18124-0718 A    36A,BC

 
 
18h 12m 24.02s -07 17' 49.1" P.A. 40 sep 70.1 mag 7.78,11.03 Sp G0 dist. 85.03 pc (277.37 l.y.)
 
 
Coord 2000
18124-0718
Discov num
A    36
Comp
A,BC
Coord arcsec 2000
18 12 24.02 -07 17 49.1
Date first
1899
Date last
2000
Obs
7
Pa first
42
Pa last
40
P.A. Now (θ)
40°
Sep first
65.6
Sep last
70.1
Sep. Now (ρ)
70.1"
Mag pri
7.78
Mag sec
11.03
delta mag (ΔM)
3.25
Spectral class
G0 (yellow)
Pri motion ra
-022
Sec motion ra
-013
Pri motion dec
-050
Sec motion dec
+008
Notes
rPM=1.074
This double is not physical.
 
 
18124-0718 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18124-0718 A 36 A,BC 1899 2000 7 40 70.1 7.78 11.03 3.25 <===
Show 18124-0718 A 36 BC 1899 1995 8 210 1.5 11.00 11.30 0.30
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
39.6
Precise sep
70.105
Constellation
Serpens
HIP
89216
Tycho2
5109-00035-1
HD
166761
BD
BD-07 4571
Distance
85.03
Distance ly
277.37
last precise pa
39.6
last precise sep
70.105
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18124-0718 A 36 A,BC 1999 6 40 69.9 7.78 10.60 G0 D 181224.02-071749.1
18124-0718 A 36 A,BC 2000 7 40 69.9 7.78 10.60 G0 D 181224.02-071749.1

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