01256+3133 STT  30AC

Coord 2000	01256+3133		Discov num	STT  30		Comp	AC		Coord arcsec 2000	01 25 34.17 +31 33 01.9
Date first	1843		Date last	2018		Obs	43
Pa first	105		Pa last	106		P.A. Now (θ)	106°
Sep first	54.0		Sep last	56.7		Sep. Now (ρ)	56.7"
Mag pri	8.09		Mag sec	8.06		delta mag (ΔM)	0.03		Spectral class	F8 (yellow-white)
Pri motion ra	+159		Sec motion ra	+157
Pri motion dec	-047		Sec motion dec	-049
Notes	N Z V (See Notes, Parallax indicates components are physical, Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.017 (< 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		54687	01256+3133	STT 30	AB	1855	2015	20	245	4.4	8.09	11.80	3.71
Show		54687	01256+3133	STT 30	AC	1843	2018	43	106	56.7	8.09	8.06	0.03		<===
Show		54687	01256+3133	STT 30	AD	1907	2015	7	204	21.4	8.09	14.30	6.21

Quadruple system
4 visible stars in this system

Precise pa	105.7		Precise sep	56.7		Constellation	Pisces		SAO	54687
HIP	6668		Tycho2	2292-01192-1		Gaia DR2	1093206656		HD	8624
BD	BD+30 218		Distance	64.1		Distance ly	209.09

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01256+3133	STT 30	AC	2002	31	106	56.8	8.09	8.06		ZDV	012534.17+313301.9
01256+3133	STT 30	AC	2011	35	106	56.8	8.09	8.06		NZDV	012534.17+313301.9
01256+3133	STT 30	AC	2012	39	106	57.2	8.09	8.06		NZDV	012534.17+313301.9
01256+3133	STT 30	AC	2015	40	106	56.6	8.09	8.06	F8	NZ V	012534.17+313301.9
01256+3133	STT 30	AC	2018	43	106	56.7	8.09	8.06	F8	NZ V	012534.17+313301.9

If you need more information about this double, apply for a data request form to the WDS.