17420-4401 DON 857

 
 
17h 41m 57.26s -44 01' 17.2" P.A. 55 sep 0.9 mag 10.46,10.79 Sp G2 dist. 70.57 pc (230.2 l.y.)
 
 
Coord 2000
17420-4401
Discov num
DON 857
Comp
Coord arcsec 2000
17 41 57.26 -44 01 17.2
Date first
1930
Date last
1991
Obs
5
Pa first
48
Pa last
55
P.A. Now (θ)
55°
Sep first
0.6
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
10.46
Mag sec
10.79
delta mag (ΔM)
0.33
Spectral class
G2 (yellow)
Pri motion ra
+016
Sec motion ra
+016
Pri motion dec
+001
Sec motion dec
+001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
55.2
Precise sep
0.869
Cdsa2 id
DON 857
Constellation
Scorpius
SAO
228297
HIP
86615
Tycho2
7897-00759-1
CD
CD-4311933
CP
CP-43 8211
Ra deg
17.69923888888889
De deg
-44.02144444444444
Distance
70.57
Distance ly
230.2
last precise pa
55.2
last precise sep
0.869
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17420-4401 DON 857 1991 5 55 0.9 10.46 10.79 G2 174157.26-440117.2

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