21497+4857 ES 9011
21h 49m 39.65s +48° 57' 03.2" P.A. 216.00 sep 5.5 mag 11.60,12.00
| Coord 2000 |
21497+4857 |
|
Discov num |
ES 9011 |
|
Comp |
|
|
Coord arcsec 2000 |
21 49 39.65 +48 57 03.2 |
|
| Date first |
1909 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
225 |
|
Pa last |
215.6 |
|
P.A. Now (θ) |
215.6° |
|
| Sep first |
5.0 |
|
Sep last |
5.501 |
|
Sep. Now (ρ) |
5.501" |
|
| Mag pri |
11.60 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
| Pri motion ra |
+045 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
+054 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
rPM=1.207
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1979425430311012992 |
|
