20393+1529 HEI 77
20h 39m 15.21s +15° 31' 29.5" P.A. 41.00 sep 1.4 mag 10.91,10.72
| Coord 2000 |
20393+1529 |
|
Discov num |
HEI 77 |
|
Comp |
|
|
Coord arcsec 2000 |
20 39 15.21 +15 31 29.5 |
|
| Date first |
1978 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
44 |
|
Pa last |
41.3 |
|
P.A. Now (θ) |
41.3° |
|
| Sep first |
1.3 |
|
Sep last |
1.357 |
|
Sep. Now (ρ) |
1.357" |
|
| Mag pri |
10.91 |
|
Mag sec |
10.72 |
|
delta mag (ΔM) |
0.19 |
|
Spectral class |
|
|
| Pri motion ra |
-007 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
+008 |
|
Sec motion dec |
+008 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Tycho2 |
1633-00171-1 |
|
Gaia DR2 |
1810660772073500672 |
|
