19201+4656 MMA  21

 
 
19h 20m 04.21s +46 55' 50.0" P.A. 267 sep 18.9 mag 15.50,15.40
 
 
Coord 2000
19201+4656
Discov num
MMA  21
Comp
Coord arcsec 2000
19 20 04.21 +46 55 50.0
Date first
1953
Date last
2010
Obs
5
Pa first
267
Pa last
267
P.A. Now (θ)
267°
Sep first
18.8
Sep last
18.9
Sep. Now (ρ)
18.9"
Mag pri
15.50
Mag sec
15.40
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-002
Sec motion ra
-001
Pri motion dec
-003
Sec motion dec
+002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
267
last precise sep
18.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19201+4656 MMA 21 2003 1 267 19.0 15.50 15.40 192004.21+465550.0
19201+4656 MMA 21 2010 4 267 18.9 15.50 15.40 192004.21+465550.0

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