04181+3237 HU 817 (HD 281854)
04h 18m 08.54s +32° 37' 27.5" P.A. 250.00 sep 3.3 mag 9.50,12.50 Sp A0
| Coord 2000 |
04181+3237 |
|
Discov num |
HU 817 |
|
Comp |
|
|
Coord arcsec 2000 |
04 18 08.54 +32 37 27.5 |
|
| Date first |
1904 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
250 |
|
Pa last |
249.5 |
|
P.A. Now (θ) |
249.5° |
|
| Sep first |
3.3 |
|
Sep last |
3.328 |
|
Sep. Now (ρ) |
3.328" |
|
| Mag pri |
9.50 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
3 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-012 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 281854 |
|
Constellation |
Perseus |
|
Tycho2 |
2375-02087-1 |
|
Gaia DR2 |
166630269932385664 |
|
| HD |
281854 |
|
ADS |
3112 |
|
