17301+5743 ES 1742

 
 
17h 30m 06.88s +57 42' 44.7" P.A. 25 sep 1.9 mag 10.83,11.48
 
 
Coord 2000
17301+5743
Discov num
ES 1742
Comp
Coord arcsec 2000
17 30 06.88 +57 42 44.7
Date first
1918
Date last
2002
Obs
4
Pa first
33
Pa last
25
P.A. Now (θ)
25°
Sep first
1.8
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
10.83
Mag sec
11.48
delta mag (ΔM)
0.65
Spectral class
Pri motion ra
-009
Sec motion ra
-009
Pri motion dec
-025
Sec motion dec
-025
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
24.8
Precise sep
1.93
Constellation
Draco
Tycho2
3896-00812-1
last precise pa
24.8
last precise sep
1.93
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17301+5743 ES 1742 2002 4 25 1.9 10.83 11.48 173006.88+574244.7

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