21513+8053 MLR 253

 
 
21h 51m 15.61s +80 53' 19.6" P.A. 129 sep 1.6 mag 10.63,14.10 Sp F8
 
 
Coord 2000
21513+8053
Discov num
MLR 253
Comp
Coord arcsec 2000
21 51 15.61 +80 53 19.6
Date first
1971
Date last
2004
Obs
2
Pa first
125
Pa last
129
P.A. Now (θ)
129°
Sep first
1.3
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
10.63
Mag sec
14.10
delta mag (ΔM)
3.47
Spectral class
F8 (yellow-white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
128.7
Precise sep
1.61
Constellation
Cepheus
Tycho2
4611-01015-1
Gaia DR2
57868848768
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21513+8053 MLR 253 1971 1 125 1.3 10.63 14.10 215115.61+805319.6
21513+8053 MLR 253 2004 2 129 1.6 10.63 14.10 215115.61+805319.6

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