02540+4710 BU 1293 (HD 17891)
02h 54m 00.98s +47° 09' 39.2" P.A. 350.00 sep 2.1 mag 6.81,10.45 Sp B9 dist. 194.55 pc (634.62 l.y.)
| Coord 2000 |
02540+4710 |
|
Discov num |
BU 1293 |
|
Comp |
|
|
Coord arcsec 2000 |
02 54 00.98 +47 09 39.2 |
|
| Date first |
1900 |
|
Date last |
2016 |
|
Obs |
10 |
|
| Pa first |
352 |
|
Pa last |
349.9 |
|
P.A. Now (θ) |
349.9° |
|
| Sep first |
1.7 |
|
Sep last |
2.059 |
|
Sep. Now (ρ) |
2.059" |
|
| Mag pri |
6.81 |
|
Mag sec |
10.45 |
|
delta mag (ΔM) |
3.64 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-012 |
|
| Notes |
|
|
rPM=0.064 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 17891 |
|
Constellation |
Perseus |
|
SAO |
38424 |
|
HIP |
13512 |
|
| Tycho2 |
3301-01635-1 |
|
Gaia DR2 |
437441976720049152 |
|
HD |
17891 |
|
GC |
3461 |
|
| BD |
BD+46 652 |
|
Distance |
194.55 |
|
Distance ly |
634.62 |
|
