18552+5750 HJ 2848AC

 
 
18h 55m 09.61s +57 49' 30.5" P.A. 52 sep 29.8 mag 10.49,12.50
 
 
Coord 2000
18552+5750
Discov num
HJ 2848
Comp
AC
Coord arcsec 2000
18 55 09.61 +57 49 30.5
Date first
1903
Date last
2003
Obs
4
Pa first
54
Pa last
52
P.A. Now (θ)
52°
Sep first
28.6
Sep last
29.8
Sep. Now (ρ)
29.8"
Mag pri
10.49
Mag sec
12.50
delta mag (ΔM)
2.01
Spectral class
Pri motion ra
+008
Sec motion ra
-001
Pri motion dec
-013
Sec motion dec
-002
Notes
rPM=0.931
This double is not physical.
 
 
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
52.3
Precise sep
29.83
Cdsa2 id
HJ 2848 AC
Constellation
Draco
Ra deg
18.91933611111111
De deg
57.825138888888894
last precise pa
52.3
last precise sep
29.83
 
 
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 AC 1908 1 55 33.0 10.49 13.10 185509.61+574930.5
18552+5750 HJ 2848 AC 1999 2 52 29.8 10.49 13.10 185509.61+574930.5
18552+5750 HJ 2848 AC 2003 3 52 29.8 10.49 13.10 185509.61+574930.5

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