16172+3341 COU 980 AC
16h 17m 09.42s +33° 41' 50.9" P.A. 81.00 sep 38.8 mag 11.35,11.71
| Coord 2000 |
16172+3341 |
|
Discov num |
COU 980 |
|
Comp |
AC |
|
Coord arcsec 2000 |
16 17 09.42 +33 41 50.9 |
|
| Date first |
1983 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
81 |
|
Pa last |
81.4 |
|
P.A. Now (θ) |
81.4° |
|
| Sep first |
39.9 |
|
Sep last |
38.754 |
|
Sep. Now (ρ) |
38.754" |
|
| Mag pri |
11.35 |
|
Mag sec |
11.71 |
|
delta mag (ΔM) |
0.36 |
|
Spectral class |
|
|
| Pri motion ra |
+065 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
-020 |
|
| Notes |
|
|
rPM=1.145
This double is not physical.
16172+3341 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
16 17 09 +33 41 51 |
COU 980 AB |
2019 |
13 |
340 |
0.5 |
11.35 |
11.39 |
0.04 |
|
|
| Show |
|
|
16 17 09 +33 41 51 |
COU 980 AC |
2015 |
10 |
81 |
38.8 |
11.35 |
11.71 |
0.36 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corona Borealis |
|
Tycho2 |
2583-02123-1 |
|
