20001+1737 S   730AD

 
 
20h 00m 08.28s +17 36' 38.6" P.A. 198 sep 40.7 mag 7.16,9.90 Sp K0
 
 
Coord 2000
20001+1737
Discov num
S   730
Comp
AD
Coord arcsec 2000
20 00 08.28 +17 36 38.6
Date first
1879
Date last
2014
Obs
16
Pa first
198
Pa last
198
P.A. Now (θ)
198°
Sep first
39.8
Sep last
40.7
Sep. Now (ρ)
40.7"
Mag pri
7.16
Mag sec
9.90
delta mag (ΔM)
2.74
Spectral class
K0 (yellow-orange)
Pri motion ra
+005
Sec motion ra
+000
Pri motion dec
+011
Sec motion dec
-007
Notes
N (See Notes)
rPM=1.546
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
198.4
Precise sep
40.67
Constellation
Sagitta
last precise pa
198.4
last precise sep
40.67
 
 
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 AD 2002 7 198 41.1 7.16 9.90 K0 N D 200008.28+173638.6
20001+1737 S 730 AD 2010 9 198 40.5 7.16 9.90 K0 N D 200008.28+173638.6
20001+1737 S 730 AD 2011 12 198 40.8 7.16 9.90 K0 N D 200008.28+173638.6
20001+1737 S 730 AD 2012 13 198 40.5 7.16 9.90 K0 N D 200008.28+173638.6
20001+1737 S 730 AD 2013 15 199 40.9 7.16 9.90 K0 N 200008.28+173638.6
20001+1737 S 730 AD 2014 16 198 40.7 7.16 9.90 K0 N 200008.28+173638.6

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