02171+3413 DOR  66AB (Del Tri)

 
 
02h 17m 03.23s +34 13' 27.2" P.A. 301 sep 166.8 mag 4.85,13.60 Sp F9V dist. 10.78 pc (35.16 l.y.)
 
 
Coord 2000
02171+3413
Discov num
DOR  66
Comp
AB
Coord arcsec 2000
02 17 03.23 +34 13 27.2
Date first
1902
Date last
2010
Obs
7
Pa first
342
Pa last
301
P.A. Now (θ)
301°
Sep first
62.6
Sep last
166.8
Sep. Now (ρ)
166.8"
Mag pri
4.85
Mag sec
13.60
delta mag (ΔM)
8.75
Spectral class
F9V (yellow-white)
Pri motion ra
+115
Sec motion ra
Pri motion dec
-025
Sec motion dec
Notes
N U P (See Notes, Proper motion indicates non-physical, 100-year proper motion)
This double is not physical.
 
 
02171+3413 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 55420 02171+3413 MKT 5 Aa,Ab 1990 1992 21 26 0.0 4.85 Y
Show Del Tri 55420 02171+3413 DOR 66 AB 1902 2010 7 301 166.8 4.85 13.60 8.75 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
300.9
Precise sep
166.8
Name
Del Tri
Constellation
Triangulum
SAO
55420
HIP
10644
Tycho2
2318-01874-1
HD
13974
HR
660
GC
2733
GL
Gl 92
BD
BD+33 395
Bayer
Delta Trianguli
Bayer name
Del Tri
Flamsteed
8 Trianguli
Flamsteed name
8 Tri
Distance
10.78
Distance ly
35.16
last precise pa
300.9
last precise sep
166.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02171+3413 DOR 66 AB 1907 2 337 65.4 4.85 13.60 F9V N P 021702.42+341329.4
02171+3413 DOR 66 AB 1986 4 304 140.3 4.85 13.60 F9V NU P 021702.42+341329.4
02171+3413 DOR 66 AB 2010 6 301 166.8 4.85 13.60 F9V NU P 021702.42+341329.4

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