20577+5849 A 756 AC
20h 57m 40.68s +58° 49' 19.4" P.A. 197.00 sep 54.0 mag 8.27,9.33 Sp A0
| Coord 2000 |
20577+5849 |
|
Discov num |
A 756 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 57 40.68 +58 49 19.4 |
|
| Date first |
1897 |
|
Date last |
2015 |
|
Obs |
18 |
|
| Pa first |
198 |
|
Pa last |
196.5 |
|
P.A. Now (θ) |
196.5° |
|
| Sep first |
54.2 |
|
Sep last |
54.034 |
|
Sep. Now (ρ) |
54.034" |
|
| Mag pri |
8.27 |
|
Mag sec |
9.33 |
|
delta mag (ΔM) |
1.06 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+004 |
|
| Notes |
N
(See Notes) |
|
rPM=0.139 (< 0.3, Physical double)
This double is physical.
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 |
33027 |
|
Tycho2 |
3964-00888-1 |
|
Gaia DR2 |
2190762835152880000 |
|
| HD |
239535 |
|
DM |
BD+58 2194 |
|
