18580+4407 A 587 AB
18h 57m 59.07s +44° 06' 33.9" P.A. 307.00 sep 42.3 mag 9.55,10.54 Sp K2
| Coord 2000 |
18580+4407 |
|
Discov num |
A 587 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 57 59.07 +44 06 33.9 |
|
| Date first |
1894 |
|
Date last |
2018 |
|
Obs |
16 |
|
| Pa first |
305 |
|
Pa last |
307.4 |
|
P.A. Now (θ) |
307.4° |
|
| Sep first |
40.5 |
|
Sep last |
42.323 |
|
Sep. Now (ρ) |
42.323" |
|
| Mag pri |
9.55 |
|
Mag sec |
10.54 |
|
delta mag (ΔM) |
0.99 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
+007 |
|
| Notes |
|
|
rPM=1.393
This double is not physical.
18580+4407 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 57 59 +44 06 34 |
A 587 AB |
2018 |
16 |
307 |
42.3 |
9.55 |
10.54 |
0.99 |
|
<=== |
| Show |
|
|
18 57 56 +44 07 00 |
A 587 BC |
2017 |
12 |
188 |
1.8 |
10.61 |
11.54 |
0.93 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
3131-01870-1 |
|
Gaia DR2 |
2106601267358233728 |
|
