00378+7254 HJ 1989 AB (HD 3366)
00h 37m 45.68s +72° 53' 41.5" P.A. 52.00 sep 31.8 mag 6.97,11.52 Sp B2V dist. 473.93 pc (1545.96 l.y.)
| Coord 2000 |
00378+7254 |
|
Discov num |
HJ 1989 |
|
Comp |
AB |
|
Coord arcsec 2000 |
00 37 45.68 +72 53 41.5 |
|
| Date first |
1831 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
49 |
|
Pa last |
51.5 |
|
P.A. Now (θ) |
51.5° |
|
| Sep first |
20.0 |
|
Sep last |
31.834 |
|
Sep. Now (ρ) |
31.834" |
|
| Mag pri |
6.97 |
|
Mag sec |
11.52 |
|
delta mag (ΔM) |
4.55 |
|
Spectral class |
B2V (blue-white) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
+003 |
|
| Notes |
|
|
rPM=0.796
Nature of this double is uncertain.
00378+7254 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 3366 |
4165 |
00 37 46 +72 53 42 |
HJ 1989 AB |
2015 |
8 |
52 |
31.8 |
6.97 |
11.52 |
4.55 |
|
<=== |
| Show |
|
|
00 37 51 +72 54 01 |
HJ 1989 BC |
2015 |
10 |
342 |
11.5 |
11.52 |
12.40 |
0.88 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 3366 |
|
Constellation |
Cassiopeia |
|
SAO |
4165 |
|
HIP |
2968 |
|
| Tycho2 |
4303-00957-1 |
|
Gaia DR2 |
536986433739919488 |
|
HD |
3366 |
|
GC |
737 |
|
| BD |
BD+72 35 |
|
Distance |
473.93 |
|
Distance ly |
1545.96 |
|
