho2
2670-04761-1
HD
189395
HR
7640
BD
BD+30 3837
Distance
142.65
Distance ly
465.32
last precise pa
8
last precise sep
0.189
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19586+3059 YR 15 2003 7 28 0.2 5.53 9.87 B9Vn D 195837.96+305901.2
19586+3059 YR 15 2007 8 8 0.2 5.53 9.87 B9Vn D 195837.96+305901.2

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