18541+2718 HJ 1355

 
 
18h 54m 05.23s +27 17' 51.5" P.A. 223 sep 12.2 mag 11.29,11.70
 
 
Coord 2000
18541+2718
Discov num
HJ 1355
Comp
Coord arcsec 2000
18 54 05.23 +27 17 51.5
Date first
1828
Date last
2014
Obs
11
Pa first
195
Pa last
223
P.A. Now (θ)
223°
Sep first
9.0
Sep last
12.2
Sep. Now (ρ)
12.2"
Mag pri
11.29
Mag sec
11.70
delta mag (ΔM)
0.41
Spectral class
Pri motion ra
+002
Sec motion ra
-023
Pri motion dec
+009
Sec motion dec
+006
Notes
rPM=1.059
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
223.3
Precise sep
12.2
Constellation
Lyra
Tycho2
2117-01866-1
HD
337074
last precise pa
223.3
last precise sep
12.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18541+2718 HJ 1355 2006 7 43 12.1 11.29 11.80 185405.23+271751.5
18541+2718 HJ 1355 2014 11 223 12.2 11.29 11.70 185405.23+271751.5

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