17598+5416 ES  780

 
 
17h 59m 49.82s +54 15' 47.6" P.A. 127 sep 3.8 mag 11.16,13.80
 
 
Coord 2000
17598+5416
Discov num
ES  780
Comp
Coord arcsec 2000
17 59 49.82 +54 15 47.6
Date first
1909
Date last
2001
Obs
2
Pa first
155
Pa last
127
P.A. Now (θ)
127°
Sep first
3.0
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
11.16
Mag sec
13.80
delta mag (ΔM)
2.64
Spectral class
Pri motion ra
-014
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
127.2
Precise sep
3.82
Constellation
Draco
Tycho2
3902-01035-1
last precise pa
127.2
last precise sep
3.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17598+5416 ES 780 1909 1 155 3.0 11.16 13.80 175949.82+541547.6
17598+5416 ES 780 2001 2 127 3.8 11.16 13.80 175949.82+541547.6

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