15121+1859 COU 189 (FL Ser)
15h 12m 04.27s +18° 58' 33.7" P.A. 142.00 sep 0.5 mag 6.16,8.94 Sp M4III+K5 dist. 221.73 pc (723.28 l.y.)
Coord 2000 |
15121+1859 |
|
Discov num |
COU 189 |
|
Comp |
|
|
Coord arcsec 2000 |
15 12 04.27 +18 58 33.7 |
|
Date first |
1967 |
|
Date last |
2017 |
|
Obs |
82 |
|
Pa first |
141 |
|
Pa last |
141.5 |
|
P.A. Now (θ) |
141.5° |
|
Sep first |
0.4 |
|
Sep last |
0.481 |
|
Sep. Now (ρ) |
0.481" |
|
Mag pri |
6.16 |
|
Mag sec |
8.94 |
|
delta mag (ΔM) |
2.78 |
|
Spectral class |
M4III+K5 (red/yellow-orange) |
|
Pri motion ra |
-014 |
|
Sec motion ra |
-014 |
|
Pri motion dec |
+010 |
|
Sec motion dec |
+010 |
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Var name |
FL Ser |
|
Constellation |
Serpens |
|
SAO |
101429 |
|
HIP |
74386 |
|
Tycho2 |
1489-01253-1 |
|
Gaia DR2 |
1211957655452767744 |
|
HD |
134943 |
|
HR |
5654 |
|
GC |
20442 |
|
BD |
BD+19 2935 |
|
FK5 |
3199 |
|
Distance |
221.73 |
|
Distance ly |
723.28 |
|