20001+1731 BU 1477CD

 
 
20H 00M 03.30S +17 30' 59.4" P.A. 208 SEP 27 MAG 5.57,13.40 SP M4IIIA DIST. 312.5 PC (1019.38 L.Y.)
 
 
Coord 2000
20001+1731
Discov num
BU 1477
Comp
CD
Coord arcsec 2000
20 00 03.30 +17 30 59.4
Date first
1878
Date last
2013
Obs
8
Pa first
205
Pa last
208
P.A. Now (θ)
208°
Sep first
29.0
Sep last
27.0
Sep. Now (ρ)
27"
Mag pri
5.57
Mag sec
13.40
delta mag (ΔM)
7.83
Spectral class
M4IIIa (red)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20001+1731 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 13 Sge 105522 20001+1731 H 4 100 AB 1782 2013 19 265 23.9 9.96 10.12 0.16
Show 105522 20001+1731 H 4 100 AC 1896 2013 17 297 112.6 9.96 5.57 4.39
Show 20001+1731 H 4 100 BC 1900 2013 5 306 97.1 10.12 5.57 4.55
Show 105522 20001+1731 BU 1477 CD 1878 2013 8 208 27.0 5.57 13.40 7.83 <===
Show 105522 20001+1731 BU 1477 CE 1924 2001 4 115 43.0 5.57 12.99 7.42
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
VZ Sge
Constellation
Sagitta
SAO
105522
HIP
98438
Tycho2
1621-02189-1
HD
189577
HR
7645
GC
27711
BD
BD+17 4183
Flamsteed
13 Sagittae
Flamsteed name
13 Sge
Distance
312.5
Distance ly
1019.38
last precise pa
208.4
last precise sep
26.98