21531+4826 COU 2319 AD
 
 
 21h 53m 02.23s +48° 25' 42.4" P.A. 88.00 sep 2.4 mag 11.70,
 
 
| Coord 2000 | 21531+4826 |  | Discov num | COU2319 |  | Comp | AD |  | Coord arcsec 2000 | 21 53 02.23 +48 25 42.4 |  | 
| Date first | 2014 |  | Date last | 2014 |  | Obs | 1 |  | 
| Pa first | 88 |  | Pa last | 88.1 |  | P.A. Now (θ) | 88.1° |  | 
| Sep first | 2.4 |  | Sep last | 2.355 |  | Sep. Now (ρ) | 2.355" |  | 
| Mag pri | 11.70 |  | Mag sec |  |  | delta mag (ΔM) |  |  | Spectral class |  |  | 
| Pri motion ra | -002 |  | Sec motion ra |  |  | 
| Pri motion dec | -001 |  | Sec motion dec |  |  | 
| Notes |  |  | 
Nature of this double is uncertain.
 
 
21531+4826 SYSTEM COMPONENTS
 
 
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current | 
| Show |  |  | 21 53 02 +48 25 42 | COU 2319 AB | 2014 | 4 | 59 | 0.8 | 11.70 | 14.30 | 2.60 |  |  | 
| Show |  |  | 21 53 02 +48 25 42 | GII 87 AC | 2015 | 8 | 31 | 6.2 | 11.70 | 14.30 | 2.60 |  |  | 
| Show |  |  | 21 53 02 +48 25 42 | COU 2319 AD | 2014 | 1 | 88 | 2.4 | 11.70 |  |  |  | <=== | 
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS