19401+1801 J   121AB (Sham)

 
 
19H 40M 05.78S +18 00' 50.2" P.A. 180 SEP 28.9 MAG 4.37,13.20 SP G1III DIST. 130.38 PC (425.3 L.Y.)
 
 
Coord 2000
19401+1801
Discov num
J   121
Comp
AB
Coord arcsec 2000
19 40 05.78 +18 00 50.2
Date first
1910
Date last
2015
Obs
11
Pa first
200
Pa last
180
P.A. Now (θ)
180°
Sep first
20.0
Sep last
28.9
Sep. Now (ρ)
28.9"
Mag pri
4.37
Mag sec
13.20
delta mag (ΔM)
8.83
Spectral class
G1III (yellow)
Pri motion ra
+015
Sec motion ra
+009
Pri motion dec
-020
Sec motion dec
+017
Notes
N (See Notes)
rPM=1.499
This double is not physical.
 
 
19401+1801 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Sham 105120 19401+1801 J 121 AB 1910 2015 11 180 28.9 4.37 13.20 8.83 <===
Show 105120 19401+1801 J 121 AC 1910 2013 5 244 35.4 4.37 14.90 10.53
Show 105120 19401+1801 WAL 118 AD 1897 2013 7 148 82.6 4.37 11.21 6.84
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name
Sham
Other names
ALSAHM
Constellation
Sagitta
SAO
105120
HIP
96757
Tycho2
1606-02341-1
HD
185758
HR
7479
GC
27215
BD
BD+17 4042
Bayer
Alpha Sagittae
Bayer name
Alp Sge
Flamsteed
5 Sagittae
Flamsteed name
5 Sge
Distance
130.38
Distance ly
425.3
last precise pa
180
last precise sep
28.9