19437+3953 SEI 673AB

 
 
19h 43m 47.31s +39 53' 08.0" P.A. 55 sep 10.6 mag 10.33,12.30 Sp K2
 
 
Coord 2000
19437+3953
Discov num
SEI 673
Comp
AB
Coord arcsec 2000
19 43 47.31 +39 53 08.0
Date first
1892
Date last
2002
Obs
6
Pa first
46
Pa last
55
P.A. Now (θ)
55°
Sep first
10.8
Sep last
10.6
Sep. Now (ρ)
10.6"
Mag pri
10.33
Mag sec
12.30
delta mag (ΔM)
1.97
Spectral class
K2 (yellow-orange)
Pri motion ra
-005
Sec motion ra
+003
Pri motion dec
-004
Sec motion dec
-016
Notes
rPM=0.886
This double is not physical.
 
 
19437+3953 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19437+3953 SEI 673 AB 1892 2002 6 55 10.6 10.33 12.30 1.97 <===
Show 19437+3953 SEI 673 AC 1917 2002 3 262 17.7 10.33 13.00 2.67
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
54.9
Precise sep
10.613
Constellation
Cygnus
Tycho2
3140-02613-1
HD
225559
last precise pa
54.9
last precise sep
10.613
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19437+3953 SEI 673 AB 1998 5 56 10.6 10.33 12.30 D 194347.31+395308.0
19437+3953 SEI 673 AB 2002 6 55 10.6 10.33 12.30 D 194347.31+395308.0
19437+3953 SEI 673 AB 2010 7 57 9.8 10.33 12.30 K2 194347.31+395308.0

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