18258+4321 BRT 1917
18h 25m 48.33s +43° 20' 43.6" P.A. 53.00 sep 3.6 mag 11.87,11.68
Coord 2000 |
18258+4321 |
|
Discov num |
BRT1917 |
|
Comp |
|
|
Coord arcsec 2000 |
18 25 48.33 +43 20 43.6 |
|
Date first |
1894 |
|
Date last |
2019 |
|
Obs |
10 |
|
Pa first |
57 |
|
Pa last |
53.3 |
|
P.A. Now (θ) |
53.3° |
|
Sep first |
3.3 |
|
Sep last |
3.55 |
|
Sep. Now (ρ) |
3.55" |
|
Mag pri |
11.87 |
|
Mag sec |
11.68 |
|
delta mag (ΔM) |
0.19 |
|
Spectral class |
|
|
Pri motion ra |
+006 |
|
Sec motion ra |
+007 |
|
Pri motion dec |
-009 |
|
Sec motion dec |
-007 |
|
Notes |
|
|
rPM=0.207 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Tycho2 |
3116-00008-1 |
|
Gaia DR2 |
2111986984546878080 |
|