21585+2725 A 304 AB,C
21h 58m 30.37s +27° 24' 34.6" P.A. 240.00 sep 13.9 mag 8.67,13.00 Sp A2
| Coord 2000 |
21585+2725 |
|
Discov num |
A 304 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
21 58 30.37 +27 24 34.6 |
|
| Date first |
1897 |
|
Date last |
2014 |
|
Obs |
9 |
|
| Pa first |
243 |
|
Pa last |
240.4 |
|
P.A. Now (θ) |
240.4° |
|
| Sep first |
15.1 |
|
Sep last |
13.893 |
|
Sep. Now (ρ) |
13.893" |
|
| Mag pri |
8.67 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
4.33 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
+014 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
rPM=0.909
This double is not physical.
21585+2725 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 208838 |
90144 |
21 58 30 +27 24 35 |
A 304 AB |
2015 |
18 |
131 |
0.6 |
9.52 |
9.33 |
0.19 |
|
|
| Show |
|
|
21 58 30 +27 24 35 |
A 304 AB,C |
2014 |
9 |
240 |
13.9 |
8.67 |
13.00 |
4.33 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1893006801352893952 |
|
