15589+2147 STF 1990 BC
15h 58m 56.87s +21° 47' 54.8" P.A. 26.00 sep 4.0 mag 9.25,9.29 Sp A2 dist. 162.34 pc (529.55 l.y.)
Coord 2000 |
15589+2147 |
|
Discov num |
STF1990 |
|
Comp |
BC |
|
Coord arcsec 2000 |
15 58 56.87 +21 47 54.8 |
|
Date first |
1824 |
|
Date last |
2019 |
|
Obs |
50 |
|
Pa first |
28 |
|
Pa last |
25.9 |
|
P.A. Now (θ) |
25.9° |
|
Sep first |
5.1 |
|
Sep last |
3.971 |
|
Sep. Now (ρ) |
3.971" |
|
Mag pri |
9.25 |
|
Mag sec |
9.29 |
|
delta mag (ΔM) |
0.04 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
-017 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-013 |
|
Sec motion dec |
+030 |
|
Notes |
N
(See Notes) |
|
rPM=1.573
This double is not physical.
15589+2147 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 143314 |
84115 |
15 58 53 +21 47 28 |
STF 1990 AB |
2017 |
36 |
61 |
56.6 |
8.63 |
9.25 |
0.62 |
|
|
Show |
|
84115 |
15 58 53 +21 47 28 |
STF 1990 AC |
2017 |
29 |
60 |
58.5 |
8.63 |
9.29 |
0.66 |
|
|
Show |
|
84115 |
15 58 53 +21 47 28 |
WAL 69 AD |
2013 |
4 |
262 |
15.0 |
8.63 |
12.43 |
3.80 |
|
|
Show |
|
84119 |
15 58 57 +21 47 55 |
STF 1990 BC |
2019 |
50 |
26 |
4.0 |
9.25 |
9.29 |
0.04 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Serpens |
|
SAO |
84119 |
|
HIP |
78272 |
|
Tycho2 |
1502-01785-1 |
|
Gaia DR2 |
1206148209672477056 |
|
HD |
143315 |
|
GC |
21477 |
|
BD |
BD+22 2906 |
|
Distance |
162.34 |
|
Distance ly |
529.55 |
|