20049+6926 HDS 2863 AB
20h 04m 52.82s +69° 25' 36.5" P.A. 3.00 sep 0.9 mag 10.11,12.77 Sp F8 dist. 305.81 pc (997.55 l.y.)
| Coord 2000 |
20049+6926 |
|
Discov num |
HDS2863 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 04 52.82 +69 25 36.5 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
1 |
|
Pa last |
3.3 |
|
P.A. Now (θ) |
3.3° |
|
| Sep first |
0.8 |
|
Sep last |
0.857 |
|
Sep. Now (ρ) |
0.857" |
|
| Mag pri |
10.11 |
|
Mag sec |
12.77 |
|
delta mag (ΔM) |
2.66 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-019 |
|
Sec motion ra |
-019 |
|
| Pri motion dec |
-039 |
|
Sec motion dec |
-037 |
|
| Notes |
W
|
|
rPM=0.046 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
HIP |
98888 |
|
Tycho2 |
4450-00354-1 |
|
BD |
BD+69 1092 |
|
| Distance |
305.81 |
|
Distance ly |
997.55 |
|
