11347+1648 STF 1552 AB (90 Leo)
11h 34m 42.50s +16° 47' 48.9" P.A. 209.00 sep 3.1 mag 6.26,7.31 Sp B4V+B9V dist. 581.4 pc (1896.53 l.y.)
| Coord 2000 |
11347+1648 |
|
Discov num |
STF1552 |
|
Comp |
AB |
|
Coord arcsec 2000 |
11 34 42.50 +16 47 48.9 |
|
| Date first |
1782 |
|
Date last |
2018 |
|
Obs |
208 |
|
| Pa first |
209 |
|
Pa last |
208.9 |
|
P.A. Now (θ) |
208.9° |
|
| Sep first |
3.0 |
|
Sep last |
3.05 |
|
Sep. Now (ρ) |
3.05" |
|
| Mag pri |
6.26 |
|
Mag sec |
7.31 |
|
delta mag (ΔM) |
1.05 |
|
Spectral class |
B4V+B9V (blue-white/blue-white) |
|
| Pri motion ra |
-009 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
-001 |
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
11347+1648 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
90 Leo |
99673 |
11 34 42 +16 47 49 |
STF 1552 AB |
2018 |
208 |
209 |
3.1 |
6.26 |
7.31 |
1.05 |
|
<=== |
| Show |
|
99673 |
11 34 42 +16 47 49 |
STF 1552 AC |
2018 |
54 |
235 |
63.4 |
6.26 |
9.77 |
3.51 |
|
|
| Show |
|
|
11 34 42 +16 47 46 |
STF 1552 BC |
2018 |
41 |
236 |
60.2 |
7.31 |
9.77 |
2.46 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
90 Leo |
|
Constellation |
Leo |
|
SAO |
99673 |
|
HIP |
56473 |
|
| Tycho2 |
1438-02840-1 |
|
HD |
100600 |
|
HR |
4456 |
|
GC |
15874 |
|
| ADS |
8220 |
|
BD |
BD+17 2374 |
|
Flamsteed |
90 Leonis |
|
Flamsteed name |
90 Leo |
|
| Distance |
581.4 |
|
Distance ly |
1896.53 |
|
