12117+5050 STF 1609 AB (HD 105980)
12h 11m 41.76s +50° 50' 15.8" P.A. 204.00 sep 11.2 mag 7.98,9.55 Sp F2 dist. 184.84 pc (602.95 l.y.)
Coord 2000 |
12117+5050 |
|
Discov num |
STF1609 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 11 41.76 +50 50 15.8 |
|
Date first |
1831 |
|
Date last |
2017 |
|
Obs |
29 |
|
Pa first |
208 |
|
Pa last |
204.1 |
|
P.A. Now (θ) |
204.1° |
|
Sep first |
10.0 |
|
Sep last |
11.22 |
|
Sep. Now (ρ) |
11.22" |
|
Mag pri |
7.98 |
|
Mag sec |
9.55 |
|
delta mag (ΔM) |
1.57 |
|
Spectral class |
F2 (yellow-white) |
|
Pri motion ra |
-016 |
|
Sec motion ra |
-017 |
|
Pri motion dec |
+019 |
|
Sec motion dec |
+021 |
|
Notes |
|
|
rPM=0.083 (< 0.3, Physical double)
This double is physical.
12117+5050 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 105980 |
28290 |
12 11 42 +50 50 16 |
STF 1609 AB |
2017 |
29 |
204 |
11.2 |
7.98 |
9.55 |
1.57 |
|
<=== |
Show |
|
28290 |
12 11 42 +50 50 16 |
STF 1609 AC |
2015 |
9 |
146 |
68.6 |
7.98 |
13.78 |
5.80 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 105980 |
|
Constellation |
Canes Venatici |
|
SAO |
28290 |
|
HIP |
59454 |
|
Tycho2 |
3457-00127-1 |
|
Gaia DR2 |
1548273317220940288 |
|
HD |
105980 |
|
GC |
16656 |
|
ADS |
8454 |
|
BD |
BD+51 1734 |
|
Distance |
184.84 |
|
Distance ly |
602.95 |
|