21321+3412 HO 603 BC
21h 31m 58.47s +34° 11' 39.8" P.A. 276.00 sep 3.6 mag 9.82,11.30 Sp G0
| Coord 2000 |
21321+3412 |
|
Discov num |
HO 603 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 31 58.47 +34 11 39.8 |
|
| Date first |
1896 |
|
Date last |
2016 |
|
Obs |
15 |
|
| Pa first |
271 |
|
Pa last |
275.9 |
|
P.A. Now (θ) |
275.9° |
|
| Sep first |
3.3 |
|
Sep last |
3.624 |
|
Sep. Now (ρ) |
3.624" |
|
| Mag pri |
9.82 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
1.48 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+026 |
|
Sec motion ra |
-015 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
rPM=1.556
This double is not physical.
21321+3412 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 205075 |
71434 |
21 32 05 +34 12 06 |
HO 603 AB |
2015 |
17 |
251 |
80.6 |
7.53 |
9.82 |
2.29 |
|
|
| Show |
|
|
21 31 58 +34 11 40 |
HO 603 BC |
2016 |
15 |
276 |
3.6 |
9.82 |
11.30 |
1.48 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2712-02138-1 |
|
Gaia DR2 |
1950395501527502720 |
|
