18498+4145 SLW1222BC

 
 
18h 49m 46.14s +41 45' 23.4" P.A. 53 sep 22 mag 14.94,16.51 Sp K7.7+M1.8
 
 
Coord 2000
18498+4145
Discov num
SLW1222
Comp
BC
Coord arcsec 2000
18 49 46.14 +41 45 23.4
Date first
2000
Date last
2005
Obs
3
Pa first
53
Pa last
53
P.A. Now (θ)
53°
Sep first
22.0
Sep last
22.0
Sep. Now (ρ)
22"
Mag pri
14.94
Mag sec
16.51
delta mag (ΔM)
1.57
Spectral class
K7.7+M1.8 (yellow-orange/red)
Pri motion ra
-011
Sec motion ra
-005
Pri motion dec
+055
Sec motion dec
+056
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.108 (< 0.3, Physical double)
This double is physical.
 
 
18498+4145 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18498+4145 UC 3690 AB 2000 2015 3 29 52.9 11.90 14.94 3.04
Show 18498+4145 SLW1222 BC 2000 2005 3 53 22.0 14.94 16.51 1.57 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
53.2
Precise sep
22.01
Constellation
Lyra
last precise pa
53.2
last precise sep
22.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18498+4145 SLW1222 BC 2005 3 53 22.0 14.94 16.51 K7.7 M1.8 VDR 184946.14+414523.4

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