20001+1737 S   730AB

 
 
20h 00m 08.28s +17 36' 38.6" P.A. 14 sep 112.8 mag 7.16,8.45 Sp K0+F5
 
 
Coord 2000
20001+1737
Discov num
S   730
Comp
AB
Coord arcsec 2000
20 00 08.28 +17 36 38.6
Date first
1825
Date last
2014
Obs
27
Pa first
16
Pa last
14
P.A. Now (θ)
14°
Sep first
115.9
Sep last
112.8
Sep. Now (ρ)
112.8"
Mag pri
7.16
Mag sec
8.45
delta mag (ΔM)
1.29
Spectral class
K0+F5 (yellow-orange/yellow-white)
Pri motion ra
+005
Sec motion ra
-012
Pri motion dec
+011
Sec motion dec
-006
Notes
N (See Notes)
rPM=1.792
This double is not physical.
 
 
20001+1737 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20001+1737 S 730 AB 1825 2014 27 14 112.8 7.16 8.45 1.29 <===
Show 20001+1737 S 730 AC 1879 2014 22 338 78.5 7.16 10.21 3.05
Show 20001+1737 S 730 AD 1879 2014 16 198 40.7 7.16 9.90 2.74
Show 20001+1737 HO 638 AE 1889 1928 4 283 2.7 7.16 10.20 3.04
Show 20001+1737 S 730 BC 1879 2002 13 238 68.4 8.45 10.21 1.76
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
14.3
Precise sep
112.76
Cdsa2 id
S 730 AB
Constellation
Sagitta
Tycho2
1621-01879-1
HD
189576
Ra deg
20.0023
De deg
17.610722222222222
last precise pa
14.3
last precise sep
112.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20001+1737 S 730 AB 2002 17 14 112.9 7.16 8.45 K0 F5 N D 200008.28+173638.6
20001+1737 S 730 AB 2010 19 14 113.1 7.16 8.45 K0 F5 N D 200008.28+173638.6
20001+1737 S 730 AB 2011 22 14 113.4 7.16 8.45 K0 F5 N D 200008.28+173638.6
20001+1737 S 730 AB 2012 23 14 112.6 7.16 8.45 K0 F5 N D 200008.28+173638.6
20001+1737 S 730 AB 2013 25 14 112.8 7.16 8.45 K0 F5 N 200008.28+173638.6
20001+1737 S 730 AB 2014 27 14 112.8 7.16 8.45 K0+F5 N 200008.28+173638.6

If you need more information about this double, apply for a data request form to the WDS.