20001+1731 H 4 100AB (13 Sge)

 
 
20h 00m 10.43s +17 30' 09.1" P.A. 265 sep 23.9 mag 9.96,10.12 Sp K0
 
 
Coord 2000
20001+1731
Discov num
H 4 100
Comp
AB
Coord arcsec 2000
20 00 10.43 +17 30 09.1
Date first
1782
Date last
2013
Obs
19
Pa first
260
Pa last
265
P.A. Now (θ)
265°
Sep first
23.0
Sep last
23.9
Sep. Now (ρ)
23.9"
Mag pri
9.96
Mag sec
10.12
delta mag (ΔM)
0.16
Spectral class
K0 (yellow-orange)
Pri motion ra
+006
Sec motion ra
+003
Pri motion dec
-003
Sec motion dec
-008
Notes
N (See Notes)
rPM=0.682
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 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
 
 
Precise pa
265.3
Precise sep
23.87
Name
13 Sge
Cdsa2 id
H 4 100 AB
Constellation
Sagitta
SAO
105522
HD
189577
HR
7645
DM
BD+17 4183
Flamsteed
13 Sagittae
Flamsteed name
13 Sge
Ra deg
20.002897222222224
De deg
17.50252777777778
last precise pa
265.3
last precise sep
23.87
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20001+1731 H 4 100 AB 2002 9 254 24.1 9.96 10.12 K0 N 200010.43+173009.1
20001+1731 H 4 100 AB 2010 14 254 24.2 9.96 10.12 K0 N 200010.43+173009.1
20001+1731 H 4 100 AB 2012 18 256 24.2 9.96 10.12 K0 N 200010.43+173009.1
20001+1731 H 4 100 AB 2013 19 265 23.9 9.96 10.12 K0 N 200010.43+173009.1

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