21513+0332 HEI 291
21h 51m 13.25s +03° 31' 45.3" P.A. 300.00 sep 2.3 mag 10.40,10.70
| Coord 2000 |
21513+0332 |
|
Discov num |
HEI 291 |
|
Comp |
|
|
Coord arcsec 2000 |
21 51 13.25 +03 31 45.3 |
|
| Date first |
1984 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
302 |
|
Pa last |
300.1 |
|
P.A. Now (θ) |
300.1° |
|
| Sep first |
2.3 |
|
Sep last |
2.25 |
|
Sep. Now (ρ) |
2.25" |
|
| Mag pri |
10.40 |
|
Mag sec |
10.70 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
2695775359076941056 |
|
