20409+1738 J 191
20h 40m 52.16s +17° 37' 59.2" P.A. 166.00 sep 1.3 mag 10.90,11.20
| Coord 2000 |
20409+1738 |
|
Discov num |
J 191 |
|
Comp |
|
|
Coord arcsec 2000 |
20 40 52.16 +17 37 59.2 |
|
| Date first |
1895 |
|
Date last |
2016 |
|
Obs |
19 |
|
| Pa first |
55 |
|
Pa last |
165.8 |
|
P.A. Now (θ) |
165.8° |
|
| Sep first |
4.5 |
|
Sep last |
1.321 |
|
Sep. Now (ρ) |
1.321" |
|
| Mag pri |
10.90 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Tycho2 |
1638-00839-1 |
|
Gaia DR2 |
1811527874429056128 |
|
