19508+5222 MLR 640

 
 
19h 50m 44.87s +52 21' 55.7" P.A. 97 sep 1.9 mag 10.83,11.05 Sp F2
 
 
Coord 2000
19508+5222
Discov num
MLR 640
Comp
Coord arcsec 2000
19 50 44.87 +52 21 55.7
Date first
1986
Date last
2005
Obs
4
Pa first
98
Pa last
97
P.A. Now (θ)
97°
Sep first
2.1
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
10.83
Mag sec
11.05
delta mag (ΔM)
0.22
Spectral class
F2 (yellow-white)
Pri motion ra
+014
Sec motion ra
+014
Pri motion dec
+008
Sec motion dec
+008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
97.3
Precise sep
1.9
Constellation
Cygnus
Tycho2
3569-01391-1
last precise pa
97.3
last precise sep
1.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19508+5222 MLR 640 2005 4 97 1.9 10.83 11.05 195044.87+522155.7

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