20515+3104 NSN 737 AB
20h 51m 28.89s +31° 04' 22.4" P.A. 134.00 sep 1.4 mag 12.70,13.42
Coord 2000 |
20515+3104 |
|
Discov num |
NSN 737 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 51 28.89 +31 04 22.4 |
|
Date first |
2013 |
|
Date last |
2017 |
|
Obs |
5 |
|
Pa first |
123 |
|
Pa last |
134.4 |
|
P.A. Now (θ) |
134.4° |
|
Sep first |
1.3 |
|
Sep last |
1.4 |
|
Sep. Now (ρ) |
1.4" |
|
Mag pri |
12.70 |
|
Mag sec |
13.42 |
|
delta mag (ΔM) |
0.72 |
|
Spectral class |
|
|
Pri motion ra |
+055 |
|
Sec motion ra |
+052 |
|
Pri motion dec |
-212 |
|
Sec motion dec |
-222 |
|
Notes |
T
(Parallax indicates physical) |
|
rPM=0.046 (< 0.3, Physical double)
This double is physical.
20515+3104 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 51 29 +31 04 22 |
NSN 737 AB |
2017 |
5 |
134 |
1.4 |
12.70 |
13.42 |
0.72 |
|
<=== |
Show |
|
|
20 51 29 +31 04 22 |
RAO 676 AC |
2017 |
1 |
22 |
4.5 |
12.10 |
16.20 |
4.10 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS