17544+3135 SEI 550
17h 54m 17.88s +31° 35' 15.7" P.A. 20.00 sep 5.7 mag 9.30,11.00
| Coord 2000 |
17544+3135 |
|
Discov num |
SEI 550 |
|
Comp |
|
|
Coord arcsec 2000 |
17 54 17.88 +31 35 15.7 |
|
| Date first |
1899 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
40 |
|
Pa last |
19.5 |
|
P.A. Now (θ) |
19.5° |
|
| Sep first |
7.7 |
|
Sep last |
5.733 |
|
Sep. Now (ρ) |
5.733" |
|
| Mag pri |
9.30 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
-033 |
|
Sec motion dec |
+009 |
|
| Notes |
|
|
rPM=1.259
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4603811389167319168 |
|
