02497+5356 ES  120

 
 
02h 49m 42.11s +53 55' 37.6" P.A. 72 sep 4.5 mag 8.99,12.60 Sp B3 dist. 558.66 pc (1822.35 l.y.)
 
 
Coord 2000
02497+5356
Discov num
ES  120
Comp
Coord arcsec 2000
02 49 42.11 +53 55 37.6
Date first
1902
Date last
2001
Obs
6
Pa first
70
Pa last
72
P.A. Now (θ)
72°
Sep first
3.9
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
8.99
Mag sec
12.60
delta mag (ΔM)
3.61
Spectral class
B3 (blue-white)
Pri motion ra
-003
Sec motion ra
-004
Pri motion dec
-005
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
23640
HIP
13187
Tycho2
3700-00577-1
HD
232716
BD
BD+53 576
Distance
558.66
Distance ly
1822.35
last precise pa
72.1
last precise sep
4.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02497+5356 ES 120 1991 5 72 4.5 8.99 12.60 B3 024942.11+535537.6
02497+5356 ES 120 2001 6 72 4.5 8.99 12.60 B3 024942.11+535537.6

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