10172+2306 STT 523 (39 Leo)
10h 17m 14.53s +23° 06' 22.3" P.A. 300.00 sep 7.8 mag 5.80,11.30 Sp F6V+M1.5 dist. 22.81 pc (74.41 l.y.)
| Coord 2000 |
10172+2306 |
|
Discov num |
STT 523 |
|
Comp |
|
|
Coord arcsec 2000 |
10 17 14.53 +23 06 22.3 |
|
| Date first |
1851 |
|
Date last |
2021 |
|
Obs |
40 |
|
| Pa first |
294 |
|
Pa last |
299.6 |
|
P.A. Now (θ) |
299.6° |
|
| Sep first |
6.8 |
|
Sep last |
7.85 |
|
Sep. Now (ρ) |
7.85" |
|
| Mag pri |
5.80 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
5.5 |
|
Spectral class |
F6V+M1.5 (yellow-white/red) |
|
| Pri motion ra |
-413 |
|
Sec motion ra |
-398 |
|
| Pri motion dec |
-096 |
|
Sec motion dec |
-118 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.063 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
39 Leo |
|
Constellation |
Leo |
|
SAO |
81270 |
|
HIP |
50384 |
|
| Tycho2 |
1969-01262-1 |
|
HD |
89125 |
|
HR |
4039 |
|
GC |
14124 |
|
| ADS |
7712 |
|
BD |
BD+23 2207 |
|
Flamsteed |
39 Leonis |
|
Flamsteed name |
39 Leo |
|
| Distance |
22.81 |
|
Distance ly |
74.41 |
|
