18468+3055 BRT 261
18h 46m 48.48s +30° 53' 55.4" P.A. 18.00 sep 4.7 mag 10.30,11.20
Coord 2000 |
18468+3055 |
|
Discov num |
BRT 261 |
|
Comp |
|
|
Coord arcsec 2000 |
18 46 48.48 +30 53 55.4 |
|
Date first |
1900 |
|
Date last |
2016 |
|
Obs |
9 |
|
Pa first |
18 |
|
Pa last |
17.5 |
|
P.A. Now (θ) |
17.5° |
|
Sep first |
1.9 |
|
Sep last |
4.745 |
|
Sep. Now (ρ) |
4.745" |
|
Mag pri |
10.30 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
|
|
Pri motion ra |
-007 |
|
Sec motion ra |
|
|
Pri motion dec |
-022 |
|
Sec motion dec |
|
|
Notes |
S
(Parallax indidates non-physical) |
|
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Tycho2 |
2638-02271-1 |
|
Gaia DR2 |
2089735789783892736 |
|