20313+4121 MZA 39 AB
20h 31m 18.33s +41° 21' 21.7" P.A. 215.00 sep 4.4 mag 11.80,16.30 Sp O9.5IV
| Coord 2000 |
20313+4121 |
|
Discov num |
MZA 39 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 31 18.33 +41 21 21.7 |
|
| Date first |
2008 |
|
Date last |
2018 |
|
Obs |
3 |
|
| Pa first |
342 |
|
Pa last |
214.6 |
|
P.A. Now (θ) |
214.6° |
|
| Sep first |
1.2 |
|
Sep last |
4.367 |
|
Sep. Now (ρ) |
4.367" |
|
| Mag pri |
11.80 |
|
Mag sec |
16.30 |
|
delta mag (ΔM) |
4.5 |
|
Spectral class |
O9.5IV (blue) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
This double is physical.
20313+4121 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 31 18 +41 21 22 |
MZA 39 AB |
2018 |
3 |
215 |
4.4 |
11.80 |
16.30 |
4.50 |
|
<=== |
| Show |
|
|
20 31 18 +41 21 22 |
CAN 30 AC |
2008 |
1 |
185 |
6.6 |
7.70 |
15.30 |
7.60 |
|
|
| Show |
|
|
20 31 18 +41 21 22 |
CAN 30 AD |
2008 |
1 |
101 |
10.7 |
7.70 |
15.00 |
7.30 |
|
|
| Show |
|
|
20 31 18 +41 21 22 |
CAN 30 AE |
2008 |
1 |
116 |
11.1 |
7.70 |
15.10 |
7.40 |
|
|
| Show |
|
|
20 31 18 +41 21 22 |
CAN 30 AF |
2008 |
1 |
234 |
11.4 |
7.70 |
14.70 |
7.00 |
|
|
| Show |
|
|
20 31 18 +41 21 22 |
CAN 30 AG |
2008 |
2 |
274 |
12.4 |
7.70 |
15.00 |
7.30 |
|
|
| Show |
|
|
20 31 18 +41 21 22 |
CAN 30 AH |
2008 |
1 |
275 |
12.7 |
7.70 |
15.40 |
7.70 |
|
|
| Show |
|
|
20 31 18 +41 21 22 |
CAN 30 AI |
2008 |
1 |
272 |
13.3 |
7.70 |
13.60 |
5.90 |
|
|
Ninefold system
9 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
