00420-2457 RST2250AB

Coord 2000	00420-2457		Discov num	RST2250		Comp	AB		Coord arcsec 2000	00 42 02.20 -24 57 02.2
Date first	1909		Date last	2015		Obs	7
Pa first	283		Pa last	282		P.A. Now (θ)	282°
Sep first	26.3		Sep last	27.1		Sep. Now (ρ)	27.1"
Mag pri	9.97		Mag sec	11.38		delta mag (ΔM)	1.41		Spectral class	G0V (yellow)
Pri motion ra	+010		Sec motion ra	+006
Pri motion dec	-013		Sec motion dec	-006
Notes	Y (Parallax indicates components are non-physical)

rPM=0.492 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		166494	00420-2457	RST2250	AB	1909	2015	7	282	27.1	9.97	11.38	1.41		<===
Show		166494	00420-2457	RST2250	BC	1935	1949	3	306	0.6	11.38	13.30	1.92

Triple system
3 visible stars in this system

Precise pa	282.4		Precise sep	27.09		Constellation	Sculptor		SAO	166494
HIP	3295		Tycho2	6421-00786-1		Gaia DR2	2347099644721256192		HD	3954
CD	CD-25 268		Distance	207.9		Distance ly	678.17

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00420-2457	RST2250	AB	1998	5	283	27.4	9.97	11.38	G0V	YD	004202.20-245702.2
00420-2457	RST2250	AB	1999	6	283	27.3	9.97	11.38	G0V	Y	004202.20-245702.2
00420-2457	RST2250	AB	2015	7	282	27.1	9.97	11.38	G0V	Y	004202.20-245702.2

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