21452+2914 UC 4550
21h 45m 10.80s +29° 14' 21.5" P.A. 15.00 sep 42.5 mag 8.60,15.70 Sp K2III
| Coord 2000 |
21452+2914 |
|
Discov num |
UC 4550 |
|
Comp |
|
|
Coord arcsec 2000 |
21 45 10.80 +29 14 21.5 |
|
| Date first |
1999 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
16 |
|
Pa last |
14.5 |
|
P.A. Now (θ) |
14.5° |
|
| Sep first |
43.0 |
|
Sep last |
42.512 |
|
Sep. Now (ρ) |
42.512" |
|
| Mag pri |
8.60 |
|
Mag sec |
15.70 |
|
delta mag (ΔM) |
7.1 |
|
Spectral class |
K2III (yellow-orange) |
|
| Pri motion ra |
+058 |
|
Sec motion ra |
+054 |
|
| Pri motion dec |
+018 |
|
Sec motion dec |
+004 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.24 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
89959 |
|
Tycho2 |
2201-01090-1 |
|
Gaia DR2 |
1801333065179073408 |
|
| HD |
206979 |
|
DM |
BD+28 4178 |
|
