20568+4254 ENG 77 AC
20h 56m 48.02s +42° 53' 44.3" P.A. 17.00 sep 125.8 mag 7.31,9.13 Sp K0III-IV dist. 87.26 pc (284.64 l.y.)
| Coord 2000 |
20568+4254 |
|
Discov num |
ENG 77 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 56 48.02 +42 53 44.3 |
|
| Date first |
1892 |
|
Date last |
2012 |
|
Obs |
18 |
|
| Pa first |
25 |
|
Pa last |
17 |
|
P.A. Now (θ) |
17° |
|
| Sep first |
160.8 |
|
Sep last |
125.8 |
|
Sep. Now (ρ) |
125.8" |
|
| Mag pri |
7.31 |
|
Mag sec |
9.13 |
|
delta mag (ΔM) |
1.82 |
|
Spectral class |
K0III-IV (yellow-orange) |
|
| Pri motion ra |
+219 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
+224 |
|
Sec motion dec |
-013 |
|
| Notes |
N
L
U
(See Notes, Linear solution, Proper motion indicates non-physical) |
|
rPM=1.043
This double is not physical.
20568+4254 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 199580 |
50265 |
20 56 48 +42 53 44 |
ENG 77 AB |
2002 |
11 |
328 |
100.0 |
7.31 |
10.16 |
2.85 |
|
|
| Show |
|
50265 |
20 56 48 +42 53 44 |
ENG 77 AC |
2012 |
18 |
17 |
125.8 |
7.31 |
9.13 |
1.82 |
|
<=== |
| Show |
|
|
20 56 43 +42 55 10 |
ENG 77 BC |
2014 |
16 |
69 |
102.7 |
10.16 |
9.13 |
1.03 |
|
|
| Show |
|
|
20 56 52 +42 55 46 |
ENG 77 CD |
2015 |
14 |
356 |
92.9 |
9.13 |
11.06 |
1.93 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
50265 |
|
HIP |
103392 |
|
Tycho2 |
3175-00075-1 |
|
| Gaia DR2 |
2162015863124935168 |
|
HD |
199580 |
|
BD |
BD+42 3915 |
|
Distance |
87.26 |
|
| Distance ly |
284.64 |
|
