01220-5759 HDS 177

Coord 2000	01220-5759		Discov num	HDS 177		Comp			Coord arcsec 2000	01 21 57.28 -57 58 37.2
Date first	1991		Date last	2015		Obs	4
Pa first	308		Pa last	298		P.A. Now (θ)	298°
Sep first	1.6		Sep last	1.5		Sep. Now (ρ)	1.5"
Mag pri	9.85		Mag sec	12.66		delta mag (ΔM)	2.81		Spectral class	G8/K0V (yellow)
Pri motion ra	+261		Sec motion ra	+262
Pri motion dec	+290		Sec motion dec	+289
Notes

rPM=0.004 (< 0.3, Physical double) This double is physical.

Precise pa	297.7		Precise sep	1.517		Constellation	Tucana		HIP	6375
Tycho2	8480-00346-1		HD	8394		CD	CD-58 285		CP	CP-58 98
Distance	57.14		Distance ly	186.39

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01220-5759	HDS 177		1991	2	309	1.6	9.85	12.66	G8/K0V		012157.28-575837.2
01220-5759	HDS 177		2010	3	300	1.5	9.85	12.66	G8/K0V		012157.28-575837.2
01220-5759	HDS 177		2015	4	298	1.5	9.85	12.66	G8/K0V		012157.28-575837.2

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