15558+2912 DOO 61 AB
15h 55m 48.61s +29° 11' 38.9" P.A. 251.00 sep 50.1 mag 10.90,11.43 Sp K4:+K4/5 dist. 69.93 pc (228.11 l.y.)
| Coord 2000 |
15558+2912 |
|
Discov num |
DOO 61 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 55 48.61 +29 11 38.9 |
|
| Date first |
1896 |
|
Date last |
2016 |
|
Obs |
18 |
|
| Pa first |
251 |
|
Pa last |
250.5 |
|
P.A. Now (θ) |
250.5° |
|
| Sep first |
49.7 |
|
Sep last |
50.067 |
|
Sep. Now (ρ) |
50.067" |
|
| Mag pri |
10.90 |
|
Mag sec |
11.43 |
|
delta mag (ΔM) |
0.53 |
|
Spectral class |
K4:+K4/5 (yellow-orange/yellow-orange) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
-037 |
|
Sec motion dec |
-037 |
|
| Notes |
T
(Parallax indicates physical) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corona Borealis |
|
HIP |
78015 |
|
Tycho2 |
2040-00526-1 |
|
BD |
BD+29 2740 |
|
| Distance |
69.93 |
|
Distance ly |
228.11 |
|
