21185+1541 BPMA 254 AB

 
 
21h 18m 27.41s +15° 40' 54.4" P.A. 334.00 sep 4.6 mag 14.79,16.10
 
 
Coord 2000 21185+1541 Discov num BPMA254 Comp AB Coord arcsec 2000 21 18 27.41 +15 40 54.4
Date first 1997 Date last 2015 Obs 2
Pa first 330 Pa last 333.6 P.A. Now (θ) 333.6°
Sep first 4.3 Sep last 4.606 Sep. Now (ρ) 4.606"
Mag pri 14.79 Mag sec 16.10 delta mag (ΔM) 1.31 Spectral class
Pri motion ra Sec motion ra -032
Pri motion dec Sec motion dec +027
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21185+1541 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 18 27 +15 40 54 BPMA 254 AB 2015 2 334 4.6 14.79 16.10 1.31 <===
Show 21 18 27 +15 40 54 BPMA 254 AC 2001 3 194 260.8 14.79 14.93 0.14
Show 21 18 23 +15 36 41 BPMA 254 CD 2015 4 329 5.9 14.93 15.00 0.07
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Gaia DR2 1783791594107381632