20431+1705 BLL 51 (S Del)
20h 43m 03.51s +17° 06' 10.1" P.A. 159.00 sep 56.3 mag 8.72,9.56 Sp M5 dist. 2127.66 pc (6940.43 l.y.)
| Coord 2000 |
20431+1705 |
|
Discov num |
BLL 51 |
|
Comp |
|
|
Coord arcsec 2000 |
20 43 03.51 +17 06 10.1 |
|
| Date first |
1879 |
|
Date last |
2014 |
|
Obs |
17 |
|
| Pa first |
162 |
|
Pa last |
159.3 |
|
P.A. Now (θ) |
159.3° |
|
| Sep first |
55.8 |
|
Sep last |
56.314 |
|
Sep. Now (ρ) |
56.314" |
|
| Mag pri |
8.72 |
|
Mag sec |
9.56 |
|
delta mag (ΔM) |
0.84 |
|
Spectral class |
M5 (red) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
+006 |
|
Sec motion dec |
+007 |
|
| Notes |
N
(See Notes) |
|
rPM=1.133
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
S Del |
|
Constellation |
Delphinus |
|
SAO |
106422 |
|
HIP |
102242 |
|
| Tycho2 |
1638-00403-1 |
|
Gaia DR2 |
1811437302161430656 |
|
HD |
197420 |
|
GC |
28867 |
|
| BD |
BD+16 4350 |
|
Distance |
2127.66 |
|
Distance ly |
6940.43 |
|
