21102+3726 HU 1309 AB
21h 10m 10.16s +37° 25' 46.7" P.A. 171.00 sep 3.0 mag 10.30,11.30
| Coord 2000 |
21102+3726 |
|
Discov num |
HU 1309 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 10 10.16 +37 25 46.7 |
|
| Date first |
1905 |
|
Date last |
2011 |
|
Obs |
9 |
|
| Pa first |
172 |
|
Pa last |
171.4 |
|
P.A. Now (θ) |
171.4° |
|
| Sep first |
2.9 |
|
Sep last |
3.01 |
|
Sep. Now (ρ) |
3.01" |
|
| Mag pri |
10.30 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
-005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-015 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21102+3726 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 10 10 +37 25 47 |
HU 1309 AB |
2011 |
9 |
171 |
3.0 |
10.30 |
11.30 |
1.00 |
|
<=== |
| Show |
|
|
21 10 10 +37 25 47 |
HU 1309 AC |
2015 |
5 |
239 |
21.9 |
10.30 |
11.30 |
1.00 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2714-00541-1 |
|
Gaia DR2 |
1868778276668770432 |
|
