18186+4104 BRT 1915
18h 18m 33.73s +41° 04' 48.5" P.A. 12.00 sep 4.5 mag 10.00,10.90
| Coord 2000 |
18186+4104 |
|
Discov num |
BRT1915 |
|
Comp |
|
|
Coord arcsec 2000 |
18 18 33.73 +41 04 48.5 |
|
| Date first |
1894 |
|
Date last |
2020 |
|
Obs |
17 |
|
| Pa first |
10 |
|
Pa last |
11.8 |
|
P.A. Now (θ) |
11.8° |
|
| Sep first |
4.4 |
|
Sep last |
4.493 |
|
Sep. Now (ρ) |
4.493" |
|
| Mag pri |
10.00 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
+011 |
|
| Notes |
|
|
rPM=0.593
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Gaia DR2 |
2112801585224220032 |
|
