17510+1213 STF 2231 AB
17h 51m 01.06s +12° 12' 48.2" P.A. 153.00 sep 32.3 mag 9.02,11.59 Sp K0 dist. 980.39 pc (3198.03 l.y.)
Coord 2000 |
17510+1213 |
|
Discov num |
STF2231 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 51 01.06 +12 12 48.2 |
|
Date first |
1902 |
|
Date last |
2015 |
|
Obs |
13 |
|
Pa first |
152 |
|
Pa last |
152.6 |
|
P.A. Now (θ) |
152.6° |
|
Sep first |
32.7 |
|
Sep last |
32.324 |
|
Sep. Now (ρ) |
32.324" |
|
Mag pri |
9.02 |
|
Mag sec |
11.59 |
|
delta mag (ΔM) |
2.57 |
|
Spectral class |
K0 (yellow-orange) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
+005 |
|
Sec motion dec |
+006 |
|
Notes |
|
|
rPM=0.236 (< 0.3, Physical double)
This double is physical.
17510+1213 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
17 51 01 +12 12 48 |
STF 2231 AB |
2015 |
13 |
153 |
32.3 |
9.02 |
11.59 |
2.57 |
|
<=== |
Show |
|
|
17 51 01 +12 12 48 |
STF 2231 AC |
2003 |
12 |
148 |
302.2 |
9.02 |
10.02 |
1.00 |
|
|
Show |
|
|
17 51 12 +12 08 36 |
STF 2231 CD |
2015 |
13 |
329 |
18.3 |
10.02 |
11.68 |
1.66 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
HIP |
87358 |
|
Tycho2 |
1002-02034-1 |
|
Gaia DR2 |
4496123124399513984 |
|
BD |
BD+12 3308 |
|
Distance |
980.39 |
|
Distance ly |
3198.03 |
|