20520+4346 SKF 2740 BC
20h 51m 59.38s +43° 45' 24.2" P.A. 192.00 sep 73.4 mag 8.94,11.90 Sp A3m dist. 363.64 pc (1186.19 l.y.)
Coord 2000 |
20520+4346 |
|
Discov num |
SKF2740 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 51 59.38 +43 45 24.2 |
|
Date first |
1892 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
192 |
|
Pa last |
192.1 |
|
P.A. Now (θ) |
192.1° |
|
Sep first |
73.3 |
|
Sep last |
73.429 |
|
Sep. Now (ρ) |
73.429" |
|
Mag pri |
8.94 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
2.96 |
|
Spectral class |
A3m (white) |
|
Pri motion ra |
+029 |
|
Sec motion ra |
+029 |
|
Pri motion dec |
+005 |
|
Sec motion dec |
+005 |
|
Notes |
V
(Proper motion indicates physical) |
|
This double is physical.
20520+4346 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 198896 |
|
20 51 59 +43 45 29 |
STT 416 AB |
2016 |
109 |
117 |
9.6 |
8.64 |
8.94 |
0.30 |
|
|
Show |
|
|
20 51 59 +43 45 24 |
SKF 2740 BC |
2015 |
9 |
192 |
73.4 |
8.94 |
11.90 |
2.96 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
HIP |
102990 |
|
Tycho2 |
3179-01479-1 |
|
Gaia DR2 |
2066846221134067840 |
|
HD |
198896 |
|
BD |
BD+43 3746 |
|
Distance |
363.64 |
|
Distance ly |
1186.19 |
|