18019+3123 SEI 554

18h 01m 53.94s +31° 22' 27.5" P.A. 48.00 sep 23.5 mag 11.59,12.40

Coord 2000 18019+3123 Discov num SEI 554 Comp Coord arcsec 2000 18 01 53.94 +31 22 27.5
Date first 1899 Date last 2015 Obs 16
Pa first 47 Pa last 48.1 P.A. Now (θ) 48.1°
Sep first 24.1 Sep last 23.522 Sep. Now (ρ) 23.522"
Mag pri 11.59 Mag sec 12.40 delta mag (ΔM) 0.81 Spectral class
Pri motion ra +001 Sec motion ra +007
Pri motion dec +022 Sec motion dec +014
Notes




rPM=0.454

Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Constellation Hercules Tycho2 2621-01775-1 Gaia DR2 4602903742318990592