21200+4308 LDS 2509
21h 19m 58.09s +43° 10' 09.9" P.A. 176.00 sep 1.9 mag 16.20,16.30
| Coord 2000 |
21200+4308 |
|
Discov num |
LDS2509 |
|
Comp |
|
|
Coord arcsec 2000 |
21 19 58.09 +43 10 09.9 |
|
| Date first |
1954 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
23 |
|
Pa last |
175.6 |
|
P.A. Now (θ) |
175.6° |
|
| Sep first |
2.0 |
|
Sep last |
1.914 |
|
Sep. Now (ρ) |
1.914" |
|
| Mag pri |
16.20 |
|
Mag sec |
16.30 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
+108 |
|
Sec motion ra |
+107 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-009 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.013 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1970637343102072192 |
|
