02181+5731 S 409 AD
02h 18m 04.58s +57° 30' 58.7" P.A. 136.00 sep 123.3 mag 6.11,9.62 Sp G7III dist. 251.26 pc (819.61 l.y.)
| Coord 2000 |
02181+5731 |
|
Discov num |
S 409 |
|
Comp |
AD |
|
Coord arcsec 2000 |
02 18 04.58 +57 30 58.7 |
|
| Date first |
1824 |
|
Date last |
2015 |
|
Obs |
21 |
|
| Pa first |
136 |
|
Pa last |
136.4 |
|
P.A. Now (θ) |
136.4° |
|
| Sep first |
124.5 |
|
Sep last |
123.268 |
|
Sep. Now (ρ) |
123.268" |
|
| Mag pri |
6.11 |
|
Mag sec |
9.62 |
|
delta mag (ΔM) |
3.51 |
|
Spectral class |
G7III (yellow) |
|
| Pri motion ra |
-013 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
+004 |
|
| Notes |
N
(See Notes) |
|
rPM=0.645
Nature of this double is uncertain.
02181+5731 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Chi Per |
23149 |
02 18 05 +57 30 59 |
BU 1170 A,BC |
2013 |
12 |
358 |
68.7 |
6.11 |
12.29 |
6.18 |
|
|
| Show |
|
23149 |
02 18 05 +57 30 59 |
S 409 AD |
2015 |
21 |
136 |
123.3 |
6.11 |
9.62 |
3.51 |
|
<=== |
| Show |
|
23149 |
02 18 05 +57 30 59 |
BU 1170 AE |
2015 |
8 |
12 |
207.1 |
6.11 |
12.39 |
6.28 |
|
|
| Show |
|
23149 |
02 18 04 +57 32 07 |
BU 1170 BC |
2012 |
5 |
309 |
0.5 |
11.50 |
11.70 |
0.20 |
|
|
Quintuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Perseus |
|
SAO |
23149 |
|
HIP |
10729 |
|
Tycho2 |
3694-02581-1 |
|
| Gaia DR2 |
458574349694431488 |
|
HD |
13994 |
|
HR |
662 |
|
GC |
2752 |
|
| ADS |
1753 |
|
BD |
BD+56 486 |
|
Bayer |
Chi Persei |
|
Bayer name |
Chi Per |
|
| Flamsteed |
7 Persei |
|
Flamsteed name |
7 Per |
|
Distance |
251.26 |
|
Distance ly |
819.61 |
|
| Bayer greek |
χ Per |
|
