19503+3147 RAO 418

 
 
19h 50m 15.93s +31 47' 00.3" P.A. 45.00 sep 0.6 mag 12.80,13.90 Sp M2.1V
 
 
Coord 2000
19503+3147
Discov num
RAO 418
Comp
Coord arcsec 2000
19 50 15.93 +31 47 00.3
Date first
2016
Date last
2016
Obs
1
Pa first
45
Pa last
45
P.A. Now (θ)
45°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
12.80
Mag sec
13.90
delta mag (ΔM)
1.1
Spectral class
M2.1V (red)
Pri motion ra
+142
Sec motion ra
Pri motion dec
+336
Sec motion dec
Notes
R (Red magnitudes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
45.2
Precise sep
0.585
Constellation
Cygnus
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19503+3147 RAO 418 2016 1 45 0.6 12.80 13.90 M2.1V R 195015.93+314700.3

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