21176+2915 COU 835 AC
21h 17m 36.32s +29° 14' 55.3" P.A. 247.00 sep 12.3 mag 9.50,12.00 Sp A0
| Coord 2000 |
21176+2915 |
|
Discov num |
COU 835 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 17 36.32 +29 14 55.3 |
|
| Date first |
1972 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
249 |
|
Pa last |
247.1 |
|
P.A. Now (θ) |
247.1° |
|
| Sep first |
15.0 |
|
Sep last |
12.278 |
|
Sep. Now (ρ) |
12.278" |
|
| Mag pri |
9.50 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
rPM=0.919
This double is not physical.
21176+2915 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 17 36 +29 14 55 |
COU 835 AB |
2014 |
8 |
238 |
0.4 |
9.50 |
9.50 |
0.00 |
|
|
| Show |
|
|
21 17 36 +29 14 55 |
COU 835 AC |
2015 |
7 |
247 |
12.3 |
9.50 |
12.00 |
2.50 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2198-01527-1 |
|
Gaia DR2 |
1851596856990962048 |
|
DM |
BD+28 4044 |
|
