21582+8421 WFC 238 (HD 210218)
21h 58m 13.75s +84° 20' 33.6" P.A. 167.00 sep 9.6 mag 9.10,11.26 Sp A5
| Coord 2000 |
21582+8421 |
|
Discov num |
WFC 238 |
|
Comp |
|
|
Coord arcsec 2000 |
21 58 13.75 +84 20 33.6 |
|
| Date first |
1898 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
168 |
|
Pa last |
166.9 |
|
P.A. Now (θ) |
166.9° |
|
| Sep first |
8.6 |
|
Sep last |
9.568 |
|
Sep. Now (ρ) |
9.568" |
|
| Mag pri |
9.10 |
|
Mag sec |
11.26 |
|
delta mag (ΔM) |
2.16 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-007 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.277 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 210218 |
|
Constellation |
Cepheus |
|
SAO |
3680 |
|
Tycho2 |
4649-00033-1 |
|
| Gaia DR2 |
2300457605557351040 |
|
HD |
210218 |
|
DM |
BD+83 622 |
|
