01551+5715 STI1713

Coord 2000	01551+5715		Discov num	STI1713		Comp			Coord arcsec 2000	01 55 07.46 +57 14 53.4
Date first	1911		Date last	2015		Obs	7
Pa first	192		Pa last	191		P.A. Now (θ)	191°
Sep first	10.1		Sep last	10.2		Sep. Now (ρ)	10.2"
Mag pri	11.04		Mag sec	12.20		delta mag (ΔM)	1.16		Spectral class
Pri motion ra	-003		Sec motion ra	-004
Pri motion dec	-001		Sec motion dec	-002
Notes

rPM=0.316 Nature of this double is uncertain.

Precise pa	191.2		Precise sep	10.172		Constellation	Perseus		Tycho2	3692-01507-1
Gaia DR2	504961130363855360

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01551+5715	STI1713		2000	4	191	10.2	11.04	12.20		D	015507.46+571453.4
01551+5715	STI1713		2003	5	191	10.2	11.04	12.20		D	015507.46+571453.4
01551+5715	STI1713		2010	6	192	10.2	11.04	12.20			015507.46+571453.4
01551+5715	STI1713		2015	7	191	10.2	11.04	12.20			015507.46+571453.4

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