20489+3503 SEI 1257 AB
20h 48m 47.83s +35° 03' 07.3" P.A. 215.00 sep 17.9 mag 10.00,11.00
| Coord 2000 |
20489+3503 |
|
Discov num |
SEI1257 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 48 47.83 +35 03 07.3 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
218 |
|
Pa last |
215.3 |
|
P.A. Now (θ) |
215.3° |
|
| Sep first |
18.8 |
|
Sep last |
17.901 |
|
Sep. Now (ρ) |
17.901" |
|
| Mag pri |
10.00 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-026 |
|
| Pri motion dec |
-019 |
|
Sec motion dec |
+009 |
|
| Notes |
W
|
|
rPM=1.34
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
