02439+5158 HU 540 AB (HD 16845)
02h 43m 57.16s +51° 57' 30.3" P.A. 218.00 sep 3.8 mag 9.01,12.50 Sp F5
| Coord 2000 |
02439+5158 |
|
Discov num |
HU 540 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 43 57.16 +51 57 30.3 |
|
| Date first |
1902 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
218 |
|
Pa last |
218.1 |
|
P.A. Now (θ) |
218.1° |
|
| Sep first |
3.7 |
|
Sep last |
3.772 |
|
Sep. Now (ρ) |
3.772" |
|
| Mag pri |
9.01 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
3.49 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
+006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
02439+5158 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 16845 |
23570 |
02 43 57 +51 57 30 |
HU 540 AB |
2015 |
7 |
218 |
3.8 |
9.01 |
12.50 |
3.49 |
|
<=== |
| Show |
|
23570 |
02 43 57 +51 57 30 |
FOX 9002 AC |
2015 |
4 |
106 |
27.1 |
9.01 |
13.80 |
4.79 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 16845 |
|
Constellation |
Perseus |
|
SAO |
23570 |
|
Tycho2 |
3308-02325-1 |
|
| Gaia DR2 |
452690278856816000 |
|
HD |
16845 |
|
