18564+4530 HJ 1356AB

 
 
18h 56m 22.13s +45 30' 25.4" P.A. 342 sep 29.3 mag 8.39,9.35 Sp F8
 
 
Coord 2000
18564+4530
Discov num
HJ 1356
Comp
AB
Coord arcsec 2000
18 56 22.13 +45 30 25.4
Date first
1828
Date last
2015
Obs
21
Pa first
345
Pa last
342
P.A. Now (θ)
342°
Sep first
30.0
Sep last
29.3
Sep. Now (ρ)
29.3"
Mag pri
8.39
Mag sec
9.35
delta mag (ΔM)
0.96
Spectral class
F8 (yellow-white)
Pri motion ra
+025
Sec motion ra
+023
Pri motion dec
+058
Sec motion dec
+058
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.032 (< 0.3, Physical double)
This double is physical.
 
 
18564+4530 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18564+4530 HJ 1356 AB 1828 2015 21 342 29.3 8.39 9.35 0.96 <===
Show 18564+4530 RAO 92 AC 2014 2014 1 292 3.6 8.20 15.00 6.80
Show 18564+4530 JKA 16 BD 1894 2003 5 342 549.9 9.30 11.80 2.50
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
341.9
Precise sep
29.307
Cdsa2 id
HJ 1356 AB
Constellation
Lyra
Ra deg
18.939480555555555
De deg
45.50705555555555
last precise pa
341.9
last precise sep
29.307
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18564+4530 HJ 1356 AB 2015 21 342 29.3 8.39 9.35 F8 NV 185622.13+453025.4

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