16408-7218 HDO 255 (HD 149392)
16h 40m 47.44s -72° 17' 58.6" P.A. 253.00 sep 2.4 mag 6.67,10.60 Sp G8III dist. 124.53 pc (406.22 l.y.)
| Coord 2000 |
16408-7218 |
|
Discov num |
HDO 255 |
|
Comp |
|
|
Coord arcsec 2000 |
16 40 47.44 -72 17 58.6 |
|
| Date first |
1897 |
|
Date last |
1991 |
|
Obs |
5 |
|
| Pa first |
235 |
|
Pa last |
252.7 |
|
P.A. Now (θ) |
252.7° |
|
| Sep first |
2.8 |
|
Sep last |
2.37 |
|
Sep. Now (ρ) |
2.37" |
|
| Mag pri |
6.67 |
|
Mag sec |
10.60 |
|
delta mag (ΔM) |
3.93 |
|
Spectral class |
G8III (yellow) |
|
| Pri motion ra |
+020 |
|
Sec motion ra |
+018 |
|
| Pri motion dec |
+030 |
|
Sec motion dec |
+028 |
|
| Notes |
|
|
rPM=0.078 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 149392 |
|
Constellation |
Apus |
|
SAO |
257421 |
|
HIP |
81653 |
|
| Tycho2 |
9282-02463-1 |
|
Gaia DR2 |
5806046436959859072 |
|
HD |
149392 |
|
GC |
22349 |
|
| CP |
CP-72 1971 |
|
Distance |
124.53 |
|
Distance ly |
406.22 |
|
