18054+5155 COU2513

 
 
18h 05m 25.03s +51 55' 10.0" P.A. 57 sep 0.9 mag 10.97,11.36
 
 
Coord 2000
18054+5155
Discov num
COU2513
Comp
Coord arcsec 2000
18 05 25.03 +51 55 10.0
Date first
1988
Date last
2016
Obs
3
Pa first
58
Pa last
57
P.A. Now (θ)
57°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
10.97
Mag sec
11.36
delta mag (ΔM)
0.39
Spectral class
Pri motion ra
-018
Sec motion ra
-018
Pri motion dec
-020
Sec motion dec
-020
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
57.2
Precise sep
0.88
Constellation
Draco
Tycho2
3536-01415-1
last precise pa
57.2
last precise sep
0.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18054+5155 COU2513 1991 2 56 1.0 10.97 11.36 180525.03+515510.0
18054+5155 COU2513 2016 3 57 0.9 10.97 11.36 180525.03+515510.0

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