18029+5626 STF 2278 AC
18h 02m 52.88s +56° 25' 40.3" P.A. 38.00 sep 33.6 mag 7.78,8.53 Sp A9V dist. 137.74 pc (449.31 l.y.)
| Coord 2000 |
18029+5626 |
|
Discov num |
STF2278 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 02 52.88 +56 25 40.3 |
|
| Date first |
1828 |
|
Date last |
2017 |
|
Obs |
45 |
|
| Pa first |
22 |
|
Pa last |
37.9 |
|
P.A. Now (θ) |
37.9° |
|
| Sep first |
38.6 |
|
Sep last |
33.592 |
|
Sep. Now (ρ) |
33.592" |
|
| Mag pri |
7.78 |
|
Mag sec |
8.53 |
|
delta mag (ΔM) |
0.75 |
|
Spectral class |
A9V (white) |
|
| Pri motion ra |
-021 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
+039 |
|
Sec motion dec |
+012 |
|
| Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=0.786
This double is not physical.
18029+5626 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 165502 |
30715 |
18 02 53 +56 25 40 |
STF 2278 AB |
2022 |
94 |
31 |
35.1 |
7.78 |
8.14 |
0.36 |
|
|
| Show |
|
30715 |
18 02 53 +56 25 40 |
STF 2278 AC |
2017 |
45 |
38 |
33.6 |
7.78 |
8.53 |
0.75 |
|
<=== |
| Show |
|
30715 |
18 02 53 +56 25 40 |
STF 2278 AD |
2022 |
19 |
189 |
197.9 |
7.78 |
10.19 |
2.41 |
|
|
| Show |
|
30715 |
18 02 53 +56 25 40 |
SLE 128 AE |
2022 |
9 |
279 |
46.4 |
7.78 |
13.18 |
5.40 |
|
|
| Show |
|
30715 |
18 02 53 +56 25 40 |
SLE 128 AF |
2022 |
10 |
278 |
85.2 |
7.78 |
12.72 |
4.94 |
|
|
| Show |
|
30715 |
18 02 53 +56 25 40 |
SLE 128 AG |
2022 |
11 |
250 |
127.2 |
7.78 |
11.96 |
4.18 |
|
|
| Show |
|
30716 |
18 02 55 +56 26 12 |
STF 2278 BC |
2018 |
87 |
146 |
6.0 |
8.14 |
8.53 |
0.39 |
|
|
| Show |
|
|
18 02 49 +56 22 24 |
STF 2278 DS |
2022 |
13 |
213 |
6.7 |
10.19 |
14.60 |
4.41 |
|
|
Octuple system
8 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
SAO |
30715 |
|
HIP |
88381 |
|
Tycho2 |
3911-01862-1 |
|
| Gaia DR2 |
2150403439784289408 |
|
HD |
165502 |
|
BD |
BD+56 2061 |
|
Distance |
137.74 |
|
| Distance ly |
449.31 |
|
