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
Cdsa2 id
SLW 1222 BC
Constellation
Lyra
Ra deg
18.829483333333332
De deg
41.7565
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

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