01558+5420 A  1270

 
 
01h 55m 47.48s +54 19' 46.3" P.A. 221 sep 0.7 mag 9.42,9.45 Sp F0
 
 
Coord 2000
01558+5420
Discov num
A  1270
Comp
Coord arcsec 2000
01 55 47.48 +54 19 46.3
Date first
1906
Date last
2015
Obs
9
Pa first
217
Pa last
221
P.A. Now (θ)
221°
Sep first
0.6
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
9.42
Mag sec
9.45
delta mag (ΔM)
0.03
Spectral class
F0 (yellow-white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-009
Sec motion dec
-009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
220.9
Precise sep
0.7
Constellation
Perseus
SAO
22758
Tycho2
3684-00391-1
HD
11649
last precise pa
220.9
last precise sep
0.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01558+5420 A 1270 1991 8 215 0.6 9.42 9.45 F0 015547.48+541946.3
01558+5420 A 1270 2015 9 221 0.7 9.42 9.45 F0 015547.48+541946.3

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