17383-4259 DON 849

 
 
17h 38m 17.53s -42 58' 38.0" P.A. 178 sep 1.6 mag 9.21,11.70 Sp K0
 
 
Coord 2000
17383-4259
Discov num
DON 849
Comp
Coord arcsec 2000
17 38 17.53 -42 58 38.0
Date first
1927
Date last
1930
Obs
2
Pa first
175
Pa last
178
P.A. Now (θ)
178°
Sep first
1.5
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
9.21
Mag sec
11.70
delta mag (ΔM)
2.49
Spectral class
K0 (yellow-orange)
Pri motion ra
+008
Sec motion ra
Pri motion dec
-032
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.5
Precise sep
1.61
Constellation
Scorpius
Tycho2
7892-07565-1
last precise pa
177.5
last precise sep
1.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17383-4259 DON 849 1930 2 178 1.6 9.21 11.70 K0 173817.53-425838.0

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