15510-7259 HEI 539
15h 51m 08.44s -72° 59' 21.5" P.A. 57.00 sep 1.2 mag 11.33,11.70
| Coord 2000 |
15510-7259 |
|
Discov num |
HEI 539 |
|
Comp |
|
|
Coord arcsec 2000 |
15 51 08.44 -72 59 21.5 |
|
| Date first |
1989 |
|
Date last |
1989 |
|
Obs |
1 |
|
| Pa first |
57 |
|
Pa last |
57.2 |
|
P.A. Now (θ) |
57.2° |
|
| Sep first |
1.2 |
|
Sep last |
1.23 |
|
Sep. Now (ρ) |
1.23" |
|
| Mag pri |
11.33 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
0.37 |
|
Spectral class |
|
|
| Pri motion ra |
-012 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Apus |
|
Tycho2 |
9268-00627-1 |
|
Gaia DR2 |
5794507990142127104 |
|
