15470+3010 BRT 254
15h 47m 01.20s +30° 10' 12.5" P.A. 131.00 sep 5.3 mag 12.74,13.10
Coord 2000 |
15470+3010 |
|
Discov num |
BRT 254 |
|
Comp |
|
|
Coord arcsec 2000 |
15 47 01.20 +30 10 12.5 |
|
Date first |
1983 |
|
Date last |
2015 |
|
Obs |
11 |
|
Pa first |
128 |
|
Pa last |
131 |
|
P.A. Now (θ) |
131° |
|
Sep first |
4.0 |
|
Sep last |
5.299 |
|
Sep. Now (ρ) |
5.299" |
|
Mag pri |
12.74 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
0.36 |
|
Spectral class |
|
|
Pri motion ra |
-016 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
+011 |
|
Sec motion dec |
-027 |
|
Notes |
B
(Blue magnitudes) |
|
rPM=1.512
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Corona Borealis |
|
Gaia DR2 |
1321061713241325184 |
|