15318+2135 COU 191 AB
15h 31m 48.91s +21° 34' 42.7" P.A. 20.00 sep 5.4 mag 10.16,14.50 Sp K0
| Coord 2000 |
15318+2135 |
|
Discov num |
COU 191 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 31 48.91 +21 34 42.7 |
|
| Date first |
1967 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
18 |
|
Pa last |
19.5 |
|
P.A. Now (θ) |
19.5° |
|
| Sep first |
4.8 |
|
Sep last |
5.408 |
|
Sep. Now (ρ) |
5.408" |
|
| Mag pri |
10.16 |
|
Mag sec |
14.50 |
|
delta mag (ΔM) |
4.34 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-018 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
15318+2135 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
15 31 49 +21 34 43 |
COU 191 AB |
2016 |
8 |
20 |
5.4 |
10.16 |
14.50 |
4.34 |
|
<=== |
| Show |
|
|
15 31 49 +21 34 43 |
COU 191 AC |
2015 |
8 |
85 |
11.0 |
10.16 |
13.00 |
2.84 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
Tycho2 |
1500-00978-1 |
|
Gaia DR2 |
1211430332251841152 |
|
