20151+4249 A   388

 
 
20h 15m 07.67s +42 49' 00.4" P.A. 34 sep 0.7 mag 10.42,10.63
 
 
Coord 2000
20151+4249
Discov num
A   388
Comp
Coord arcsec 2000
20 15 07.67 +42 49 00.4
Date first
1902
Date last
2008
Obs
10
Pa first
36
Pa last
34
P.A. Now (θ)
34°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
10.42
Mag sec
10.63
delta mag (ΔM)
0.21
Spectral class
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
+006
Sec motion dec
+006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
33.9
Precise sep
0.684
Constellation
Cygnus
SAO
49366
Tycho2
3159-00954-1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20151+4249 A 388 2007 9 37 0.7 10.42 10.63 201507.67+424900.4
20151+4249 A 388 2008 10 34 0.7 10.42 10.63 201507.67+424900.4

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