21399+3931 A 1445 AB
21h 39m 53.72s +39° 30' 53.8" P.A. 283.00 sep 1.5 mag 6.98,12.80 Sp A3 dist. 97.47 pc (317.95 l.y.)
| Coord 2000 |
21399+3931 |
|
Discov num |
A 1445 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 39 53.72 +39 30 53.8 |
|
| Date first |
1906 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
280 |
|
Pa last |
282.5 |
|
P.A. Now (θ) |
282.5° |
|
| Sep first |
1.5 |
|
Sep last |
1.482 |
|
Sep. Now (ρ) |
1.482" |
|
| Mag pri |
6.98 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
5.82 |
|
Spectral class |
A3 (white) |
|
| Pri motion ra |
+053 |
|
Sec motion ra |
|
|
| Pri motion dec |
+008 |
|
Sec motion dec |
|
|
| Notes |
S
(Parallax indidates non-physical) |
|
This double is not physical.
21399+3931 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
71574 |
21 39 54 +39 30 54 |
A 1445 AB |
2016 |
6 |
283 |
1.5 |
6.98 |
12.80 |
5.82 |
|
<=== |
| Show |
|
71574 |
21 39 54 +39 30 54 |
HJ 1675 AC |
2015 |
7 |
264 |
37.9 |
6.98 |
13.09 |
6.11 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
71574 |
|
HIP |
106969 |
|
Tycho2 |
3187-00280-1 |
|
| Gaia DR2 |
1953919028278568064 |
|
HD |
206261 |
|
GC |
30331 |
|
BD |
BD+38 4567 |
|
| Distance |
97.47 |
|
Distance ly |
317.95 |
|
