00522-2237 STN   3AB

Coord 2000	00522-2237		Discov num	STN   3		Comp	AB		Coord arcsec 2000	00 52 12.81 -22 37 02.1
Date first	1877		Date last	2017		Obs	70
Pa first	272		Pa last	241		P.A. Now (θ)	241°
Sep first	2.5		Sep last	2.0		Sep. Now (ρ)	2"
Mag pri	7.63		Mag sec	8.39		delta mag (ΔM)	0.76		Spectral class	F8V (yellow-white)
Pri motion ra	-111		Sec motion ra	-115
Pri motion dec	-204		Sec motion dec	-211
Notes	N (See Notes)

rPM=0.034 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		166640	00522-2237	STN 3	AB	1877	2017	70	241	2.0	7.63	8.39	0.76		<===
Show		166640	00522-2237	STN 3	AC	1897	2015	11	146	12.9	7.63	12.00	4.37
Show		166640	00522-2237	STN 3	BD	2009	2009	1	337	0.6	8.40	12.40	4.00

Quadruple system
4 visible stars in this system

Precise pa	241.4		Precise sep	1.989		Constellation	Cetus		SAO	166640
HIP	4072		Tycho2	6422-00361-1		Gaia DR2	2349252278034926208		HD	5058
CD	CD-23 334		Distance	52.97		Distance ly	172.79

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00522-2237	STN 3	AB	2001	58	245	2.0	7.63	8.39	F8V	D	005212.88-223700.3
00522-2237	STN 3	AB	2008	59	243	2.0	7.63	8.39	F8V	D	005212.88-223700.3
00522-2237	STN 3	AB	2009	62	243	2.0	7.63	8.39	F8V	N D	005212.88-223700.3
00522-2237	STN 3	AB	2012	63	243	2.0	7.63	8.39	F8V	N	005212.88-223700.3
00522-2237	STN 3	AB	2014	64	242	2.0	7.63	8.39	F8V	N	005212.88-223700.3
00522-2237	STN 3	AB	2015	66	242	2.0	7.63	8.39	F8V	N	005212.88-223700.3
00522-2237	STN 3	AB	2017	70	241	2.0	7.63	8.39	F8V	N	005212.81-223702.1

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