16578+4650 A 1873
16h 57m 50.40s +46° 49' 47.6" P.A. 301.00 sep 2.5 mag 8.79,12.84 Sp G5 dist. 250.63 pc (817.56 l.y.)
| Coord 2000 |
16578+4650 |
|
Discov num |
A 1873 |
|
Comp |
|
|
Coord arcsec 2000 |
16 57 50.40 +46 49 47.6 |
|
| Date first |
1878 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
280 |
|
Pa last |
300.7 |
|
P.A. Now (θ) |
300.7° |
|
| Sep first |
1.4 |
|
Sep last |
2.48 |
|
Sep. Now (ρ) |
2.48" |
|
| Mag pri |
8.79 |
|
Mag sec |
12.84 |
|
delta mag (ΔM) |
4.05 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-021 |
|
Sec motion ra |
-022 |
|
| Pri motion dec |
-044 |
|
Sec motion dec |
-045 |
|
| Notes |
|
|
rPM=0.028 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
SAO |
46407 |
|
HIP |
83015 |
|
Tycho2 |
3500-00890-1 |
|
| Gaia DR2 |
1407955838009761536 |
|
HD |
153526 |
|
BD |
BD+47 2412 |
|
Distance |
250.63 |
|
| Distance ly |
817.56 |
|