20569+1059 HDS 2985 (HD 199453)
20h 56m 55.86s +10° 58' 34.3" P.A. 293.00 sep 0.6 mag 9.17,11.72 Sp B9 dist. 2500 pc (8155 l.y.)
Coord 2000 |
20569+1059 |
|
Discov num |
HDS2985 |
|
Comp |
|
|
Coord arcsec 2000 |
20 56 55.86 +10 58 34.3 |
|
Date first |
1991 |
|
Date last |
2011 |
|
Obs |
3 |
|
Pa first |
293 |
|
Pa last |
292.5 |
|
P.A. Now (θ) |
292.5° |
|
Sep first |
0.6 |
|
Sep last |
0.63 |
|
Sep. Now (ρ) |
0.63" |
|
Mag pri |
9.17 |
|
Mag sec |
11.72 |
|
delta mag (ΔM) |
2.55 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
|
|
Pri motion dec |
+002 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 199453 |
|
Constellation |
Delphinus |
|
SAO |
106686 |
|
HIP |
103402 |
|
Tycho2 |
1107-00822-1 |
|
Gaia DR2 |
1756796208527353344 |
|
HD |
199453 |
|
BD |
BD+10 4418 |
|
Distance |
2500 |
|
Distance ly |
8155 |
|