21000+4004 RAO 689 AC
21h 00m 05.49s +40° 04' 12.3" P.A. 300.00 sep 2.4 mag 8.70,13.30 Sp M2V
| Coord 2000 |
21000+4004 |
|
Discov num |
RAO 689 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 00 05.49 +40 04 12.3 |
|
| Date first |
2012 |
|
Date last |
2012 |
|
Obs |
1 |
|
| Pa first |
300 |
|
Pa last |
300 |
|
P.A. Now (θ) |
300° |
|
| Sep first |
2.4 |
|
Sep last |
2.4 |
|
Sep. Now (ρ) |
2.4" |
|
| Mag pri |
8.70 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
4.6 |
|
Spectral class |
M2V (red) |
|
| Pri motion ra |
+602 |
|
Sec motion ra |
|
|
| Pri motion dec |
-251 |
|
Sec motion dec |
|
|
| Notes |
N
R
(See Notes, Red magnitudes) |
|
Nature of this double is uncertain.
21000+4004 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
V1396 Cyg |
|
21 00 05 +40 04 12 |
KUI 103 AB |
2016 |
69 |
58 |
0.9 |
10.49 |
12.40 |
1.91 |
Y |
|
| Show |
|
|
21 00 05 +40 04 12 |
RAO 689 AC |
2012 |
1 |
300 |
2.4 |
8.70 |
13.30 |
4.60 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3172-01090-1 |
|
