19425+1726 STF2563CD

 
 
19h 42m 25.24s +17 26' 43.9" P.A. 118 sep 7.3 mag 9.37,11.50 Sp A7
 
 
Coord 2000
19425+1726
Discov num
STF2563
Comp
CD
Coord arcsec 2000
19 42 25.24 +17 26 43.9
Date first
1905
Date last
2013
Obs
5
Pa first
105
Pa last
118
P.A. Now (θ)
118°
Sep first
8.6
Sep last
7.3
Sep. Now (ρ)
7.3"
Mag pri
9.37
Mag sec
11.50
delta mag (ΔM)
2.13
Spectral class
A7 (white)
Pri motion ra
+019
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
N W (See Notes, )
Nature of this double is uncertain.
 
 
19425+1726 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19425+1726 STF2563 AB 1828 2015 31 286 5.9 8.66 9.52 0.86
Show 19425+1726 STF2563 AC 1897 2013 15 321 83.1 8.66 9.37 0.71
Show 19425+1726 STF2563 CD 1905 2013 5 118 7.3 9.37 11.50 2.13 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.6
Precise sep
7.34
Cdsa2 id
STF 2563 CD
Constellation
Sagitta
Ra deg
19.70701111111111
De deg
17.445527777777777
last precise pa
117.6
last precise sep
7.34
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19425+1726 STF2563 CD 1997 2 115 7.6 9.37 11.50 N D 194225.24+172643.9
19425+1726 STF2563 CD 2011 3 117 7.3 9.37 11.50 N D 194225.24+172643.9
19425+1726 STF2563 CD 2013 5 118 7.3 9.37 11.50 N 194225.24+172643.9

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