18564+4530 HJ 1356 AB (HD 176071)
18h 56m 22.13s +45° 30' 25.4" P.A. 342.00 sep 29.3 mag 8.39,9.35 Sp F8 dist. 105.37 pc (343.72 l.y.)
| Coord 2000 |
18564+4530 |
|
Discov num |
HJ 1356 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 56 22.13 +45 30 25.4 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
23 |
|
| Pa first |
345 |
|
Pa last |
341.9 |
|
P.A. Now (θ) |
341.9° |
|
| Sep first |
30.0 |
|
Sep last |
29.333 |
|
Sep. Now (ρ) |
29.333" |
|
| Mag pri |
8.39 |
|
Mag sec |
9.35 |
|
delta mag (ΔM) |
0.96 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+025 |
|
Sec motion ra |
+023 |
|
| Pri motion dec |
+058 |
|
Sec motion dec |
+059 |
|
| Notes |
N
T
W
(See Notes, Parallax indicates physical, ) |
|
rPM=0.035 (< 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
| Name |
HD 176071 |
|
Constellation |
Lyra |
|
SAO |
47938 |
|
HIP |
92962 |
|
| Tycho2 |
3541-01970-1 |
|
Gaia DR2 |
2106822131756839808 |
|
HD |
176071 |
|
BD |
BD+45 2797 |
|
| Distance |
105.37 |
|
Distance ly |
343.72 |
|
