15497+7132 LDS1830AB

 
 
15h 49m 40.44s +71 31' 43.5" P.A. 287 sep 1.8 mag 17.30,19.50
 
 
Coord 2000
15497+7132
Discov num
LDS1830
Comp
AB
Coord arcsec 2000
15 49 40.44 +71 31 43.5
Date first
1966
Date last
2000
Obs
2
Pa first
287
Pa last
287
P.A. Now (θ)
287°
Sep first
4.5
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
17.30
Mag sec
19.50
delta mag (ΔM)
2.2
Spectral class
Pri motion ra
+031
Sec motion ra
Pri motion dec
+139
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
15497+7132 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15497+7132 LDS1830 AB 1966 2000 2 287 1.8 17.30 19.50 2.20 <===
Show 15497+7132 LDS1830 AC 1966 2000 3 189 28.0 17.30 19.80 2.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
287.4
Precise sep
1.8
Constellation
Ursa Minor
last precise pa
287.4
last precise sep
1.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15497+7132 LDS1830 AB 1966 1 287 4.5 17.30 19.50 154940.44+713143.5
15497+7132 LDS1830 AB 2000 2 287 1.8 17.30 19.50 154940.44+713143.5

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