21213+4235 LDS 2513
21h 21m 18.05s +42° 35' 57.2" P.A. 246.00 sep 7.1 mag 15.30,15.80
| Coord 2000 |
21213+4235 |
|
Discov num |
LDS2513 |
|
Comp |
|
|
Coord arcsec 2000 |
21 21 18.05 +42 35 57.2 |
|
| Date first |
1954 |
|
Date last |
2017 |
|
Obs |
8 |
|
| Pa first |
243 |
|
Pa last |
245.9 |
|
P.A. Now (θ) |
245.9° |
|
| Sep first |
6.0 |
|
Sep last |
7.063 |
|
Sep. Now (ρ) |
7.063" |
|
| Mag pri |
15.30 |
|
Mag sec |
15.80 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
+043 |
|
Sec motion ra |
|
|
| Pri motion dec |
-039 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1970415688431787776 |
|