20156+7051 MLB 418

 
 
20h 15m 39.58s +70 50' 42.7" P.A. 14 sep 2.4 mag 10.50,11.20
 
 
Coord 2000
20156+7051
Discov num
MLB 418
Comp
Coord arcsec 2000
20 15 39.58 +70 50 42.7
Date first
1925
Date last
2015
Obs
3
Pa first
48
Pa last
14
P.A. Now (θ)
14°
Sep first
3.8
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
10.50
Mag sec
11.20
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
+009
Sec motion ra
Pri motion dec
+014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
14
Precise sep
2.375
Constellation
Draco
Gaia DR2
79094453120
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20156+7051 MLB 418 2007 2 18 2.5 10.50 11.20 I 201539.58+705042.7
20156+7051 MLB 418 2015 3 14 2.4 10.50 11.20 201539.58+705042.7

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