21555+2942 HO 609 AB
21h 55m 12.36s +29° 43' 33.1" P.A. 356.00 sep 3.3 mag 12.00,11.90
| Coord 2000 |
21555+2942 |
|
Discov num |
HO 609 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 55 12.36 +29 43 33.1 |
|
| Date first |
1893 |
|
Date last |
2016 |
|
Obs |
30 |
|
| Pa first |
356 |
|
Pa last |
356.1 |
|
P.A. Now (θ) |
356.1° |
|
| Sep first |
1.8 |
|
Sep last |
3.296 |
|
Sep. Now (ρ) |
3.296" |
|
| Mag pri |
12.00 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
-014 |
|
Sec motion ra |
|
|
| Pri motion dec |
-008 |
|
Sec motion dec |
|
|
| Notes |
N
R
(See Notes, Red magnitudes) |
|
Nature of this double is uncertain.
21555+2942 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 55 12 +29 43 33 |
HO 609 AB |
2016 |
30 |
356 |
3.3 |
12.00 |
11.90 |
0.10 |
|
<=== |
| Show |
|
|
21 55 12 +29 43 33 |
HO 609 AC |
2015 |
11 |
132 |
22.1 |
12.00 |
14.10 |
2.10 |
|
|
| Show |
|
|
21 55 12 +29 43 33 |
HO 609 AD |
2015 |
11 |
147 |
30.4 |
12.00 |
13.50 |
1.50 |
|
|
| Show |
|
|
21 55 12 +29 43 33 |
HO 609 AE |
2015 |
11 |
347 |
31.7 |
12.00 |
14.02 |
2.02 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1896567363600388992 |
|
