18404+4606 HJ 1339

 
 
18h 40m 26.72s +46 05' 44.5" P.A. 321 sep 26.4 mag 8.67,10.14 Sp M
 
 
Coord 2000
18404+4606
Discov num
HJ 1339
Comp
Coord arcsec 2000
18 40 26.72 +46 05 44.5
Date first
1828
Date last
2011
Obs
20
Pa first
334
Pa last
321
P.A. Now (θ)
321°
Sep first
20.0
Sep last
26.4
Sep. Now (ρ)
26.4"
Mag pri
8.67
Mag sec
10.14
delta mag (ΔM)
1.47
Spectral class
M (red)
Pri motion ra
+011
Sec motion ra
-001
Pri motion dec
+007
Sec motion dec
-016
Notes
rPM=1.618
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
321.2
Precise sep
26.4
Constellation
Lyra
SAO
47693
Tycho2
3527-01434-1
HD
172898
last precise pa
321.2
last precise sep
26.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18404+4606 HJ 1339 2006 14 322 22.7 8.67 10.14 M D 184026.72+460544.5
18404+4606 HJ 1339 2009 15 322 23.2 8.67 10.14 M D 184026.72+460544.5
18404+4606 HJ 1339 2011 20 321 26.4 8.67 10.14 M 184026.72+460544.5

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