01538+5911 STI1709

Coord 2000	01538+5911		Discov num	STI1709		Comp			Coord arcsec 2000	01 53 50.95 +59 10 40.5
Date first	1910		Date last	2015		Obs	10
Pa first	103		Pa last	101		P.A. Now (θ)	101°
Sep first	11.4		Sep last	11.0		Sep. Now (ρ)	11"
Mag pri	11.70		Mag sec	12.30		delta mag (ΔM)	0.6		Spectral class	B9 (blue-white)
Pri motion ra	-006		Sec motion ra	-007
Pri motion dec	+000		Sec motion dec	-001
Notes

rPM=0.2 (< 0.3, Physical double) This double is physical.

Precise pa	101.1		Precise sep	10.952		Constellation	Cassiopeia		Tycho2	3696-01415-1
Gaia DR2	4734970752

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01538+5911	STI1709		1999	3	101	10.9	11.70	12.30		D	015350.95+591040.5
01538+5911	STI1709		2003	4	101	10.9	11.70	12.30		D	015350.95+591040.5
01538+5911	STI1709		2012	5	102	11.0	11.70	12.30	B9		015350.95+591040.5
01538+5911	STI1709		2015	7	101	11.0	11.70	12.30	B9		015350.95+591040.5

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