20295+8105 STT 593AB (74 Dra)

 
 
20h 29m 27.31s +81 05' 26.7" P.A. 36.00 sep 214.4 mag 6.07,8.74 Sp K0III+F8V dist. 63.73 pc (207.89 l.y.)
 
 
Coord 2000
20295+8105
Discov num
STT 593
Comp
AB
Coord arcsec 2000
20 29 27.31 +81 05 26.7
Date first
1851
Date last
2015
Obs
20
Pa first
40
Pa last
36
P.A. Now (θ)
36°
Sep first
214.2
Sep last
214.4
Sep. Now (ρ)
214.4"
Mag pri
6.07
Mag sec
8.74
delta mag (ΔM)
2.67
Spectral class
K0III+F8V (yellow-orange/yellow-white)
Pri motion ra
+066
Sec motion ra
+067
Pri motion dec
+221
Sec motion dec
+221
Notes
N T (See Notes, Parallax indicates physical)
Visually invisible, K-band or other infrared star rPM=0.004 (< 0.3, Physical double)
This double is physical.
 
 
20295+8105 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 74 Dra 3413 20295+8105 STT 593 AB 1851 2015 20 36 214.4 6.07 8.74 2.67 <===
Show 3415 20295+8105 BUP 212 BC 1896 2004 7 293 100.4 8.74 12.30 3.56
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
35.9
Precise sep
214.393
Name
74 Dra
Constellation
Draco
SAO
3413
HIP
101082
Tycho2
4597-01694-1
HD
196925
HR
7908
GC
28648
BD
BD+80 660
Flamsteed
74 Draconis
Flamsteed name
74 Dra
Distance
63.73
Distance ly
207.89
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20295+8105 STT 593 AB 1999 16 36 214.6 6.07 8.74 K0III+F8V N DV 202927.31+810526.7
20295+8105 STT 593 AB 2004 17 36 214.5 6.07 8.74 K0III F8V NVD 202927.31+810526.7
20295+8105 STT 593 AB 2010 18 36 214.2 6.07 8.74 K0III+F8V NV 202927.31+810526.7
20295+8105 STT 593 AB 2015 19 36 214.4 6.07 8.74 K0III+F8V NVW 202927.31+810526.7

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