19579+1125 BU  266

 
 
19h 57m 56.15s +11 24' 53.0" P.A. 166 sep 15.8 mag 7.57,11.50 Sp A3 dist. 198.41 pc (647.21 l.y.)
 
 
Coord 2000
19579+1125
Discov num
BU  266
Comp
Coord arcsec 2000
19 57 56.15 +11 24 53.0
Date first
1875
Date last
2010
Obs
15
Pa first
167
Pa last
166
P.A. Now (θ)
166°
Sep first
15.7
Sep last
15.8
Sep. Now (ρ)
15.8"
Mag pri
7.57
Mag sec
11.50
delta mag (ΔM)
3.93
Spectral class
A3 (white)
Pri motion ra
+022
Sec motion ra
+022
Pri motion dec
+002
Sec motion dec
-003
Notes
rPM=0.225 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
166.3
Precise sep
15.76
Constellation
Aquila
SAO
105474
HIP
98252
Tycho2
1079-03297-1
HD
189093
BD
BD+11 4065
Distance
198.41
Distance ly
647.21
last precise pa
166.3
last precise sep
15.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19579+1125 BU 266 2004 12 167 15.8 7.40 11.50 A3 D 195756.15+112453.0
19579+1125 BU 266 2010 15 167 15.2 7.57 11.50 A3 195756.15+112453.0

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