20509+0101 TDT 2577 Aa,Ab
20h 50m 54.67s +01° 01' 11.9" P.A. 104.00 sep 0.5 mag 10.56,10.57
Coord 2000 |
20509+0101 |
|
Discov num |
TDT2577 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
20 50 54.67 +01 01 11.9 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
104 |
|
Pa last |
103.9 |
|
P.A. Now (θ) |
103.9° |
|
Sep first |
0.5 |
|
Sep last |
0.46 |
|
Sep. Now (ρ) |
0.46" |
|
Mag pri |
10.56 |
|
Mag sec |
10.57 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
|
|
Pri motion ra |
-020 |
|
Sec motion ra |
-017 |
|
Pri motion dec |
-156 |
|
Sec motion dec |
-156 |
|
Notes |
|
|
rPM=0.019 (< 0.3, Physical double)
This double is physical.
20509+0101 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 50 55 +01 01 12 |
TDT 2577 Aa,Ab |
1991 |
1 |
104 |
0.5 |
10.56 |
10.57 |
0.01 |
|
<=== |
Show |
|
|
20 50 55 +01 01 12 |
RST 5472 AB |
2016 |
5 |
77 |
3.7 |
9.91 |
12.60 |
2.69 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquarius |
|
Tycho2 |
0512-01429-1 |
|
Gaia DR2 |
4228484127131881344 |
|