19570+8319 WFC 227

 
 
19h 57m 02.92s +83 18' 28.3" P.A. 51 sep 5.9 mag 9.60,9.85 Sp G5
 
 
Coord 2000
19570+8319
Discov num
WFC 227
Comp
Coord arcsec 2000
19 57 02.92 +83 18 28.3
Date first
1898
Date last
2017
Obs
12
Pa first
49
Pa last
51
P.A. Now (θ)
51°
Sep first
5.5
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
9.60
Mag sec
9.85
delta mag (ΔM)
0.25
Spectral class
G5 (yellow)
Pri motion ra
+046
Sec motion ra
+048
Pri motion dec
-067
Sec motion dec
-070
Notes
rPM=0.042 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
50.9
Precise sep
5.873
Constellation
Draco
Tycho2
4648-03135-1
HD
192057
last precise pa
50.9
last precise sep
5.873
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19570+8319 WFC 227 1999 9 51 5.9 9.60 9.85 D 195702.92+831828.3
19570+8319 WFC 227 2009 10 51 5.8 9.60 9.85 D 195702.92+831828.3
19570+8319 WFC 227 2017 12 51 5.9 9.60 9.85 G5 195702.92+831828.3

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