21176+6818 CON 40 CD
21h 17m 38.69s +68° 17' 33.4" P.A. 69.00 sep 1.0 mag 10.50,
| Coord 2000 |
21176+6818 |
|
Discov num |
CON 40 |
|
Comp |
CD |
|
Coord arcsec 2000 |
21 17 38.69 +68 17 33.4 |
|
| Date first |
2004 |
|
Date last |
2004 |
|
Obs |
1 |
|
| Pa first |
69 |
|
Pa last |
68.5 |
|
P.A. Now (θ) |
68.5° |
|
| Sep first |
1.0 |
|
Sep last |
1.01 |
|
Sep. Now (ρ) |
1.01" |
|
| Mag pri |
10.50 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
|
|
| Pri motion ra |
+018 |
|
Sec motion ra |
|
|
| Pri motion dec |
-009 |
|
Sec motion dec |
|
|
| Notes |
K
(K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
21176+6818 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 17 39 +68 17 33 |
YUN 1 AB |
2004 |
2 |
92 |
9.0 |
10.49 |
13.08 |
2.59 |
|
|
| Show |
|
|
21 17 39 +68 17 33 |
CON 40 CD |
2004 |
1 |
69 |
1.0 |
10.50 |
|
|
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
