01563+5742 STI1720

Coord 2000	01563+5742		Discov num	STI1720		Comp			Coord arcsec 2000	01 56 17.47 +57 42 03.6
Date first	1910		Date last	2015		Obs	8
Pa first	232		Pa last	242		P.A. Now (θ)	242°
Sep first	3.4		Sep last	5.3		Sep. Now (ρ)	5.3"
Mag pri	11.95		Mag sec	13.10		delta mag (ΔM)	1.15		Spectral class
Pri motion ra	+002		Sec motion ra	-056
Pri motion dec	-004		Sec motion dec	-027
Notes

rPM=1.004 This double is not physical.

Precise pa	241.8		Precise sep	5.285		Constellation	Perseus		Tycho2	3692-00730-1
Gaia DR2	3667267968

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01563+5742	STI1720		1999	3	241	5.1	11.95	13.10		D	015617.47+574203.6
01563+5742	STI1720		2003	4	241	5.2	11.95	13.10		D	015617.47+574203.6
01563+5742	STI1720		2015	5	242	5.3	11.95	13.10			015617.47+574203.6

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