19437+3953 SEI 673AC

 
 
19h 43m 47.31s +39 53' 08.0" P.A. 262 sep 17.7 mag 10.33,13.00 Sp K2
 
 
Coord 2000
19437+3953
Discov num
SEI 673
Comp
AC
Coord arcsec 2000
19 43 47.31 +39 53 08.0
Date first
1917
Date last
2002
Obs
3
Pa first
262
Pa last
262
P.A. Now (θ)
262°
Sep first
17.6
Sep last
17.7
Sep. Now (ρ)
17.7"
Mag pri
10.33
Mag sec
13.00
delta mag (ΔM)
2.67
Spectral class
K2 (yellow-orange)
Pri motion ra
-005
Sec motion ra
-005
Pri motion dec
-004
Sec motion dec
+001
Notes
rPM=0.781
Nature of this double is uncertain.
 
 
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
262.1
Precise sep
17.684
Constellation
Cygnus
Tycho2
3140-02613-1
HD
225559
last precise pa
262.1
last precise sep
17.684
 
 
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 AC 1998 2 261 17.6 10.33 13.30 D 194347.31+395308.0
19437+3953 SEI 673 AC 2002 3 262 17.7 10.33 13.30 D 194347.31+395308.0

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