20397+4721 A 748 (HD 197118)
20h 39m 44.97s +47° 20' 43.0" P.A. 27.00 sep 1.4 mag 7.95,11.53 Sp B8V dist. 335.57 pc (1094.63 l.y.)
| Coord 2000 |
20397+4721 |
|
Discov num |
A 748 |
|
Comp |
|
|
Coord arcsec 2000 |
20 39 44.97 +47 20 43.0 |
|
| Date first |
1904 |
|
Date last |
1991 |
|
Obs |
6 |
|
| Pa first |
26 |
|
Pa last |
27 |
|
P.A. Now (θ) |
27° |
|
| Sep first |
1.4 |
|
Sep last |
1.37 |
|
Sep. Now (ρ) |
1.37" |
|
| Mag pri |
7.95 |
|
Mag sec |
11.53 |
|
delta mag (ΔM) |
3.58 |
|
Spectral class |
B8V (blue-white) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+004 |
|
| Notes |
|
|
rPM=0.139 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 197118 |
|
Constellation |
Cygnus |
|
SAO |
49908 |
|
HIP |
101963 |
|
| Tycho2 |
3578-03120-1 |
|
Gaia DR2 |
2167442124810769152 |
|
HD |
197118 |
|
BD |
BD+46 3001 |
|
| Distance |
335.57 |
|
Distance ly |
1094.63 |
|
