12544+2552 SDK 161 AC
12h 54m 20.21s +25° 51' 40.8" P.A. 88.00 sep 7.6 mag 10.80,12.84 Sp M
Coord 2000 |
12544+2552 |
|
Discov num |
SDK 161 |
|
Comp |
AC |
|
Coord arcsec 2000 |
12 54 20.21 +25 51 40.8 |
|
Date first |
1999 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
88 |
|
Pa last |
88.2 |
|
P.A. Now (θ) |
88.2° |
|
Sep first |
7.6 |
|
Sep last |
7.628 |
|
Sep. Now (ρ) |
7.628" |
|
Mag pri |
10.80 |
|
Mag sec |
12.84 |
|
delta mag (ΔM) |
2.04 |
|
Spectral class |
M (red) |
|
Pri motion ra |
-098 |
|
Sec motion ra |
-107 |
|
Pri motion dec |
+080 |
|
Sec motion dec |
+075 |
|
Notes |
T
K
(Parallax indicates physical, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
rPM=0.079 (< 0.3, Physical double)
This double is physical.
12544+2552 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
12 54 20 +25 51 41 |
SDK 161 AB |
2015 |
7 |
113 |
15.2 |
15.30 |
14.30 |
1.00 |
|
|
Show |
|
|
12 54 20 +25 51 41 |
SDK 161 AC |
2015 |
8 |
88 |
7.6 |
10.80 |
12.84 |
2.04 |
|
<=== |
Show |
|
|
12 54 21 +25 51 36 |
SDK 161 BC |
2015 |
5 |
314 |
8.9 |
12.85 |
12.84 |
0.01 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Coma Berenices |
|
Gaia DR2 |
3958436134250193664 |
|