20182+1511 A  1670

 
 
20h 18m 11.95s +15 11' 23.7" P.A. 219 sep 0.4 mag 9.60,10.00 Sp A0
 
 
Coord 2000
20182+1511
Discov num
A  1670
Comp
Coord arcsec 2000
20 18 11.95 +15 11 23.7
Date first
1907
Date last
2011
Obs
14
Pa first
202
Pa last
219
P.A. Now (θ)
219°
Sep first
0.2
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.60
Mag sec
10.00
delta mag (ΔM)
0.4
Spectral class
A0 (white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
219.4
Precise sep
0.36
Constellation
Delphinus
SAO
105938
Tycho2
1631-00742-1
Gaia DR2
25563158400
HD
193141
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20182+1511 A 1670 1989 12 215 0.3 9.60 10.00 A0 201811.95+151123.7
20182+1511 A 1670 2007 13 213 0.4 9.60 10.00 A0 201811.95+151123.7
20182+1511 A 1670 2011 14 219 0.4 9.60 10.00 A0 201811.95+151123.7

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