19473+6441 ES  199

 
 
19h 47m 22.97s +64 41' 39.1" P.A. 168 sep 7 mag 8.88,11.63 Sp F5 dist. 110.01 pc (358.85 l.y.)
 
 
Coord 2000
19473+6441
Discov num
ES  199
Comp
Coord arcsec 2000
19 47 22.97 +64 41 39.1
Date first
1892
Date last
2011
Obs
18
Pa first
178
Pa last
168
P.A. Now (θ)
168°
Sep first
5.9
Sep last
7.0
Sep. Now (ρ)
7"
Mag pri
8.88
Mag sec
11.63
delta mag (ΔM)
2.75
Spectral class
F5 (yellow-white)
Pri motion ra
+012
Sec motion ra
+017
Pri motion dec
+076
Sec motion dec
+046
Notes
rPM=0.395
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
168
Precise sep
6.992
Constellation
Draco
HIP
97364
Tycho2
4239-00917-1
HD
187727
BD
BD+64 1386
Distance
110.01
Distance ly
358.85
last precise pa
168
last precise sep
6.992
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19473+6441 ES 199 2003 13 169 7.0 8.88 11.63 F5 D 194722.97+644139.1
19473+6441 ES 199 2010 15 167 6.5 8.88 11.63 F5 194722.97+644139.1
19473+6441 ES 199 2011 18 168 7.0 8.88 11.63 F5 194722.97+644139.1

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