21323+5245 A 1698 BD
21h 32m 16.16s +52° 45' 03.9" P.A. 234.00 sep 8.6 mag 9.62,14.60
| Coord 2000 |
21323+5245 |
|
Discov num |
A 1698 |
|
Comp |
BD |
|
Coord arcsec 2000 |
21 32 16.16 +52 45 03.9 |
|
| Date first |
1907 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
240 |
|
Pa last |
234.1 |
|
P.A. Now (θ) |
234.1° |
|
| Sep first |
7.3 |
|
Sep last |
8.621 |
|
Sep. Now (ρ) |
8.621" |
|
| Mag pri |
9.62 |
|
Mag sec |
14.60 |
|
delta mag (ΔM) |
4.98 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-017 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21323+5245 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 205236 |
|
21 32 16 +52 45 02 |
BU 370 AB |
2017 |
30 |
325 |
3.4 |
8.76 |
9.62 |
0.86 |
|
|
| Show |
|
|
21 32 16 +52 45 04 |
A 1698 BC |
2015 |
4 |
0 |
4.0 |
9.62 |
14.60 |
4.98 |
|
|
| Show |
|
|
21 32 16 +52 45 04 |
A 1698 BD |
2015 |
5 |
234 |
8.6 |
9.62 |
14.60 |
4.98 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3966-01564-1 |
|
Gaia DR2 |
2172599555891128832 |
|
