20387+4830 HJ 1558
20h 38m 41.59s +48° 28' 32.2" P.A. 205.00 sep 4.4 mag 9.38,11.40
| Coord 2000 |
20387+4830 |
|
Discov num |
HJ 1558 |
|
Comp |
|
|
Coord arcsec 2000 |
20 38 41.59 +48 28 32.2 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
201 |
|
Pa last |
204.9 |
|
P.A. Now (θ) |
204.9° |
|
| Sep first |
5.0 |
|
Sep last |
4.357 |
|
Sep. Now (ρ) |
4.357" |
|
| Mag pri |
9.38 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
2.02 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
+001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3578-01874-1 |
|
Gaia DR2 |
2167755515682692864 |
|
