18552+5750 HJ 2848AB

 
 
18h 55m 09.61s +57 49' 30.5" P.A. 290 sep 6.6 mag 10.49,12.00
 
 
Coord 2000
18552+5750
Discov num
HJ 2848
Comp
AB
Coord arcsec 2000
18 55 09.61 +57 49 30.5
Date first
1831
Date last
2012
Obs
8
Pa first
296
Pa last
290
P.A. Now (θ)
290°
Sep first
3.0
Sep last
6.6
Sep. Now (ρ)
6.6"
Mag pri
10.49
Mag sec
12.00
delta mag (ΔM)
1.51
Spectral class
Pri motion ra
+008
Sec motion ra
+002
Pri motion dec
-013
Sec motion dec
-024
Notes
rPM=0.52
Nature of this double is uncertain.
 
 
18552+5750 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18552+5750 HJ 2848 AB 1831 2012 8 290 6.6 10.49 12.00 1.51 <===
Show 18552+5750 HJ 2848 AC 1903 2003 4 52 29.8 10.49 12.50 2.01
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
289.8
Precise sep
6.59
Constellation
Draco
last precise pa
289.8
last precise sep
6.59
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18552+5750 HJ 2848 AB 1999 6 290 6.6 10.49 12.00 D 185509.61+574930.5
18552+5750 HJ 2848 AB 2003 7 290 6.6 10.49 12.00 D 185509.61+574930.5
18552+5750 HJ 2848 AB 2012 8 290 6.6 10.49 12.00 D 185509.61+574930.5

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