01506+0231 HDO  54AB

 
 
01h 50m 36.65s +02 31' 00.0" P.A. 118 sep 4.5 mag 9.82,11.00 Sp A5
 
 
Coord 2000
01506+0231
Discov num
HDO  54
Comp
AB
Coord arcsec 2000
01 50 36.65 +02 31 00.0
Date first
1867
Date last
2017
Obs
14
Pa first
117
Pa last
118
P.A. Now (θ)
118°
Sep first
4.5
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
9.82
Mag sec
11.00
delta mag (ΔM)
1.18
Spectral class
A5 (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
01506+0231 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 01506+0231 HDO 54 AB 1867 2017 14 118 4.5 9.82 11.00 1.18 <===
Show 01506+0231 HDO 54 AC 1867 2017 10 214 17.2 9.82 12.83 3.01
Show 01506+0231 ABT 1 AD 1909 2017 8 209 70.0 9.82 12.83 3.01
Show 01506+0231 HDO 54 BC 1867 2015 7 226 18.3 11.00 12.83 1.83
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.7
Precise sep
4.45
Constellation
Cetus
Tycho2
0033-00330-1
Gaia DR2
38518968192
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01506+0231 HDO 54 AB 2004 11 117 4.6 9.82 11.80 A5 D 015036.65+023100.0
01506+0231 HDO 54 AB 2017 14 118 4.5 9.82 11.00 A5 015036.65+023100.0

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