21518+1336 CRC 40 Aa,Ab
21h 51m 48.32s +13° 36' 15.5" P.A. 138.00 sep 0.7 mag 11.10,12.50 Sp M4V+M5.5V
| Coord 2000 |
21518+1336 |
|
Discov num |
CRC 40 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
21 51 48.32 +13 36 15.5 |
|
| Date first |
2012 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
117 |
|
Pa last |
137.6 |
|
P.A. Now (θ) |
137.6° |
|
| Sep first |
0.7 |
|
Sep last |
0.707 |
|
Sep. Now (ρ) |
0.707" |
|
| Mag pri |
11.10 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
1.4 |
|
Spectral class |
M4V+M5.5V (red/red) |
|
| Pri motion ra |
+192 |
|
Sec motion ra |
|
|
| Pri motion dec |
-087 |
|
Sec motion dec |
|
|
| Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
This double is physical.
21518+1336 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 51 48 +13 36 16 |
CRC 40 Aa,Ab |
2016 |
4 |
138 |
0.7 |
11.10 |
12.50 |
1.40 |
|
<=== |
| Show |
|
|
21 51 48 +13 36 16 |
CRC 40 AB |
2014 |
4 |
122 |
10.9 |
11.10 |
|
|
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
