01554+7613 STF 170

 
 
01h 55m 27.35s +76 13' 28.4" P.A. 244 sep 3.2 mag 7.49,8.24 Sp A5 dist. 157.98 pc (515.33 l.y.)
 
 
Coord 2000
01554+7613
Discov num
STF 170
Comp
Coord arcsec 2000
01 55 27.35 +76 13 28.4
Date first
1830
Date last
2016
Obs
65
Pa first
247
Pa last
244
P.A. Now (θ)
244°
Sep first
3.2
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
7.49
Mag sec
8.24
delta mag (ΔM)
0.75
Spectral class
A5 (white)
Pri motion ra
-018
Sec motion ra
-018
Pri motion dec
+003
Sec motion dec
+003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
243.5
Precise sep
3.17
Constellation
Cassiopeia
SAO
4512
HIP
8962
Tycho2
4494-01910-1
HD
11316
BD
BD+75 76
Distance
157.98
Distance ly
515.33
last precise pa
243.5
last precise sep
3.17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01554+7613 STF 170 2005 61 243 3.2 7.49 8.24 A5 015527.35+761328.4
01554+7613 STF 170 2008 62 243 3.1 7.49 8.24 A5 015527.35+761328.4
01554+7613 STF 170 2016 65 244 3.2 7.49 8.24 A5 015527.35+761328.4

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