21089+1748 HU 365
21h 08m 55.52s +17° 47' 49.9" P.A. 19.00 sep 1.0 mag 9.26,11.69 Sp K5 dist. 526.32 pc (1716.86 l.y.)
| Coord 2000 |
21089+1748 |
|
Discov num |
HU 365 |
|
Comp |
|
|
Coord arcsec 2000 |
21 08 55.52 +17 47 49.9 |
|
| Date first |
1901 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
17 |
|
Pa last |
19.1 |
|
P.A. Now (θ) |
19.1° |
|
| Sep first |
1.0 |
|
Sep last |
1.045 |
|
Sep. Now (ρ) |
1.045" |
|
| Mag pri |
9.26 |
|
Mag sec |
11.69 |
|
delta mag (ΔM) |
2.43 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
-010 |
|
Sec motion ra |
-014 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=0.371
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
HIP |
104393 |
|
Tycho2 |
1653-01160-1 |
|
Gaia DR2 |
1788220491367753088 |
|
| ADS |
14683 |
|
BD |
BD+17 4509 |
|
Distance |
526.32 |
|
Distance ly |
1716.86 |
|
