19487+4242 ES 1564

 
 
19h 48m 43.97s +42 42' 05.3" P.A. 357 sep 7.6 mag 10.60,12.00
 
 
Coord 2000
19487+4242
Discov num
ES 1564
Comp
Coord arcsec 2000
19 48 43.97 +42 42 05.3
Date first
1892
Date last
2010
Obs
8
Pa first
10
Pa last
357
P.A. Now (θ)
357°
Sep first
8.4
Sep last
7.6
Sep. Now (ρ)
7.6"
Mag pri
10.60
Mag sec
12.00
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
+018
Sec motion ra
-001
Pri motion dec
-001
Sec motion dec
-005
Notes
rPM=1.077
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
356.6
Precise sep
7.55
Constellation
Cygnus
Tycho2
3144-00353-1
last precise pa
356.6
last precise sep
7.55
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19487+4242 ES 1564 1998 5 179 7.4 10.60 12.00 D 194843.97+424205.3
19487+4242 ES 1564 2003 7 358 7.3 10.60 12.00 194843.97+424205.3
19487+4242 ES 1564 2010 8 357 7.6 10.60 12.00 194843.97+424205.3

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