19457+4330 A   600

 
 
19h 45m 39.00s +43 29' 43.0" P.A. 55 sep 0.3 mag 9.50,10.00 Sp F
 
 
Coord 2000
19457+4330
Discov num
A   600
Comp
Coord arcsec 2000
19 45 39.00 +43 29 43.0
Date first
1903
Date last
2008
Obs
15
Pa first
359
Pa last
55
P.A. Now (θ)
55°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
9.50
Mag sec
10.00
delta mag (ΔM)
0.5
Spectral class
F (yellow-white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
55.4
Precise sep
0.346
Constellation
Cygnus
SAO
48805
Tycho2
3148-02241-1
HD
186995
last precise pa
55.4
last precise sep
0.346
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19457+4330 A 600 1980 14 40 0.2 9.50 10.00 F 194539.00+432943.0
19457+4330 A 600 2008 15 55 0.3 9.50 10.00 F 194539.00+432943.0

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