15209+4540 HDS 2157 Aa,Ab
15h 20m 52.92s +45° 39' 53.5" P.A. 127.00 sep 0.3 mag 6.88, Sp K0 dist. 147.93 pc (482.55 l.y.)
| Coord 2000 |
15209+4540 |
|
Discov num |
HDS2157 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
15 20 52.92 +45 39 53.5 |
|
| Date first |
2015 |
|
Date last |
2015 |
|
Obs |
2 |
|
| Pa first |
126 |
|
Pa last |
127 |
|
P.A. Now (θ) |
127° |
|
| Sep first |
0.3 |
|
Sep last |
0.318 |
|
Sep. Now (ρ) |
0.318" |
|
| Mag pri |
6.88 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+043 |
|
Sec motion ra |
|
|
| Pri motion dec |
-026 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
15209+4540 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
15 20 53 +45 39 54 |
HDS 2157 Aa,Ab |
2015 |
2 |
127 |
0.3 |
6.88 |
|
|
|
<=== |
| Show |
|
|
15 20 53 +45 39 54 |
HDS 2157 AB |
2015 |
13 |
286 |
0.7 |
6.88 |
9.21 |
2.33 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Bootes |
|
SAO |
45500 |
|
HIP |
75107 |
|
Tycho2 |
3482-00905-1 |
|
| HD |
136795 |
|
BD |
BD+46 2059 |
|
Distance |
147.93 |
|
Distance ly |
482.55 |
|
