21577+2015 STF 2849
21h 57m 43.20s +20° 14' 29.9" P.A. 243.00 sep 1.7 mag 8.69,10.37 Sp G5 dist. 123 pc (401.23 l.y.)
| Coord 2000 |
21577+2015 |
|
Discov num |
STF2849 |
|
Comp |
|
|
Coord arcsec 2000 |
21 57 43.20 +20 14 29.9 |
|
| Date first |
1830 |
|
Date last |
2016 |
|
Obs |
43 |
|
| Pa first |
272 |
|
Pa last |
243 |
|
P.A. Now (θ) |
243° |
|
| Sep first |
1.1 |
|
Sep last |
1.658 |
|
Sep. Now (ρ) |
1.658" |
|
| Mag pri |
8.69 |
|
Mag sec |
10.37 |
|
delta mag (ΔM) |
1.68 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+050 |
|
Sec motion ra |
+050 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
HIP |
108409 |
|
Tycho2 |
1687-01710-1 |
|
Gaia DR2 |
1780674371273295360 |
|
| BD |
BD+19 4834 |
|
Distance |
123 |
|
Distance ly |
401.23 |
|
