19505+1726 J   141

 
 
19h 50m 33.56s +17 26' 19.0" P.A. 45.00 sep 4.4 mag 10.91,11.18 Sp A3
 
 
Coord 2000
19505+1726
Discov num
J   141
Comp
Coord arcsec 2000
19 50 33.56 +17 26 19.0
Date first
1896
Date last
2015
Obs
16
Pa first
46
Pa last
45
P.A. Now (θ)
45°
Sep first
4.0
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
10.91
Mag sec
11.18
delta mag (ΔM)
0.27
Spectral class
A3 (white)
Pri motion ra
+003
Sec motion ra
-001
Pri motion dec
+004
Sec motion dec
+003
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.825
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
45.1
Precise sep
4.365
Constellation
Sagitta
Tycho2
1619-03356-2
Gaia DR2
82274536960
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19505+1726 J 141 2003 13 45 4.4 10.91 11.18 A3 D 195033.56+172619.0
19505+1726 J 141 2010 15 44 4.3 10.91 11.18 A3 195033.56+172619.0
19505+1726 J 141 2015 16 45 4.4 10.91 11.18 A3 195033.56+172619.0

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