21492+5031 CTT 10 AD
21h 49m 14.48s +50° 30' 54.2" P.A. 104.00 sep 125.2 mag 7.77,11.37 Sp B9IV
Coord 2000 |
21492+5031 |
|
Discov num |
CTT 10 |
|
Comp |
AD |
|
Coord arcsec 2000 |
21 49 14.48 +50 30 54.2 |
|
Date first |
1902 |
|
Date last |
2018 |
|
Obs |
10 |
|
Pa first |
97 |
|
Pa last |
103.6 |
|
P.A. Now (θ) |
103.6° |
|
Sep first |
131.8 |
|
Sep last |
125.168 |
|
Sep. Now (ρ) |
125.168" |
|
Mag pri |
7.77 |
|
Mag sec |
11.37 |
|
delta mag (ΔM) |
3.6 |
|
Spectral class |
B9IV (blue-white) |
|
Pri motion ra |
+005 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
+000 |
|
Sec motion dec |
-007 |
|
Notes |
|
|
rPM=1.304
This double is not physical.
21492+5031 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 207661 |
33781 |
21 49 14 +50 30 54 |
STF 2832 AB |
2019 |
37 |
213 |
13.2 |
7.77 |
8.32 |
0.55 |
|
|
Show |
|
|
21 49 14 +50 30 54 |
STF 2832 AC |
2018 |
15 |
321 |
45.8 |
7.77 |
11.00 |
3.23 |
|
|
Show |
|
|
21 49 14 +50 30 54 |
CTT 10 AD |
2018 |
10 |
104 |
125.2 |
7.77 |
11.37 |
3.60 |
|
<=== |
Show |
|
33781 |
21 49 14 +50 30 43 |
STF 2832 BC |
2018 |
15 |
335 |
51.5 |
8.32 |
11.00 |
2.68 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3612-03061-1 |
|
Gaia DR2 |
1980519616178408320 |
|