18564+4530 JKA 16 BD
18h 56m 21.26s +45° 30' 53.1" P.A. 342.00 sep 550.0 mag 9.30,11.80 dist. 105.71 pc (344.83 l.y.)
Coord 2000 |
18564+4530 |
|
Discov num |
JKA 16 |
|
Comp |
BD |
|
Coord arcsec 2000 |
18 56 21.26 +45 30 53.1 |
|
Date first |
1894 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
343 |
|
Pa last |
341.8 |
|
P.A. Now (θ) |
341.8° |
|
Sep first |
549.6 |
|
Sep last |
550.036 |
|
Sep. Now (ρ) |
550.036" |
|
Mag pri |
9.30 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
|
|
Pri motion ra |
+023 |
|
Sec motion ra |
+029 |
|
Pri motion dec |
+060 |
|
Sec motion dec |
+065 |
|
Notes |
V
W
(Proper motion indicates physical, ) |
|
rPM=0.11 (< 0.3, Physical double)
This double is physical.
18564+4530 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 176071 |
47938 |
18 56 22 +45 30 25 |
HJ 1356 AB |
2015 |
23 |
342 |
29.3 |
8.39 |
9.35 |
0.96 |
|
|
Show |
|
47938 |
18 56 22 +45 30 25 |
RAO 92 AC |
2016 |
3 |
292 |
3.6 |
8.20 |
15.00 |
6.80 |
|
|
Show |
|
|
18 56 21 +45 30 53 |
JKA 16 BD |
2015 |
10 |
342 |
550.0 |
9.30 |
11.80 |
2.50 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
HIP |
92961 |
|
Tycho2 |
3541-02136-1 |
|
Gaia DR2 |
2106822131756841600 |
|
BD |
BD+45 2796 |
|
Distance |
105.71 |
|
Distance ly |
344.83 |
|