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
Cdsa2 id
HJ 2848 AB
Constellation
Draco
Ra deg
18.91933611111111
De deg
57.825138888888894
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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