10556+2445 STF 1487 (54 Leo)
10h 55m 36.80s +24° 44' 59.0" P.A. 112.00 sep 6.6 mag 4.48,6.30 Sp A1V+A2Vn dist. 87.95 pc (286.89 l.y.)
Coord 2000 |
10556+2445 |
|
Discov num |
STF1487 |
|
Comp |
|
|
Coord arcsec 2000 |
10 55 36.80 +24 44 59.0 |
|
Date first |
1777 |
|
Date last |
2020 |
|
Obs |
277 |
|
Pa first |
105 |
|
Pa last |
111.5 |
|
P.A. Now (θ) |
111.5° |
|
Sep first |
6.0 |
|
Sep last |
6.56 |
|
Sep. Now (ρ) |
6.56" |
|
Mag pri |
4.48 |
|
Mag sec |
6.30 |
|
delta mag (ΔM) |
1.82 |
|
Spectral class |
A1V+A2Vn (white/white) |
|
Pri motion ra |
-072 |
|
Sec motion ra |
-078 |
|
Pri motion dec |
-013 |
|
Sec motion dec |
-015 |
|
Notes |
N
(See Notes) |
|
rPM=0.08 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
54 Leo |
|
Constellation |
Leo |
|
SAO |
81583 |
|
HIP |
53417 |
|
Tycho2 |
1978-02295-1 |
|
Gaia DR2 |
3996208310033740160 |
|
HD |
94601 |
|
HR |
4259 |
|
GC |
15016 |
|
ADS |
7979 |
|
BD |
BD+25 2314 |
|
Flamsteed |
54 Leonis |
|
Flamsteed name |
54 Leo |
|
Distance |
87.95 |
|
Distance ly |
286.89 |
|