20544+6957 A 1216 AB
20h 54m 22.42s +69° 56' 51.0" P.A. 327.00 sep 20.1 mag 7.97,15.00 Sp K0 dist. 258.4 pc (842.9 l.y.)
| Coord 2000 |
20544+6957 |
|
Discov num |
A 1216 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 54 22.42 +69 56 51.0 |
|
| Date first |
1904 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
340 |
|
Pa last |
327.2 |
|
P.A. Now (θ) |
327.2° |
|
| Sep first |
21.6 |
|
Sep last |
20.14 |
|
Sep. Now (ρ) |
20.14" |
|
| Mag pri |
7.97 |
|
Mag sec |
15.00 |
|
delta mag (ΔM) |
7.03 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
|
|
| Pri motion dec |
+011 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20544+6957 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
19093 |
20 54 22 +69 56 51 |
A 1216 AB |
2015 |
10 |
327 |
20.1 |
7.97 |
15.00 |
7.03 |
|
<=== |
| Show |
HD 199660 |
19093 |
20 54 22 +69 56 51 |
A 1216 AC |
2018 |
15 |
346 |
38.6 |
7.97 |
10.61 |
2.64 |
|
|
| Show |
|
|
20 54 21 +69 57 29 |
A 1216 CD |
2015 |
6 |
82 |
0.9 |
10.61 |
11.60 |
0.99 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
SAO |
19093 |
|
HIP |
103190 |
|
Tycho2 |
4464-00465-1 |
|
| Gaia DR2 |
2271215234825199232 |
|
HD |
199660 |
|
BD |
BD+69 1136 |
|
Distance |
258.4 |
|
| Distance ly |
842.9 |
|
