02422+4242 STT 44 AB (HD 16728)
02h 42m 13.13s +42° 41' 57.2" P.A. 56.00 sep 1.4 mag 8.46,8.96 Sp B9Vp dist. 248.14 pc (809.43 l.y.)
| Coord 2000 |
02422+4242 |
|
Discov num |
STT 44 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 42 13.13 +42 41 57.2 |
|
| Date first |
1843 |
|
Date last |
2018 |
|
Obs |
58 |
|
| Pa first |
58 |
|
Pa last |
56.2 |
|
P.A. Now (θ) |
56.2° |
|
| Sep first |
1.4 |
|
Sep last |
1.387 |
|
Sep. Now (ρ) |
1.387" |
|
| Mag pri |
8.46 |
|
Mag sec |
8.96 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
B9Vp (blue-white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
02422+4242 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 16728 |
38254 |
02 42 13 +42 41 57 |
STT 44 AB |
2018 |
58 |
56 |
1.4 |
8.46 |
8.96 |
0.50 |
|
<=== |
| Show |
|
38254 |
02 42 13 +42 41 57 |
STT 44 AC |
2017 |
14 |
290 |
87.2 |
8.47 |
8.32 |
0.15 |
|
|
| Show |
|
38248 |
02 42 06 +42 42 27 |
HJ 1124 CD |
2014 |
10 |
149 |
17.5 |
8.32 |
12.30 |
3.98 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 16728 |
|
Constellation |
Perseus |
|
SAO |
38254 |
|
HIP |
12619 |
|
| Tycho2 |
2853-01013-1 |
|
Gaia DR2 |
337152875448699392 |
|
HD |
16728 |
|
BD |
BD+42 598 |
|
| Distance |
248.14 |
|
Distance ly |
809.43 |
|
