00174+1631 STF  20

Coord 2000	00174+1631		Discov num	STF  20		Comp			Coord arcsec 2000	00 17 22.36 +16 30 37.5
Date first	1825		Date last	2015		Obs	41
Pa first	230		Pa last	233		P.A. Now (θ)	233°
Sep first	12.1		Sep last	11.9		Sep. Now (ρ)	11.9"
Mag pri	8.87		Mag sec	9.67		delta mag (ΔM)	0.8		Spectral class	F9V (yellow-white)
Pri motion ra	+044		Sec motion ra	+045
Pri motion dec	+000		Sec motion dec	-001
Notes	Z (Parallax indicates components are physical)

rPM=0.031 (< 0.3, Physical double) This double is physical.

Precise pa	233.4		Precise sep	11.913		Constellation	Pisces		SAO	91819
HIP	1390		Tycho2	1179-00078-1		HD	1309		BD	BD+15 35
Distance	125		Distance ly	407.75		last precise pa	233.3		last precise sep	11.87

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00174+1631	STF 20		2004	35	233	11.9	8.87	9.67	F5	D	001722.36+163037.5
00174+1631	STF 20		2009	37	233	11.9	8.87	9.67	F5	D	001722.36+163037.5
00174+1631	STF 20		2015	39	233	11.9	8.87	9.67	F9V	Z	001722.36+163037.5

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