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 dist. 666.67 pc (2174.68 l.y.)
 
 
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 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
282.6
Precise sep
2.69
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
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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