20474-1837 HJ 2995 (HD 197930)
20h 47m 22.91s -18° 37' 16.3" P.A. 283.00 sep 29.0 mag 8.20,12.10 Sp F7/8V dist. 70.52 pc (230.04 l.y.)
| Coord 2000 |
20474-1837 |
|
Discov num |
HJ 2995 |
|
Comp |
|
|
Coord arcsec 2000 |
20 47 22.91 -18 37 16.3 |
|
| Date first |
1830 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
284 |
|
Pa last |
282.6 |
|
P.A. Now (θ) |
282.6° |
|
| Sep first |
20.0 |
|
Sep last |
28.981 |
|
Sep. Now (ρ) |
28.981" |
|
| Mag pri |
8.20 |
|
Mag sec |
12.10 |
|
delta mag (ΔM) |
3.9 |
|
Spectral class |
F7/8V (yellow-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-037 |
|
Sec motion dec |
-031 |
|
| Notes |
|
|
rPM=0.17 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 197930 |
|
Constellation |
Capricornus |
|
SAO |
163877 |
|
HIP |
102587 |
|
| Tycho2 |
6335-00114-1 |
|
Gaia DR2 |
6858523083302471168 |
|
HD |
197930 |
|
BD |
BD-19 5925 |
|
| Distance |
70.52 |
|
Distance ly |
230.04 |
|
