01497+5355 ES  761

 
 
01h 49m 39.60s +53 54' 52.8" P.A. 257 sep 5.3 mag 9.04,12.20 Sp B5 dist. 25000 pc (81550 l.y.)
 
 
Coord 2000
01497+5355
Discov num
ES  761
Comp
Coord arcsec 2000
01 49 39.60 +53 54 52.8
Date first
1909
Date last
2000
Obs
3
Pa first
250
Pa last
257
P.A. Now (θ)
257°
Sep first
4.9
Sep last
5.3
Sep. Now (ρ)
5.3"
Mag pri
9.04
Mag sec
12.20
delta mag (ΔM)
3.16
Spectral class
B5 (blue-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
256.9
Precise sep
5.29
Constellation
Perseus
SAO
22655
HIP
8503
Tycho2
3684-00577-1
HD
232538
BD
BD+53 395
Distance
25000
Distance ly
81550
last precise pa
256.9
last precise sep
5.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01497+5355 ES 761 2000 3 257 5.3 9.00 12.20 B5 D 014939.60+535452.8

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