20001+1737 S   730AC

 
 
20h 00m 08.28s +17 36' 38.6" P.A. 338 sep 78.5 mag 7.16,10.21 Sp K0 dist. 666.67 pc (2174.68 l.y.)
 
 
Coord 2000
20001+1737
Discov num
S   730
Comp
AC
Coord arcsec 2000
20 00 08.28 +17 36 38.6
Date first
1879
Date last
2014
Obs
22
Pa first
339
Pa last
338
P.A. Now (θ)
338°
Sep first
80.3
Sep last
78.5
Sep. Now (ρ)
78.5"
Mag pri
7.16
Mag sec
10.21
delta mag (ΔM)
3.05
Spectral class
K0 (yellow-orange)
Pri motion ra
+005
Sec motion ra
+000
Pri motion dec
+011
Sec motion dec
-004
Notes
N (See Notes)
rPM=1.309
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 105523 20001+1737 S 730 AB 1825 2014 27 14 112.8 7.16 8.45 1.29
Show 105523 20001+1737 S 730 AC 1879 2014 22 338 78.5 7.16 10.21 3.05 <===
Show 105523 20001+1737 S 730 AD 1879 2014 16 198 40.7 7.16 9.90 2.74
Show 105523 20001+1737 HO 638 AE 1889 1928 4 283 2.7 7.16 10.20 3.04
Show 105525 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
337.7
Precise sep
78.54
Constellation
Sagitta
SAO
105523
HIP
98443
Tycho2
1621-01879-1
HD
189576
BD
BD+17 4185
Distance
666.67
Distance ly
2174.68
last precise pa
337.7
last precise sep
78.54
 
 
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 AC 2002 12 338 79.0 7.16 10.21 K0 N D 200008.28+173638.6
20001+1737 S 730 AC 2010 14 338 78.5 7.16 10.21 K0 N D 200008.28+173638.6
20001+1737 S 730 AC 2011 17 338 78.9 7.16 10.21 K0 N D 200008.28+173638.6
20001+1737 S 730 AC 2012 18 338 78.5 7.16 10.21 K0 N D 200008.28+173638.6
20001+1737 S 730 AC 2013 20 338 78.8 7.16 10.21 K0 N 200008.28+173638.6
20001+1737 S 730 AC 2014 22 338 78.5 7.16 10.21 K0 N 200008.28+173638.6

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