19094+3034 HO 572 (HD 178947)
19h 09m 23.13s +30° 33' 58.6" P.A. 314.00 sep 17.9 mag 6.90,12.40 Sp B8V dist. 473.93 pc (1545.96 l.y.)
| Coord 2000 |
19094+3034 |
|
Discov num |
HO 572 |
|
Comp |
|
|
Coord arcsec 2000 |
19 09 23.13 +30 33 58.6 |
|
| Date first |
1896 |
|
Date last |
2010 |
|
Obs |
5 |
|
| Pa first |
316 |
|
Pa last |
314.1 |
|
P.A. Now (θ) |
314.1° |
|
| Sep first |
18.4 |
|
Sep last |
17.85 |
|
Sep. Now (ρ) |
17.85" |
|
| Mag pri |
6.90 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
5.5 |
|
Spectral class |
B8V (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+002 |
|
| Notes |
|
|
rPM=0.224 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 178947 |
|
Constellation |
Lyra |
|
SAO |
67883 |
|
HIP |
94104 |
|
| Tycho2 |
2640-00530-1 |
|
Gaia DR2 |
2042421639779130240 |
|
HD |
178947 |
|
GC |
26404 |
|
| BD |
BD+30 3442 |
|
Distance |
473.93 |
|
Distance ly |
1545.96 |
|
