21304+3504 HLD 45 (HD 204842)
21h 30m 21.53s +35° 03' 40.1" P.A. 198.00 sep 1.3 mag 9.30,9.73 Sp A0 dist. 8333.33 pc (27183.32 l.y.)
| Coord 2000 |
21304+3504 |
|
Discov num |
HLD 45 |
|
Comp |
|
|
Coord arcsec 2000 |
21 30 21.53 +35 03 40.1 |
|
| Date first |
1881 |
|
Date last |
2016 |
|
Obs |
36 |
|
| Pa first |
198 |
|
Pa last |
198.4 |
|
P.A. Now (θ) |
198.4° |
|
| Sep first |
1.3 |
|
Sep last |
1.302 |
|
Sep. Now (ρ) |
1.302" |
|
| Mag pri |
9.30 |
|
Mag sec |
9.73 |
|
delta mag (ΔM) |
0.43 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
+005 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 204842 |
|
Constellation |
Cygnus |
|
SAO |
71407 |
|
HIP |
106174 |
|
| Tycho2 |
2712-00574-1 |
|
Gaia DR2 |
1951236146892530560 |
|
HD |
204842 |
|
BD |
BD+34 4437 |
|
| Distance |
8333.33 |
|
Distance ly |
27183.32 |
|
