20121+0306 HEI 581
20h 12m 04.92s +03° 05' 12.3" P.A. 160.00 sep 0.8 mag 10.54,11.11
| Coord 2000 |
20121+0306 |
|
Discov num |
HEI 581 |
|
Comp |
|
|
Coord arcsec 2000 |
20 12 04.92 +03 05 12.3 |
|
| Date first |
1989 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
156 |
|
Pa last |
159.9 |
|
P.A. Now (θ) |
159.9° |
|
| Sep first |
0.5 |
|
Sep last |
0.845 |
|
Sep. Now (ρ) |
0.845" |
|
| Mag pri |
10.54 |
|
Mag sec |
11.11 |
|
delta mag (ΔM) |
0.57 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+002 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquila |
|
Tycho2 |
0499-02021-1 |
|
Gaia DR2 |
4244363102265057664 |
|
