21231+3144 HDS 3046 AB
21h 23m 07.06s +31° 43' 36.6" P.A. 329.00 sep 4.8 mag 9.25,12.91 Sp M0 dist. 143.06 pc (466.66 l.y.)
| Coord 2000 |
21231+3144 |
|
Discov num |
HDS3046 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 23 07.06 +31 43 36.6 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
2 |
|
| Pa first |
329 |
|
Pa last |
329.2 |
|
P.A. Now (θ) |
329.2° |
|
| Sep first |
4.8 |
|
Sep last |
4.79 |
|
Sep. Now (ρ) |
4.79" |
|
| Mag pri |
9.25 |
|
Mag sec |
12.91 |
|
delta mag (ΔM) |
3.66 |
|
Spectral class |
M0 (red) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
rPM=0.232 (< 0.3, Physical double)
This double is physical.
21231+3144 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 23 07 +31 43 37 |
HDS 3046 AB |
1991 |
2 |
329 |
4.8 |
9.25 |
12.91 |
3.66 |
|
<=== |
| Show |
|
|
21 23 07 +31 43 37 |
DAM 229 AC |
2015 |
8 |
22 |
14.2 |
9.30 |
11.70 |
2.40 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
105582 |
|
Tycho2 |
2703-01520-1 |
|
Gaia DR2 |
1853667344765577216 |
|
| BD |
BD+31 4433 |
|
Distance |
143.06 |
|
Distance ly |
466.66 |
|
