21124+3810 GUR 9 AD
21h 12m 20.79s +38° 10' 02.6" P.A. 64.00 sep 9.8 mag 9.92,14.90
| Coord 2000 |
21124+3810 |
|
Discov num |
GUR 9 |
|
Comp |
AD |
|
Coord arcsec 2000 |
21 12 20.79 +38 10 02.6 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
64 |
|
Pa last |
64.3 |
|
P.A. Now (θ) |
64.3° |
|
| Sep first |
10.4 |
|
Sep last |
9.794 |
|
Sep. Now (ρ) |
9.794" |
|
| Mag pri |
9.92 |
|
Mag sec |
14.90 |
|
delta mag (ΔM) |
4.98 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21124+3810 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 12 21 +38 10 03 |
COU 1971 AB |
2014 |
4 |
283 |
0.6 |
10.00 |
13.00 |
3.00 |
|
|
| Show |
|
|
21 12 21 +38 10 03 |
GUR 9 AC |
2015 |
7 |
112 |
16.9 |
9.92 |
13.20 |
3.28 |
|
|
| Show |
|
|
21 12 21 +38 10 03 |
GUR 9 AD |
2015 |
7 |
64 |
9.8 |
9.92 |
14.90 |
4.98 |
|
<=== |
| Show |
|
|
21 12 21 +38 10 03 |
GUR 9 AE |
2015 |
7 |
75 |
18.4 |
9.92 |
15.40 |
5.48 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3169-01502-1 |
|
Gaia DR2 |
1868920938302347648 |
|