20001+1737 HO  638AE

 
 
20h 00m 08.28s +17 36' 38.6" P.A. 283 sep 2.7 mag 7.16,10.20 Sp K0
 
 
Coord 2000
20001+1737
Discov num
HO  638
Comp
AE
Coord arcsec 2000
20 00 08.28 +17 36 38.6
Date first
1889
Date last
1928
Obs
4
Pa first
291
Pa last
283
P.A. Now (θ)
283°
Sep first
2.2
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
7.16
Mag sec
10.20
delta mag (ΔM)
3.04
Spectral class
K0 (yellow-orange)
Pri motion ra
+004
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
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
282.6
Precise sep
2.69
Cdsa2 id
HO 638 AE
Constellation
Sagitta
Ra deg
20.0023
De deg
17.610722222222222
last precise pa
282.6
last precise sep
2.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20001+1737 HO 638 AE 1928 4 283 2.7 7.16 10.20 K0 200008.28+173638.6

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