22331+6830 BU 706 AB (HD 213989)
22h 33m 07.47s +68° 30' 17.9" P.A. 19.00 sep 2.8 mag 7.77,11.62 Sp A7V dist. 300.3 pc (979.58 l.y.)
| Coord 2000 |
22331+6830 |
|
Discov num |
BU 706 |
|
Comp |
AB |
|
Coord arcsec 2000 |
22 33 07.47 +68 30 17.9 |
|
| Date first |
1877 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
18 |
|
Pa last |
19.1 |
|
P.A. Now (θ) |
19.1° |
|
| Sep first |
2.3 |
|
Sep last |
2.838 |
|
Sep. Now (ρ) |
2.838" |
|
| Mag pri |
7.77 |
|
Mag sec |
11.62 |
|
delta mag (ΔM) |
3.85 |
|
Spectral class |
A7V (white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
+011 |
|
Sec motion dec |
+009 |
|
| Notes |
|
|
rPM=0.129 (< 0.3, Physical double)
This double is physical.
22331+6830 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 213989 |
20151 |
22 33 07 +68 30 18 |
BU 706 AB |
2015 |
10 |
19 |
2.8 |
7.77 |
11.62 |
3.85 |
|
<=== |
| Show |
|
20151 |
22 33 07 +68 30 18 |
BU 706 AC |
2015 |
14 |
251 |
31.2 |
7.77 |
10.98 |
3.21 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 213989 |
|
Constellation |
Cepheus |
|
SAO |
20151 |
|
HIP |
111319 |
|
| Tycho2 |
4476-01214-1 |
|
Gaia DR2 |
2225195484883384064 |
|
HD |
213989 |
|
BD |
BD+67 1450 |
|
| Distance |
300.3 |
|
Distance ly |
979.58 |
|
