12440+2110 STT 253 (HD 110721)
12h 43m 59.85s +21° 10' 22.9" P.A. 238.00 sep 6.5 mag 7.99,10.51 Sp B0 dist. 156.25 pc (509.69 l.y.)
| Coord 2000 |
12440+2110 |
|
Discov num |
STT 253 |
|
Comp |
|
|
Coord arcsec 2000 |
12 43 59.85 +21 10 22.9 |
|
| Date first |
1843 |
|
Date last |
2016 |
|
Obs |
32 |
|
| Pa first |
232 |
|
Pa last |
237.6 |
|
P.A. Now (θ) |
237.6° |
|
| Sep first |
5.8 |
|
Sep last |
6.507 |
|
Sep. Now (ρ) |
6.507" |
|
| Mag pri |
7.99 |
|
Mag sec |
10.51 |
|
delta mag (ΔM) |
2.52 |
|
Spectral class |
B0 (blue-white) |
|
| Pri motion ra |
-020 |
|
Sec motion ra |
-024 |
|
| Pri motion dec |
+025 |
|
Sec motion dec |
+022 |
|
| Notes |
|
|
rPM=0.154 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 110721 |
|
Constellation |
Coma Berenices |
|
SAO |
82462 |
|
HIP |
62130 |
|
| Tycho2 |
1448-02405-1 |
|
Gaia DR2 |
3954655394798328576 |
|
HD |
110721 |
|
BD |
BD+21 2451 |
|
| Distance |
156.25 |
|
Distance ly |
509.69 |
|
