17312-7310 B 2047 (HD 157578)
17h 31m 14.02s -73° 09' 45.3" P.A. 237.00 sep 1.0 mag 9.06,10.74 Sp K3III dist. 1052.63 pc (3433.68 l.y.)
| Coord 2000 |
17312-7310 |
|
Discov num |
B 2047 |
|
Comp |
|
|
Coord arcsec 2000 |
17 31 14.02 -73 09 45.3 |
|
| Date first |
1935 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
242 |
|
Pa last |
237 |
|
P.A. Now (θ) |
237° |
|
| Sep first |
1.0 |
|
Sep last |
1.028 |
|
Sep. Now (ρ) |
1.028" |
|
| Mag pri |
9.06 |
|
Mag sec |
10.74 |
|
delta mag (ΔM) |
1.68 |
|
Spectral class |
K3III (yellow-orange) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 157578 |
|
Constellation |
Apus |
|
HIP |
85737 |
|
Tycho2 |
9288-02110-1 |
|
| Gaia DR2 |
5803400187347781504 |
|
HD |
157578 |
|
CP |
CP-73 1838 |
|
Distance |
1052.63 |
|
| Distance ly |
3433.68 |
|