20195+2740 MLB 609BC

 
 
20h 19m 25.47s +27 39' 37.0" P.A. 283 sep 17.3 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
2002
Obs
3
Pa first
287
Pa last
283
P.A. Now (θ)
283°
Sep first
13.0
Sep last
17.3
Sep. Now (ρ)
17.3"
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=0.975
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 2007 7 279 5.4 12.40 12.60 0.20
Show 20195+2740 MLB 609 BC 1929 2002 3 283 17.3 12.60 13.20 0.60 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
283.4
Precise sep
17.328
Constellation
Vulpecula
last precise pa
283.4
last precise sep
17.328
 
 
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

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