20298+1712 J 510
20h 29m 45.69s +17° 11' 55.7" P.A. 248.00 sep 4.9 mag 9.80,13.10 Sp A2
| Coord 2000 |
20298+1712 |
|
Discov num |
J 510 |
|
Comp |
|
|
Coord arcsec 2000 |
20 29 45.69 +17 11 55.7 |
|
| Date first |
1911 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
239 |
|
Pa last |
248.1 |
|
P.A. Now (θ) |
248.1° |
|
| Sep first |
3.3 |
|
Sep last |
4.876 |
|
Sep. Now (ρ) |
4.876" |
|
| Mag pri |
9.80 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
3.3 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Tycho2 |
1636-01976-1 |
|
Gaia DR2 |
1811970427864976640 |
|
