20001+1731 H 4 100AC

 
 
20H 00M 10.43S +17 30' 09.1" P.A. 297 SEP 112.6 MAG 9.96,5.57 SP K0
 
 
Coord 2000
20001+1731
Discov num
H 4 100
Comp
AC
Coord arcsec 2000
20 00 10.43 +17 30 09.1
Date first
1896
Date last
2013
Obs
17
Pa first
297
Pa last
297
P.A. Now (θ)
297°
Sep first
113.6
Sep last
112.6
Sep. Now (ρ)
112.6"
Mag pri
9.96
Mag sec
5.57
delta mag (ΔM)
4.39
Spectral class
K0 (yellow-orange)
Pri motion ra
+006
Sec motion ra
+002
Pri motion dec
-003
Sec motion dec
-012
Notes
N (See Notes)
rPM=0.8100000000000001
This double is not physical.
 
 
20001+1731 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 13 Sge 105522 20001+1731 H 4 100 AB 1782 2013 19 265 23.9 9.96 10.12 0.16
Show 105522 20001+1731 H 4 100 AC 1896 2013 17 297 112.6 9.96 5.57 4.39 <===
Show 20001+1731 H 4 100 BC 1900 2013 5 306 97.1 10.12 5.57 4.55
Show 105522 20001+1731 BU 1477 CD 1878 2013 8 208 27.0 5.57 13.40 7.83
Show 105522 20001+1731 BU 1477 CE 1924 2001 4 115 43.0 5.57 12.99 7.42
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagitta
SAO
105522
HD
189577
HR
7645
Flamsteed
13 Sagittae
Flamsteed name
13 Sge
last precise pa
296.7
last precise sep
112.61