15389+5728 STTA141AD

 
 
15h 38m 54.57s +57 27' 42.4" P.A. 155 sep 35 mag 7.55,15.30 Sp M3 dist. 364.96 pc (1190.5 l.y.)
 
 
Coord 2000
15389+5728
Discov num
STTA141
Comp
AD
Coord arcsec 2000
15 38 54.57 +57 27 42.4
Date first
1904
Date last
2003
Obs
2
Pa first
158
Pa last
155
P.A. Now (θ)
155°
Sep first
37.9
Sep last
35.0
Sep. Now (ρ)
35"
Mag pri
7.55
Mag sec
15.30
delta mag (ΔM)
7.75
Spectral class
M3 (red)
Pri motion ra
-018
Sec motion ra
+046
Pri motion dec
-012
Sec motion dec
-020
Notes
N (See Notes)
rPM=1.286
This double is not physical.
 
 
15389+5728 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 29607 15389+5728 STTA141 AB 1876 2010 25 204 88.4 7.55 9.80 2.25
Show 29607 15389+5728 STTA141 AC 1883 2011 21 335 234.0 7.55 7.98 0.43
Show 29607 15389+5728 STTA141 AD 1904 2003 2 155 35.0 7.55 15.30 7.75 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
154.6
Precise sep
35.005
Constellation
Draco
SAO
29607
HIP
76627
Tycho2
3872-00824-1
HD
140064
BD
BD+57 1600
Distance
364.96
Distance ly
1190.5
last precise pa
154.6
last precise sep
35.005
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15389+5728 STTA141 AD 1904 1 158 37.9 7.55 14.10 M3 N 153854.60+572742.5
15389+5728 STTA141 AD 2003 2 155 35.0 7.55 15.30 M3 N 153854.57+572742.4

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