02172+3729 STF 238AC

 
 
02h 17m 11.90s +37 29' 00.2" P.A. 356 sep 10.9 mag 9.23,9.78 Sp F8 dist. 175.75 pc (573.3 l.y.)
 
 
Coord 2000
02172+3729
Discov num
STF 238
Comp
AC
Coord arcsec 2000
02 17 11.90 +37 29 00.2
Date first
1828
Date last
2016
Obs
34
Pa first
2
Pa last
356
P.A. Now (θ)
356°
Sep first
7.0
Sep last
10.9
Sep. Now (ρ)
10.9"
Mag pri
9.23
Mag sec
9.78
delta mag (ΔM)
0.55
Spectral class
F8 (yellow-white)
Pri motion ra
+061
Sec motion ra
+011
Pri motion dec
-032
Sec motion dec
-019
Notes
rPM=0.75
Nature of this double is uncertain.
 
 
02172+3729 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 55425 02172+3729 A 206 AB 1900 2009 16 153 0.4 9.23 10.80 1.57
Show 55425 02172+3729 STF 238 AC 1828 2016 34 356 10.9 9.23 9.78 0.55 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.6
Precise sep
10.899
Constellation
Andromeda
SAO
55425
HIP
10661
Tycho2
2322-02168-1
HD
14016
BD
BD+36 453
Distance
175.75
Distance ly
573.3
last precise pa
355.6
last precise sep
10.899
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02172+3729 STF 238 AC 2003 29 356 10.9 9.23 9.78 D 021711.90+372900.2
02172+3729 STF 238 AC 2012 32 356 10.9 9.23 9.78 F8 021711.90+372900.2
02172+3729 STF 238 AC 2015 33 356 10.8 9.23 9.78 F8 021711.90+372900.2
02172+3729 STF 238 AC 2016 34 356 10.9 9.23 9.78 F8 021711.90+372900.2

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