17422+2031 BRT 2437
17h 42m 12.51s +20° 31' 33.5" P.A. 58.00 sep 4.1 mag 10.80,11.00
| Coord 2000 |
17422+2031 |
|
Discov num |
BRT2437 |
|
Comp |
|
|
Coord arcsec 2000 |
17 42 12.51 +20 31 33.5 |
|
| Date first |
1894 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
59 |
|
Pa last |
57.5 |
|
P.A. Now (θ) |
57.5° |
|
| Sep first |
3.8 |
|
Sep last |
4.062 |
|
Sep. Now (ρ) |
4.062" |
|
| Mag pri |
10.80 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
+021 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+021 |
|
| Notes |
|
|
rPM=1.005
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4552566863049176832 |
|
