20568+4254 ENG 77 CD
20h 56m 51.88s +42° 55' 45.5" P.A. 356.00 sep 92.9 mag 9.13,11.06 Sp A2
Coord 2000 |
20568+4254 |
|
Discov num |
ENG 77 |
|
Comp |
CD |
|
Coord arcsec 2000 |
20 56 51.88 +42 55 45.5 |
|
Date first |
1892 |
|
Date last |
2015 |
|
Obs |
14 |
|
Pa first |
356 |
|
Pa last |
356.3 |
|
P.A. Now (θ) |
356.3° |
|
Sep first |
92.6 |
|
Sep last |
92.876 |
|
Sep. Now (ρ) |
92.876" |
|
Mag pri |
9.13 |
|
Mag sec |
11.06 |
|
delta mag (ΔM) |
1.93 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
-006 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-013 |
|
Sec motion dec |
-008 |
|
Notes |
N
(See Notes) |
|
rPM=0.844
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 |
|
Tycho2 |
3175-00251-1 |
|
Gaia DR2 |
2162017374953231104 |
|