01317+6103 STF 128

Coord 2000	01317+6103		Discov num	STF 128		Comp			Coord arcsec 2000	01 31 41.16 +61 02 34.3
Date first	1901		Date last	2015		Obs	18
Pa first	306		Pa last	310		P.A. Now (θ)	310°
Sep first	12.7		Sep last	11.4		Sep. Now (ρ)	11.4"
Mag pri	8.10		Mag sec	10.41		delta mag (ΔM)	2.31		Spectral class	B7III (blue-white)
Pri motion ra	-002		Sec motion ra	+012
Pri motion dec	-002		Sec motion dec	-002
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.151 This double is not physical.

Precise pa	310.1		Precise sep	11.36		Constellation	Cassiopeia		SAO	11798
Tycho2	4031-02715-1		Gaia DR2	8683373568		HD	9145

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01317+6103	STF 128		2007	12	309	11.3	8.10	9.80	B7III	N D	013141.16+610234.3
01317+6103	STF 128		2015	14	310	11.4	8.10	10.41	B7III	N	013141.16+610234.3

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