20421+4532 BKO 157
20h 42m 05.19s +45° 32' 15.6" P.A. 240.00 sep 8.9 mag 14.10,14.80
| Coord 2000 |
20421+4532 |
|
Discov num |
BKO 157 |
|
Comp |
|
|
Coord arcsec 2000 |
20 42 05.19 +45 32 15.6 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
240 |
|
Pa last |
240.3 |
|
P.A. Now (θ) |
240.3° |
|
| Sep first |
8.9 |
|
Sep last |
8.855 |
|
Sep. Now (ρ) |
8.855" |
|
| Mag pri |
14.10 |
|
Mag sec |
14.80 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
|
|
| Pri motion ra |
+018 |
|
Sec motion ra |
+022 |
|
| Pri motion dec |
+008 |
|
Sec motion dec |
+008 |
|
| Notes |
|
|
rPM=0.171 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2070418092043110144 |
|
