00253+5134 HLD   2

 
 
00h 25m 19.83s +51 34' 15.1" P.A. 342 sep 2.8 mag 9.93,10.05 Sp G0
 
 
Coord 2000
00253+5134
Discov num
HLD   2
Comp
Coord arcsec 2000
00 25 19.83 +51 34 15.1
Date first
1881
Date last
2015
Obs
29
Pa first
332
Pa last
342
P.A. Now (θ)
342°
Sep first
2.4
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
9.93
Mag sec
10.05
delta mag (ΔM)
0.12
Spectral class
G0 (yellow)
Pri motion ra
+045
Sec motion ra
+045
Pri motion dec
+000
Sec motion dec
+000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
342.3
Precise sep
2.81
Constellation
Cassiopeia
SAO
21384
Tycho2
3260-00850-1
last precise pa
342.3
last precise sep
2.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00253+5134 HLD 2 1999 27 340 2.7 9.93 10.05 G0 D 002519.83+513415.1
00253+5134 HLD 2 2015 29 356 2.7 9.93 10.05 G0 002519.83+513415.1

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