20389+4741 A 746 (HD 196989)
20h 38m 56.75s +47° 41' 12.4" P.A. 150.00 sep 2.0 mag 7.85,11.65 Sp A4IV dist. 166.11 pc (541.85 l.y.)
| Coord 2000 |
20389+4741 |
|
Discov num |
A 746 |
|
Comp |
|
|
Coord arcsec 2000 |
20 38 56.75 +47 41 12.4 |
|
| Date first |
1904 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
143 |
|
Pa last |
150.2 |
|
P.A. Now (θ) |
150.2° |
|
| Sep first |
2.1 |
|
Sep last |
2.01 |
|
Sep. Now (ρ) |
2.01" |
|
| Mag pri |
7.85 |
|
Mag sec |
11.65 |
|
delta mag (ΔM) |
3.8 |
|
Spectral class |
A4IV (white) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
+013 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-014 |
|
| Notes |
|
|
rPM=0.157 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 196989 |
|
Constellation |
Cygnus |
|
SAO |
49895 |
|
HIP |
101896 |
|
| Tycho2 |
3578-02339-1 |
|
Gaia DR2 |
2167649893846978560 |
|
HD |
196989 |
|
ADS |
14119 |
|
| BD |
BD+47 3157 |
|
Distance |
166.11 |
|
Distance ly |
541.85 |
|
