20498+1321 HJ 1578
20h 49m 53.07s +13° 20' 27.7" P.A. 311.00 sep 11.5 mag 9.84,12.01
| Coord 2000 |
20498+1321 |
|
Discov num |
HJ 1578 |
|
Comp |
|
|
Coord arcsec 2000 |
20 49 53.07 +13 20 27.7 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
308 |
|
Pa last |
311.3 |
|
P.A. Now (θ) |
311.3° |
|
| Sep first |
8.0 |
|
Sep last |
11.52 |
|
Sep. Now (ρ) |
11.52" |
|
| Mag pri |
9.84 |
|
Mag sec |
12.01 |
|
delta mag (ΔM) |
2.17 |
|
Spectral class |
|
|
| Pri motion ra |
+009 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-042 |
|
Sec motion dec |
-033 |
|
| Notes |
|
|
rPM=0.368
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Tycho2 |
1102-00878-1 |
|
Gaia DR2 |
1761146430580021120 |
|
