18430+3445 BKO 52 BD
18h 43m 00.10s +34° 45' 18.9" P.A. 82.00 sep 7.5 mag 11.00,12.50
Coord 2000 |
18430+3445 |
|
Discov num |
BKO 52 |
|
Comp |
BD |
|
Coord arcsec 2000 |
18 43 00.10 +34 45 18.9 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
80 |
|
Pa last |
81.7 |
|
P.A. Now (θ) |
81.7° |
|
Sep first |
7.4 |
|
Sep last |
7.543 |
|
Sep. Now (ρ) |
7.543" |
|
Mag pri |
11.00 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
|
|
Pri motion ra |
-010 |
|
Sec motion ra |
-013 |
|
Pri motion dec |
+011 |
|
Sec motion dec |
+009 |
|
Notes |
|
|
rPM=0.228 (< 0.3, Physical double)
This double is physical.
18430+3445 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 42 59 +34 45 06 |
SEI 572 AB |
2015 |
14 |
53 |
22.3 |
11.00 |
11.00 |
0.00 |
|
|
Show |
|
|
18 42 59 +34 45 06 |
BKO 52 AC |
2015 |
11 |
147 |
18.7 |
11.00 |
12.40 |
1.40 |
|
|
Show |
|
|
18 43 00 +34 45 19 |
BKO 52 BD |
2015 |
9 |
82 |
7.5 |
11.00 |
12.50 |
1.50 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Gaia DR2 |
2091857224452914048 |
|