02570+1714 HO  317

 
 
02h 57m 01.54s +17 14' 22.1" P.A. 309 sep 3.5 mag 8.96,11.11 Sp A0 dist. 168.07 pc (548.24 l.y.)
 
 
Coord 2000
02570+1714
Discov num
HO  317
Comp
Coord arcsec 2000
02 57 01.54 +17 14 22.1
Date first
1890
Date last
2013
Obs
24
Pa first
308
Pa last
309
P.A. Now (θ)
309°
Sep first
2.8
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
8.96
Mag sec
11.11
delta mag (ΔM)
2.15
Spectral class
A0 (white)
Pri motion ra
+018
Sec motion ra
-014
Pri motion dec
-022
Sec motion dec
+017
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aries
SAO
93197
HIP
13752
Tycho2
1224-00199-1
HD
18309
BD
BD+16 373
Distance
168.07
Distance ly
548.24
last precise pa
309.4
last precise sep
3.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02570+1714 HO 317 2001 22 309 3.4 8.96 11.11 A0 D 025701.54+171422.1
02570+1714 HO 317 2013 24 309 3.5 8.96 11.11 A0 025701.54+171422.1

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