19021+5216 STF2450A,BC

 
 
19h 02m 07.04s +52 15' 40.1" P.A. 298 sep 5.1 mag 6.50,9.51 Sp G8III dist. 214.13 pc (698.49 l.y.)
 
 
Coord 2000
19021+5216
Discov num
STF2450
Comp
A,BC
Coord arcsec 2000
19 02 07.04 +52 15 40.1
Date first
1833
Date last
2017
Obs
27
Pa first
305
Pa last
298
P.A. Now (θ)
298°
Sep first
4.9
Sep last
5.1
Sep. Now (ρ)
5.1"
Mag pri
6.50
Mag sec
9.51
delta mag (ΔM)
3.01
Spectral class
G8III (yellow)
Pri motion ra
-005
Sec motion ra
-008
Pri motion dec
-034
Sec motion dec
-033
Notes
V (Proper motion indicates physical)
rPM=0.092 (< 0.3, Physical double)
This double is physical.
 
 
19021+5216 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 31337 19021+5216 STF2450 A,BC 1833 2017 27 298 5.1 6.50 9.51 3.01 <===
Show 31337 19021+5216 HU 757 BC 1904 2010 15 95 0.2 10.30 10.40 0.10 Y
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
298.4
Precise sep
5.12
Constellation
Draco
SAO
31337
HIP
93466
Tycho2
3553-01598-1
Gaia DR2
2134442516679430528
HD
177483
HR
7229
BD
BD+52 2326
Distance
214.13
Distance ly
698.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19021+5216 STF2450 A,BC 2005 26 299 5.2 6.50 9.51 G8III N D 190207.04+521540.1
19021+5216 STF2450 A,BC 2017 27 298 5.1 6.50 9.51 G8III V 190207.04+521540.1

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