19324+6940 STT 590AB (Sig Dra)

 
 
19h 32m 21.59s +69 39' 40.2" P.A. 339 sep 492.8 mag 4.76,11.35 Sp K0V
 
 
Coord 2000
19324+6940
Discov num
STT 590
Comp
AB
Coord arcsec 2000
19 32 21.59 +69 39 40.2
Date first
1852
Date last
1999
Obs
7
Pa first
340
Pa last
339
P.A. Now (θ)
339°
Sep first
223.7
Sep last
492.8
Sep. Now (ρ)
492.8"
Mag pri
4.76
Mag sec
11.35
delta mag (ΔM)
6.59
Spectral class
K0V (yellow-orange)
Pri motion ra
+060
Sec motion ra
-001
Pri motion dec
-174
Sec motion dec
-001
Notes
N L P (See Notes, Linear solution, 100-year proper motion)
rPM=0.997
This double is not physical.
 
 
19324+6940 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Sig Dra 18396 19324+6940 STT 590 AB 1852 1999 7 339 492.8 4.76 11.35 6.59 <===
Show 19324+6940 WGA 1 AC 1992 1992 0 11.0 3.66 21.70 18.04
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
339.3
Precise sep
492.79
Name
Sig Dra
Constellation
Draco
SAO
18396
HD
185144
HR
7462
Bayer
Sigma Draconis
Bayer name
Sig Dra
Flamsteed
61 Draconis
Flamsteed name
61 Dra
last precise pa
339.3
last precise sep
492.79
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19324+6940 STT 590 AB 1999 6 339 492.8 4.76 11.35 K0V NLDP 193220.59+693955.4

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