19470+1911 HDS2812

 
 
19h 46m 59.65s +19 10' 50.6" P.A. 8 sep 0.2 mag 8.36,9.69 Sp B9 dist. 246.31 pc (803.46 l.y.)
 
 
Coord 2000
19470+1911
Discov num
HDS2812
Comp
Coord arcsec 2000
19 46 59.65 +19 10 50.6
Date first
1991
Date last
1997
Obs
2
Pa first
10
Pa last
8
P.A. Now (θ)
Sep first
0.1
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.36
Mag sec
9.69
delta mag (ΔM)
1.33
Spectral class
B9 (blue-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
7.7
Precise sep
0.152
Constellation
Sagitta
SAO
105249
HIP
97339
Tycho2
1623-02152-1
HD
187014
BD
BD+18 4238
Distance
246.31
Distance ly
803.46
last precise pa
7.7
last precise sep
0.152
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19470+1911 HDS2812 1997 2 8 0.2 8.36 9.69 B9 194659.65+191050.6

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