21080+1748 LDS 4865
21h 07m 59.29s +17° 47' 58.5" P.A. 106.00 sep 147.9 mag 16.43,17.00
| Coord 2000 |
21080+1748 |
|
Discov num |
LDS4865 |
|
Comp |
|
|
Coord arcsec 2000 |
21 07 59.29 +17 47 58.5 |
|
| Date first |
1960 |
|
Date last |
2010 |
|
Obs |
4 |
|
| Pa first |
105 |
|
Pa last |
106.3 |
|
P.A. Now (θ) |
106.3° |
|
| Sep first |
139.0 |
|
Sep last |
147.9 |
|
Sep. Now (ρ) |
147.9" |
|
| Mag pri |
16.43 |
|
Mag sec |
17.00 |
|
delta mag (ΔM) |
0.57 |
|
Spectral class |
|
|
| Pri motion ra |
-262 |
|
Sec motion ra |
-113 |
|
| Pri motion dec |
-285 |
|
Sec motion dec |
-405 |
|
| Notes |
|
|
rPM=0.455
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
