17522-2051 BHA 20
17h 52m 12.87s -20° 50' 49.0" P.A. 241.00 sep 4.0 mag 12.20,12.80
| Coord 2000 |
17522-2051 |
|
Discov num |
BHA 20 |
|
Comp |
|
|
Coord arcsec 2000 |
17 52 12.87 -20 50 49.0 |
|
| Date first |
1919 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
228 |
|
Pa last |
240.5 |
|
P.A. Now (θ) |
240.5° |
|
| Sep first |
3.7 |
|
Sep last |
3.952 |
|
Sep. Now (ρ) |
3.952" |
|
| Mag pri |
12.20 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
+042 |
|
Sec motion ra |
-030 |
|
| Pri motion dec |
+022 |
|
Sec motion dec |
-032 |
|
| Notes |
|
|
rPM=1.898
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Gaia DR2 |
4118735854316982912 |
|
