21553+1842 HO 173
21h 55m 17.17s +18° 43' 11.7" P.A. 73.00 sep 0.9 mag 10.34,10.63
| Coord 2000 |
21553+1842 |
|
Discov num |
HO 173 |
|
Comp |
|
|
Coord arcsec 2000 |
21 55 17.17 +18 43 11.7 |
|
| Date first |
1881 |
|
Date last |
2016 |
|
Obs |
18 |
|
| Pa first |
73 |
|
Pa last |
73.1 |
|
P.A. Now (θ) |
73.1° |
|
| Sep first |
1.1 |
|
Sep last |
0.9 |
|
Sep. Now (ρ) |
0.9" |
|
| Mag pri |
10.34 |
|
Mag sec |
10.63 |
|
delta mag (ΔM) |
0.29 |
|
Spectral class |
|
|
| Pri motion ra |
+012 |
|
Sec motion ra |
+012 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-014 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
1683-00821-1 |
|
Gaia DR2 |
1779418419751224064 |
|
ADS |
15445 |
|
