21185+8021 STF 2801 (HD 204129)
21h 18m 31.05s +80° 21' 12.5" P.A. 271.00 sep 2.1 mag 7.87,8.62 Sp F6V dist. 82.24 pc (268.27 l.y.)
| Coord 2000 |
21185+8021 |
|
Discov num |
STF2801 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 31.05 +80 21 12.5 |
|
| Date first |
1832 |
|
Date last |
2019 |
|
Obs |
78 |
|
| Pa first |
273 |
|
Pa last |
271 |
|
P.A. Now (θ) |
271° |
|
| Sep first |
1.4 |
|
Sep last |
2.094 |
|
Sep. Now (ρ) |
2.094" |
|
| Mag pri |
7.87 |
|
Mag sec |
8.62 |
|
delta mag (ΔM) |
0.75 |
|
Spectral class |
F6V (yellow-white) |
|
| Pri motion ra |
+160 |
|
Sec motion ra |
+160 |
|
| Pri motion dec |
+114 |
|
Sec motion dec |
+114 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 204129 |
|
Constellation |
Cepheus |
|
SAO |
3547 |
|
HIP |
105190 |
|
| Tycho2 |
4594-01449-1 |
|
Gaia DR2 |
2297475485208713472 |
|
HD |
204129 |
|
GC |
29921 |
|
| BD |
BD+79 701 |
|
Distance |
82.24 |
|
Distance ly |
268.27 |
|
