19447+4456 DA   13AB

 
 
19h 44m 44.02s +44 55' 44.0" P.A. 272 sep 1.8 mag 7.42,11.60 Sp K0
 
 
Coord 2000
19447+4456
Discov num
DA   13
Comp
AB
Coord arcsec 2000
19 44 44.02 +44 55 44.0
Date first
1859
Date last
1946
Obs
13
Pa first
266
Pa last
272
P.A. Now (θ)
272°
Sep first
2.3
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
7.42
Mag sec
11.60
delta mag (ΔM)
4.18
Spectral class
K0 (yellow-orange)
Pri motion ra
+033
Sec motion ra
Pri motion dec
+017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19447+4456 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19447+4456 DA 13 AB 1859 1946 13 272 1.8 7.42 11.60 4.18 <===
Show 19447+4456 DA 13 AC 1878 2003 7 288 155.2 7.42 11.98 4.56
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
272.3
Precise sep
1.84
Cdsa2 id
DA 13 AB
Constellation
Cygnus
Ra deg
19.745561111111112
De deg
44.928888888888885
last precise pa
272.3
last precise sep
1.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19447+4456 DA 13 AB 1946 13 272 1.8 7.42 11.60 K0 194444.02+445544.0

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