20423+1921 SHN 39
20h 42m 15.78s +19° 21' 51.6" P.A. 54.00 sep 0.5 mag 12.30,14.70
| Coord 2000 |
20423+1921 |
|
Discov num |
SHN 39 |
|
Comp |
|
|
Coord arcsec 2000 |
20 42 15.78 +19 21 51.6 |
|
| Date first |
1997 |
|
Date last |
2012 |
|
Obs |
2 |
|
| Pa first |
47 |
|
Pa last |
54.3 |
|
P.A. Now (θ) |
54.3° |
|
| Sep first |
0.4 |
|
Sep last |
0.458 |
|
Sep. Now (ρ) |
0.458" |
|
| Mag pri |
12.30 |
|
Mag sec |
14.70 |
|
delta mag (ΔM) |
2.4 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1814151304876961408 |
|
