19493+7409 MLR 227

 
 
19h 49m 18.72s +74 09' 09.7" P.A. 77 sep 0.2 mag 10.30,10.50 Sp F5
 
 
Coord 2000
19493+7409
Discov num
MLR 227
Comp
Coord arcsec 2000
19 49 18.72 +74 09 09.7
Date first
1971
Date last
2008
Obs
9
Pa first
78
Pa last
77
P.A. Now (θ)
77°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
10.30
Mag sec
10.50
delta mag (ΔM)
0.2
Spectral class
F5 (yellow-white)
Pri motion ra
+023
Sec motion ra
Pri motion dec
+060
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
77.4
Precise sep
0.232
Constellation
Draco
SAO
9553
Tycho2
4457-00720-1
HD
188648
last precise pa
77.4
last precise sep
0.232
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19493+7409 MLR 227 1989 7 69 0.3 10.30 10.50 F5 194918.72+740909.7
19493+7409 MLR 227 2008 9 77 0.2 10.30 10.50 F5 194918.72+740909.7

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