02172+5555 STF 235

 
 
02h 17m 10.70s +55 54' 53.9" P.A. 49 sep 1.9 mag 9.60,9.81 Sp F8
 
 
Coord 2000
02172+5555
Discov num
STF 235
Comp
Coord arcsec 2000
02 17 10.70 +55 54 53.9
Date first
1830
Date last
2016
Obs
25
Pa first
43
Pa last
49
P.A. Now (θ)
49°
Sep first
1.7
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
9.60
Mag sec
9.81
delta mag (ΔM)
0.21
Spectral class
F8 (yellow-white)
Pri motion ra
+038
Sec motion ra
+038
Pri motion dec
-023
Sec motion dec
-023
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
48.6
Precise sep
1.897
Constellation
Perseus
Tycho2
3690-01911-1
HD
13901
last precise pa
48.6
last precise sep
1.897
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02172+5555 STF 235 1999 23 48 1.9 9.60 9.81 F8 021710.70+555453.9
02172+5555 STF 235 2016 25 49 1.9 9.60 9.81 F8 021710.70+555453.9

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