17389-4546 DON 851

 
 
17h 38m 53.34s -45 45' 34.2" P.A. 246 sep 1.8 mag 7.50,12.20 Sp K1IV dist. 76.69 pc (250.16 l.y.)
 
 
Coord 2000
17389-4546
Discov num
DON 851
Comp
Coord arcsec 2000
17 38 53.34 -45 45 34.2
Date first
1932
Date last
1948
Obs
2
Pa first
251
Pa last
246
P.A. Now (θ)
246°
Sep first
1.7
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
7.50
Mag sec
12.20
delta mag (ΔM)
4.7
Spectral class
K1IV (yellow-orange)
Pri motion ra
-044
Sec motion ra
Pri motion dec
-161
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.8
Precise sep
1.82
Constellation
Ara
SAO
228233
HIP
86368
Tycho2
8343-01084-1
HD
159809
CD
CD-4511742
CP
CP-45 8744
Distance
76.69
Distance ly
250.16
last precise pa
245.8
last precise sep
1.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17389-4546 DON 851 1948 2 246 1.8 7.50 12.20 K1IV 173853.34-454534.2

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