19021+5216 STF2450A,BC

 
 
19h 02m 07.04s +52 15' 40.1" P.A. 299 sep 5.2 mag 6.50,9.51 Sp G8III
 
 
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
2005
Obs
26
Pa first
305
Pa last
299
P.A. Now (θ)
299°
Sep first
4.9
Sep last
5.2
Sep. Now (ρ)
5.2"
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 2005 26 299 5.2 6.50 9.51 3.01 <===
Show 31337 19021+5216 HU 757 BC 1904 2010 15 97 0.2 10.30 10.40 0.10 Y
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
298.9
Precise sep
5.19
Constellation
Draco
SAO
31337
HD
177483
HR
7229
last precise pa
298.9
last precise sep
5.19
 
 
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

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