20195+2740 MLB 609BC

 
 
20h 19m 25.47s +27 39' 37.0" P.A. 282 sep 17.5 mag 12.60,13.20
 
 
Coord 2000
20195+2740
Discov num
MLB 609
Comp
BC
Coord arcsec 2000
20 19 25.47 +27 39 37.0
Date first
1929
Date last
2015
Obs
4
Pa first
287
Pa last
282
P.A. Now (θ)
282°
Sep first
13.0
Sep last
17.5
Sep. Now (ρ)
17.5"
Mag pri
12.60
Mag sec
13.20
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-025
Sec motion ra
-008
Pri motion dec
+010
Sec motion dec
-010
Notes
R (Red magnitudes)
rPM=0.029 (< 0.3, Physical double)
This double is not physical.
 
 
20195+2740 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20195+2740 MLB 609 AB 1897 2015 8 280 5.5 12.40 12.60 0.20
Show 20195+2740 MLB 609 BC 1929 2015 4 282 17.5 12.60 13.20 0.60 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
SAO
20929
last precise pa
281.7
last precise sep
17.518
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20195+2740 MLB 609 BC 2002 3 283 17.3 12.60 13.20 R 201925.47+273937.0
20195+2740 MLB 609 BC 2007 2 279 5.4 10.00 11.00 201925.55+273935.7
20195+2740 MLB 609 BC 2015 4 282 17.5 12.60 13.20 R 201925.47+273937.0

If you need more information about this double, apply for a data request form to the WDS.