12006+1820 HDS 1688 AB (HD 104290)
12h 00m 38.02s +18° 20' 05.0" P.A. 6.00 sep 0.5 mag 8.06,11.98 Sp K0 dist. 204.08 pc (665.71 l.y.)
Coord 2000 |
12006+1820 |
|
Discov num |
HDS1688 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 00 38.02 +18 20 05.0 |
|
Date first |
1991 |
|
Date last |
2021 |
|
Obs |
7 |
|
Pa first |
17 |
|
Pa last |
6.2 |
|
P.A. Now (θ) |
6.2° |
|
Sep first |
0.4 |
|
Sep last |
0.476 |
|
Sep. Now (ρ) |
0.476" |
|
Mag pri |
8.06 |
|
Mag sec |
11.98 |
|
delta mag (ΔM) |
3.92 |
|
Spectral class |
K0 (yellow-orange) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
|
|
Pri motion dec |
-005 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
12006+1820 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
99904 |
12 00 38 +18 20 05 |
GII 182 Aa,Ab |
2014 |
2 |
99 |
0.1 |
8.80 |
8.80 |
0.00 |
|
|
Show |
HD 104290 |
99904 |
12 00 38 +18 20 05 |
HDS 1688 AB |
2021 |
7 |
6 |
0.5 |
8.06 |
11.98 |
3.92 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 104290 |
|
Constellation |
Coma Berenices |
|
SAO |
99904 |
|
HIP |
58568 |
|
Tycho2 |
1442-00678-1 |
|
HD |
104290 |
|
BD |
BD+19 2521 |
|
Distance |
204.08 |
|
Distance ly |
665.71 |
|