04047+2158 SFR   1Aa,Ab

Coord 2000	04047+2158		Discov num	SFR   1		Comp	Aa,Ab		Coord arcsec 2000	04 04 39.37 +21 58 18.4
Date first	2006		Date last	2020		Obs	13
Pa first	285		Pa last	310		P.A. Now (θ)	310°
Sep first	0.0		Sep last	0.1		Sep. Now (ρ)	0.1"
Mag pri	10.70		Mag sec	10.70		delta mag (ΔM)	0		Spectral class	M3Ve (red)
Pri motion ra	-017		Sec motion ra
Pri motion dec	-025		Sec motion dec
Notes	K (K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		76428	04 04 39 +21 58 18	SFR 1 Aa,Ab	2020	13	310	0.1	10.70	10.70	0.00		<===
Show		76428	04 04 39 +21 58 18	LEI 8 AB	2015	12	67	7.3	14.93	15.05	0.12
Show		76428	04 04 40 +21 58 22	SFR 1 Ba,Bb	2020	11	72	0.1	10.80	10.80	0.00

Quadruple system
2 visible stars in this system

Precise pa	309.9		Precise sep	0.076		Constellation	Taurus		SAO	76428
Gaia DR2	53092775104124288

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
04047+2158	SFR 1	Aa,Ab	2014	6	303	0.1	10.70	10.70	M3Ve	K	040439.37+215818.4
04047+2158	SFR 1	Aa,Ab	2018	7	301	0.1	10.70	10.70	M3Ve	K	040439.37+215818.4
04047+2158	SFR 1	Aa,Ab	2019	12	310	0.1	10.70	10.70	M3Ve	K	040439.37+215818.4

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