18581+3308 HLM  12

 
 
18h 57m 57.32s +33 08' 05.6" P.A. 357 sep 14 mag 11.66,12.70
 
 
Coord 2000
18581+3308
Discov num
HLM  12
Comp
Coord arcsec 2000
18 57 57.32 +33 08 05.6
Date first
1918
Date last
2010
Obs
8
Pa first
359
Pa last
357
P.A. Now (θ)
357°
Sep first
13.9
Sep last
14.0
Sep. Now (ρ)
14"
Mag pri
11.66
Mag sec
12.70
delta mag (ΔM)
1.04
Spectral class
Pri motion ra
-001
Sec motion ra
-006
Pri motion dec
-002
Sec motion dec
-008
Notes
rPM=0.781
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
356.9
Precise sep
13.97
Constellation
Lyra
last precise pa
356.9
last precise sep
13.97
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18581+3308 HLM 12 2004 6 357 14.0 11.66 12.70 D 185757.32+330805.6
18581+3308 HLM 12 2010 8 357 13.7 11.66 12.70 185757.32+330805.6

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