21169+4140 POP 186 AB
21h 16m 57.43s +41° 39' 52.6" P.A. 297.00 sep 10.7 mag 10.30,11.10
| Coord 2000 |
21169+4140 |
|
Discov num |
POP 186 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 16 57.43 +41 39 52.6 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
297 |
|
Pa last |
297.2 |
|
P.A. Now (θ) |
297.2° |
|
| Sep first |
8.8 |
|
Sep last |
10.711 |
|
Sep. Now (ρ) |
10.711" |
|
| Mag pri |
10.30 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
+010 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
rPM=1.816
This double is not physical.
21169+4140 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 16 57 +41 39 53 |
POP 186 AB |
2015 |
12 |
297 |
10.7 |
10.30 |
11.10 |
0.80 |
|
<=== |
| Show |
|
|
21 16 57 +41 39 53 |
POP 186 AC |
2015 |
5 |
130 |
60.7 |
10.25 |
12.20 |
1.95 |
|
|
| Show |
|
|
21 17 02 +41 39 14 |
POP 186 CD |
2015 |
4 |
93 |
4.2 |
12.20 |
12.70 |
0.50 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3177-00058-1 |
|
Gaia DR2 |
1968774770408281216 |
|
