20197+2447 BKO 825
 
 
 20h 19m 39.74s +24° 46' 39.3" P.A. 249.00 sep 4.7 mag 13.30,13.80
 
 
| Coord 2000 | 
20197+2447 | 
 | 
Discov num | 
BKO 825 | 
 | 
Comp | 
 | 
 | 
Coord arcsec 2000 | 
20 19 39.74 +24 46 39.3 | 
 | 
| Date first | 
1998 | 
 | 
Date last | 
2015 | 
 | 
Obs | 
5 | 
 | 
| Pa first | 
249 | 
 | 
Pa last | 
248.7 | 
 | 
P.A. Now (θ) | 
248.7° | 
 | 
| Sep first | 
4.7 | 
 | 
Sep last | 
4.68 | 
 | 
Sep. Now (ρ) | 
4.68" | 
 | 
| Mag pri | 
13.30 | 
 | 
Mag sec | 
13.80 | 
 | 
delta mag (ΔM) | 
0.5 | 
 | 
Spectral class | 
 | 
 | 
| Pri motion ra | 
+029 | 
 | 
Sec motion ra | 
 | 
 | 
| Pri motion dec | 
+010 | 
 | 
Sec motion dec | 
 | 
 | 
| Notes | 
 | 
 | 
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
| Constellation | 
Vulpecula | 
 | 
Gaia DR2 | 
1832185224032508288 | 
 |