18384+6043 HJ 2836 AC
18h 38m 24.32s +60° 42' 39.3" P.A. 252.00 sep 56.4 mag 6.68,13.50 Sp F2 dist. 107.76 pc (351.51 l.y.)
| Coord 2000 |
18384+6043 |
|
Discov num |
HJ 2836 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 38 24.32 +60 42 39.3 |
|
| Date first |
1905 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
259 |
|
Pa last |
251.7 |
|
P.A. Now (θ) |
251.7° |
|
| Sep first |
54.7 |
|
Sep last |
56.402 |
|
Sep. Now (ρ) |
56.402" |
|
| Mag pri |
6.68 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
6.82 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
+052 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18384+6043 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
17961 |
18 38 24 +60 42 39 |
HJ 2836 AB |
2015 |
10 |
316 |
32.3 |
6.68 |
12.90 |
6.22 |
|
|
| Show |
|
17961 |
18 38 24 +60 42 39 |
HJ 2836 AC |
2015 |
7 |
252 |
56.4 |
6.68 |
13.50 |
6.82 |
|
<=== |
| Show |
HD 172825 |
17961 |
18 38 24 +60 42 39 |
SLE 235 AD |
2015 |
6 |
313 |
154.7 |
6.68 |
11.55 |
4.87 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
SAO |
17961 |
|
HIP |
91397 |
|
Tycho2 |
4215-01006-1 |
|
| Gaia DR2 |
2156503702094828288 |
|
HD |
172825 |
|
BD |
BD+60 1840 |
|
Distance |
107.76 |
|
| Distance ly |
351.51 |
|
