18408+2518 SLE 500
18h 40m 47.88s +25° 18' 08.9" P.A. 179.00 sep 18.1 mag 11.54,12.62
Coord 2000 |
18408+2518 |
|
Discov num |
SLE 500 |
|
Comp |
|
|
Coord arcsec 2000 |
18 40 47.88 +25 18 08.9 |
|
Date first |
1897 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
176 |
|
Pa last |
178.7 |
|
P.A. Now (θ) |
178.7° |
|
Sep first |
19.4 |
|
Sep last |
18.135 |
|
Sep. Now (ρ) |
18.135" |
|
Mag pri |
11.54 |
|
Mag sec |
12.62 |
|
delta mag (ΔM) |
1.08 |
|
Spectral class |
|
|
Pri motion ra |
+012 |
|
Sec motion ra |
+007 |
|
Pri motion dec |
-014 |
|
Sec motion dec |
-004 |
|
Notes |
|
|
rPM=0.606
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
2111-00940-1 |
|
Gaia DR2 |
4536171598494423552 |
|
HD |
336741 |
|