17581-4527 DON 872

 
 
17h 58m 05.02s -45 27' 23.0" P.A. 98 sep 3.3 mag 7.80,15.50 Sp A6III dist. 248.14 pc (809.43 l.y.)
 
 
Coord 2000
17581-4527
Discov num
DON 872
Comp
Coord arcsec 2000
17 58 05.02 -45 27 23.0
Date first
1931
Date last
1948
Obs
3
Pa first
99
Pa last
98
P.A. Now (θ)
98°
Sep first
3.7
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
7.80
Mag sec
15.50
delta mag (ΔM)
7.7
Spectral class
A6III (white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
98.1
Precise sep
3.26
Constellation
Scorpius
SAO
228581
HIP
87957
Tycho2
8344-00210-1
HD
163378
CD
CD-4512052
CP
CP-45 8981
Distance
248.14
Distance ly
809.43
last precise pa
98.1
last precise sep
3.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17581-4527 DON 872 1948 3 98 3.3 7.70 15.50 A6III 175805.02-452723.0

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