20577+5849 YSC 117 Da,Db
20h 57m 13.04s +58° 49' 00.2" P.A. 341.00 sep 0.1 mag 8.00,10.50 Sp A0 dist. 263.16 pc (858.43 l.y.)
| Coord 2000 |
20577+5849 |
|
Discov num |
YSC 117 |
|
Comp |
Da,Db |
|
Coord arcsec 2000 |
20 57 13.04 +58 49 00.2 |
|
| Date first |
2010 |
|
Date last |
2010 |
|
Obs |
1 |
|
| Pa first |
341 |
|
Pa last |
340.5 |
|
P.A. Now (θ) |
340.5° |
|
| Sep first |
0.1 |
|
Sep last |
0.093 |
|
Sep. Now (ρ) |
0.093" |
|
| Mag pri |
8.00 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
|
|
| Pri motion dec |
+003 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20577+5849 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 199937 |
33027 |
20 57 41 +58 49 19 |
A 756 AB |
2017 |
35 |
210 |
0.6 |
8.27 |
9.20 |
0.93 |
|
|
| Show |
|
33027 |
20 57 41 +58 49 19 |
A 756 AC |
2015 |
18 |
197 |
54.0 |
8.27 |
9.33 |
1.06 |
|
|
| Show |
|
33027 |
20 57 41 +58 49 19 |
ARN 34 AD |
2014 |
17 |
265 |
215.4 |
8.27 |
7.93 |
0.34 |
|
|
| Show |
|
33019 |
20 57 13 +58 49 00 |
YSC 117 Da,Db |
2010 |
1 |
341 |
0.1 |
8.00 |
10.50 |
2.50 |
|
<=== |
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
SAO |
33019 |
|
HIP |
103421 |
|
Tycho2 |
3964-00110-1 |
|
| Gaia DR2 |
2190773211793861632 |
|
HD |
199850 |
|
BD |
BD+58 2193 |
|
Distance |
263.16 |
|
| Distance ly |
858.43 |
|
