21420+2924 MLB 539
21h 42m 00.18s +29° 22' 57.3" P.A. 171.00 sep 4.8 mag 9.60,10.20 Sp K2
| Coord 2000 |
21420+2924 |
|
Discov num |
MLB 539 |
|
Comp |
|
|
Coord arcsec 2000 |
21 42 00.18 +29 22 57.3 |
|
| Date first |
1894 |
|
Date last |
2011 |
|
Obs |
6 |
|
| Pa first |
142 |
|
Pa last |
170.9 |
|
P.A. Now (θ) |
170.9° |
|
| Sep first |
6.0 |
|
Sep last |
4.83 |
|
Sep. Now (ρ) |
4.83" |
|
| Mag pri |
9.60 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+015 |
|
Sec motion ra |
|
|
| Pri motion dec |
+007 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2201-00294-1 |
|
Gaia DR2 |
1849432541365960448 |
|
