01572+1858 STF 189

Coord 2000	01572+1858		Discov num	STF 189		Comp			Coord arcsec 2000	01 57 09.47 +18 57 32.2
Date first	1829		Date last	2013		Obs	21
Pa first	270		Pa last	269		P.A. Now (θ)	269°
Sep first	8.5		Sep last	9.0		Sep. Now (ρ)	9"
Mag pri	9.88		Mag sec	10.97		delta mag (ΔM)	1.09		Spectral class	K7 (yellow-orange)
Pri motion ra	-014		Sec motion ra	-012
Pri motion dec	-014		Sec motion dec	-014
Notes

rPM=0.101 (< 0.3, Physical double) This double is physical.

Precise pa	268.5		Precise sep	9		Constellation	Aries		SAO	92717
Tycho2	1209-00301-1		last precise pa	268.5		last precise sep	9

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01572+1858	STF 189		1998	17	269	9.0	9.88	10.97	K7	D	015709.47+185732.2
01572+1858	STF 189		2010	18	269	8.8	9.88	10.97	K7	D	015709.47+185732.2
01572+1858	STF 189		2013	20	269	9.0	9.88	10.97	K7		015709.47+185732.2

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