00189+1946 J   218

 
 
00h 18m 51.13s +19 45' 58.9" P.A. 3 sep 4.5 mag 9.90,11.80
 
 
Coord 2000
00189+1946
Discov num
J   218
Comp
Coord arcsec 2000
00 18 51.13 +19 45 58.9
Date first
1910
Date last
2015
Obs
9
Pa first
355
Pa last
3
P.A. Now (θ)
Sep first
3.0
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
9.90
Mag sec
11.80
delta mag (ΔM)
1.9
Spectral class
Pri motion ra
-017
Sec motion ra
Pri motion dec
-021
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
3.3
Precise sep
4.46
Constellation
Pisces
Tycho2
1182-00542-1
last precise pa
3.3
last precise sep
4.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00189+1946 J 218 1998 5 3 4.4 9.90 11.80 D 001851.13+194558.9
00189+1946 J 218 2000 6 4 4.5 9.90 11.80 D 001851.13+194558.9
00189+1946 J 218 2013 7 2 4.4 9.90 11.80 001851.13+194558.9
00189+1946 J 218 2015 9 3 4.5 9.90 11.80 001851.13+194558.9

If you need more information about this double, apply for a data request form to the WDS.