15554+3854 SLW 1147
15h 55m 25.41s +38° 54' 15.5" P.A. 37.00 sep 12.3 mag 16.77,17.45 Sp M1.5+M2.1
| Coord 2000 |
15554+3854 |
|
Discov num |
SLW1147 |
|
Comp |
|
|
Coord arcsec 2000 |
15 55 25.41 +38 54 15.5 |
|
| Date first |
1998 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
36 |
|
Pa last |
36.7 |
|
P.A. Now (θ) |
36.7° |
|
| Sep first |
12.3 |
|
Sep last |
12.254 |
|
Sep. Now (ρ) |
12.254" |
|
| Mag pri |
16.77 |
|
Mag sec |
17.45 |
|
delta mag (ΔM) |
0.68 |
|
Spectral class |
M1.5+M2.1 (red/red) |
|
| Pri motion ra |
-028 |
|
Sec motion ra |
-027 |
|
| Pri motion dec |
+038 |
|
Sec motion dec |
+041 |
|
| Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.064 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corona Borealis |
|
Gaia DR2 |
1376618146006460672 |
|
