20563+4447 ES 675 AB
20h 56m 18.01s +44° 46' 47.7" P.A. 272.00 sep 97.4 mag 9.64,11.70 Sp B9.5V
Coord 2000 |
20563+4447 |
|
Discov num |
ES 675 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 56 18.01 +44 46 47.7 |
|
Date first |
1892 |
|
Date last |
2016 |
|
Obs |
10 |
|
Pa first |
272 |
|
Pa last |
271.7 |
|
P.A. Now (θ) |
271.7° |
|
Sep first |
98.5 |
|
Sep last |
97.44 |
|
Sep. Now (ρ) |
97.44" |
|
Mag pri |
9.64 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
2.06 |
|
Spectral class |
B9.5V (blue-white) |
|
Pri motion ra |
-006 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
-011 |
|
Sec motion dec |
+001 |
|
Notes |
|
|
rPM=0.958
This double is not physical.
20563+4447 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 56 18 +44 46 48 |
ES 675 AB |
2016 |
10 |
272 |
97.4 |
9.64 |
11.70 |
2.06 |
|
<=== |
Show |
|
|
20 56 09 +44 46 51 |
ES 675 BC |
2016 |
8 |
108 |
3.7 |
10.60 |
12.00 |
1.40 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3179-01068-1 |
|
Gaia DR2 |
2163020748046735872 |
|
ADS |
14455 |
|