21169+4140 POP 186 CD
21h 17m 01.59s +41° 39' 13.7" P.A. 93.00 sep 4.2 mag 12.20,12.70
| Coord 2000 |
21169+4140 |
|
Discov num |
POP 186 |
|
Comp |
CD |
|
Coord arcsec 2000 |
21 17 01.59 +41 39 13.7 |
|
| Date first |
1984 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
90 |
|
Pa last |
92.7 |
|
P.A. Now (θ) |
92.7° |
|
| Sep first |
4.4 |
|
Sep last |
4.208 |
|
Sep. Now (ρ) |
4.208" |
|
| Mag pri |
12.20 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
+033 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
-002 |
|
| Notes |
R
(Red magnitudes) |
|
rPM=1.074
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 |
|
Gaia DR2 |
1968774697385051264 |
|
