21346+5128 HEI 287
21h 34m 34.92s +51° 27' 32.1" P.A. 292.00 sep 4.9 mag 11.17,11.70
| Coord 2000 |
21346+5128 |
|
Discov num |
HEI 287 |
|
Comp |
|
|
Coord arcsec 2000 |
21 34 34.92 +51 27 32.1 |
|
| Date first |
1984 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
294 |
|
Pa last |
291.8 |
|
P.A. Now (θ) |
291.8° |
|
| Sep first |
5.0 |
|
Sep last |
4.897 |
|
Sep. Now (ρ) |
4.897" |
|
| Mag pri |
11.17 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
0.53 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
-024 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
rPM=1.078
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2171725547238815872 |
|
