19484+7421 HDS2816

 
 
19h 48m 21.52s +74 20' 58.1" P.A. 85 sep 0.2 mag 9.09,10.60 Sp F0 dist. 179.86 pc (586.7 l.y.)
 
 
Coord 2000
19484+7421
Discov num
HDS2816
Comp
Coord arcsec 2000
19 48 21.52 +74 20 58.1
Date first
1991
Date last
2010
Obs
2
Pa first
85
Pa last
85
P.A. Now (θ)
85°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.09
Mag sec
10.60
delta mag (ΔM)
1.51
Spectral class
F0 (yellow-white)
Pri motion ra
+005
Sec motion ra
Pri motion dec
+013
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
85
Precise sep
0.233
Constellation
Draco
SAO
9547
HIP
97445
Tycho2
4457-00584-1
HD
188458
BD
BD+73 882
Distance
179.86
Distance ly
586.7
last precise pa
85
last precise sep
0.233
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19484+7421 HDS2816 1991 1 85 0.2 9.09 10.60 F0 194821.52+742058.1
19484+7421 HDS2816 2010 2 85 0.2 9.09 10.60 F0 D 194821.52+742058.1

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