02518+5819 BLL 8 AB (HD 17581)
02h 51m 45.88s +58° 18' 51.4" P.A. 147.00 sep 195.6 mag 6.46,9.93 Sp A1m dist. 90.01 pc (293.61 l.y.)
| Coord 2000 |
02518+5819 |
|
Discov num |
BLL 8 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 51 45.88 +58 18 51.4 |
|
| Date first |
1879 |
|
Date last |
2015 |
|
Obs |
16 |
|
| Pa first |
147 |
|
Pa last |
146.8 |
|
P.A. Now (θ) |
146.8° |
|
| Sep first |
192.7 |
|
Sep last |
195.614 |
|
Sep. Now (ρ) |
195.614" |
|
| Mag pri |
6.46 |
|
Mag sec |
9.93 |
|
delta mag (ΔM) |
3.47 |
|
Spectral class |
A1m (white) |
|
| Pri motion ra |
-033 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-004 |
|
| Notes |
N
(See Notes) |
|
rPM=1.181
This double is not physical.
02518+5819 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 17581 |
23662 |
02 51 46 +58 18 51 |
BLL 8 AB |
2015 |
16 |
147 |
195.6 |
6.46 |
9.93 |
3.47 |
|
<=== |
| Show |
|
23662 |
02 51 46 +58 18 51 |
ARN 56 AC |
2015 |
13 |
188 |
350.3 |
6.46 |
9.48 |
3.02 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 17581 |
|
Constellation |
Cassiopeia |
|
SAO |
23662 |
|
HIP |
13347 |
|
| Tycho2 |
3712-01696-1 |
|
Gaia DR2 |
461022721567517056 |
|
HD |
17581 |
|
HR |
839 |
|
| GC |
3413 |
|
BD |
BD+57 651 |
|
Distance |
90.01 |
|
Distance ly |
293.61 |
|
