00219-2300 RST5493BC

Coord 2000	00219-2300		Discov num	RST5493		Comp	BC		Coord arcsec 2000	00 21 52.67 -23 00 23.2
Date first	1949		Date last	2017		Obs	12
Pa first	91		Pa last	85		P.A. Now (θ)	85°
Sep first	0.2		Sep last	0.0		Sep. Now (ρ)	0"
Mag pri	9.90		Mag sec	9.90		delta mag (ΔM)	0		Spectral class
Pri motion ra	+133		Sec motion ra	+133
Pri motion dec	-115		Sec motion dec	-115
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			00219-2300	HJ 1957	A,BC	1830	2015	43	27	6.1	7.67	9.15	1.48
Show			00219-2300	RST5493	BC	1949	2017	12	85	0.0	9.90	9.90	0.00		<===

Triple system
4 visible stars in this system

Precise pa	85.1		Precise sep	0.039		Spectr	G1V		Constellation	Cetus
SAO	166213		HIP	1732		Tycho2	6413-00769-1		Gaia DR2	87101891072
HD	1766		CD	CD-23 111		Distance	59.49		Distance ly	194.06

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00219-2300	RST5493	BC	1978	6	90	0.1	9.90	9.90			002106.67-230000.0
00219-2300	RST5493	BC	2008	7	90	0.2	9.90	9.90			002152.67-230023.2
00219-2300	RST5493	BC	2011	9	90	0.2	9.90	9.90		N	002152.67-230023.2
00219-2300	RST5493	BC	2015	10	88	0.1	9.90	9.90		N	002152.67-230023.2
00219-2300	RST5493	BC	2017	12	85	0.0	9.90	9.90		N	002152.67-230023.2

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