20577+5849 A 756 AB (HD 199937)
20h 57m 40.68s +58° 49' 19.4" P.A. 210.00 sep 0.6 mag 8.27,9.20 Sp A0 dist. 423.73 pc (1382.21 l.y.)
| Coord 2000 |
20577+5849 |
|
Discov num |
A 756 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 57 40.68 +58 49 19.4 |
|
| Date first |
1904 |
|
Date last |
2017 |
|
Obs |
35 |
|
| Pa first |
221 |
|
Pa last |
209.7 |
|
P.A. Now (θ) |
209.7° |
|
| Sep first |
0.4 |
|
Sep last |
0.58 |
|
Sep. Now (ρ) |
0.58" |
|
| Mag pri |
8.27 |
|
Mag sec |
9.20 |
|
delta mag (ΔM) |
0.93 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
| 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
| Name |
HD 199937 |
|
Constellation |
Cepheus |
|
SAO |
33027 |
|
HIP |
103461 |
|
| Tycho2 |
3964-00888-1 |
|
Gaia DR2 |
2190762835152880000 |
|
HD |
199937 |
|
BD |
BD+58 2195 |
|
| Distance |
423.73 |
|
Distance ly |
1382.21 |
|
