15303+1543 HJ  254AB

 
 
15h 30m 15.06s +15 42' 40.9" P.A. 278.00 sep 17.1 mag 10.04,10.47 Sp G5
 
 
Coord 2000
15303+1543
Discov num
HJ  254
Comp
AB
Coord arcsec 2000
15 30 15.06 +15 42 40.9
Date first
1825
Date last
2017
Obs
24
Pa first
285
Pa last
278
P.A. Now (θ)
278°
Sep first
10.0
Sep last
17.1
Sep. Now (ρ)
17.1"
Mag pri
10.04
Mag sec
10.47
delta mag (ΔM)
0.43
Spectral class
G5 (yellow)
Pri motion ra
-001
Sec motion ra
-005
Pri motion dec
+023
Sec motion dec
+021
Notes
rPM=0.194 (< 0.3, Physical double)
This double is physical.
 
 
15303+1543 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 101583 15303+1543 HJ 254 AB 1825 2017 24 278 17.1 10.04 10.47 0.43 <===
Show 101583 15303+1543 HJ 254 BC 1825 2017 13 2 60.3 10.47 12.70 2.23
Show 101583 15303+1543 HJ 254 BD 1825 2017 13 259 74.8 10.47 14.31 3.84
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
277.8
Precise sep
17.1
Constellation
Serpens
SAO
101583
Tycho2
1494-00415-1
Gaia DR2
1195507037355749760
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15303+1543 HJ 254 AB 2006 11 278 17.3 10.04 10.47 G5 D 153015.06+154240.9
15303+1543 HJ 254 AB 2012 15 278 17.3 10.04 10.47 G5 D 153015.06+154240.9
15303+1543 HJ 254 AB 2013 16 277 17.2 10.04 10.47 G5 153015.06+154240.9
15303+1543 HJ 254 AB 2017 18 278 17.1 10.04 10.47 G5 153015.06+154240.9

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