17490+4722 BVD 256

17h 49m 01.83s +47° 22' 01.2" P.A. 239.00 sep 25.4 mag 11.80,18.00

Coord 2000 17490+4722 Discov num BVD 256 Comp Coord arcsec 2000 17 49 01.83 +47 22 01.2
Date first 1998 Date last 2014 Obs 5
Pa first 239 Pa last 238.9 P.A. Now (θ) 238.9°
Sep first 25.4 Sep last 25.429 Sep. Now (ρ) 25.429"
Mag pri 11.80 Mag sec 18.00 delta mag (ΔM) 6.2 Spectral class
Pri motion ra -034 Sec motion ra -034
Pri motion dec +064 Sec motion dec +064
Notes V (Proper motion indicates physical)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Constellation Hercules Tycho2 3515-01683-1