18108-4026 HJ 5023

 
 
18h 10m 48.01s -40 25' 53.3" P.A. 276 sep 9.1 mag 8.34,8.59 Sp A2
 
 
Coord 2000
18108-4026
Discov num
HJ 5023
Comp
Coord arcsec 2000
18 10 48.01 -40 25 53.3
Date first
1834
Date last
2016
Obs
23
Pa first
276
Pa last
276
P.A. Now (θ)
276°
Sep first
6.5
Sep last
9.1
Sep. Now (ρ)
9.1"
Mag pri
8.34
Mag sec
8.59
delta mag (ΔM)
0.25
Spectral class
A2 (white)
Pri motion ra
+001
Sec motion ra
+005
Pri motion dec
-016
Sec motion dec
-016
Notes
rPM=0.239 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
275.5
Precise sep
9.12
Constellation
Corona Austrina
SAO
228773
Tycho2
7904-01925-1
last precise pa
275.5
last precise sep
9.12
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18108-4026 HJ 5023 1998 22 276 8.7 8.34 8.59 A2 D 181048.01-402553.3
18108-4026 HJ 5023 2016 23 276 9.1 8.34 8.59 A2 181048.01-402553.3

If you need more information about this double, apply for a data request form to the WDS.