01515+0457 STF 177

Coord 2000	01515+0457		Discov num	STF 177		Comp			Coord arcsec 2000	01 53 06.00 +04 58 47.9
Date first	1829		Date last	2015		Obs	35
Pa first	122		Pa last	121		P.A. Now (θ)	121°
Sep first	34.3		Sep last	30.8		Sep. Now (ρ)	30.8"
Mag pri	10.15		Mag sec	10.65		delta mag (ΔM)	0.5		Spectral class	K0 (yellow-orange)
Pri motion ra	+013		Sec motion ra	-001
Pri motion dec	-013		Sec motion dec	+001
Notes	N U (See Notes, Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=1.077 This double is not physical.

Precise pa	121.1		Precise sep	30.757		Constellation	Pisces		Tycho2	0033-00719-1
Gaia DR2	61651718400

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01515+0457	STF 177		2007	27	121	30.9	10.15	10.65	K0	NLD	015306.00+045847.9
01515+0457	STF 177		2008	28	121	30.9	10.15	10.65	K0	NLD	015306.00+045847.9
01515+0457	STF 177		2010	29	121	30.9	10.15	10.65	K0	NLD	015306.00+045847.9
01515+0457	STF 177		2015	32	121	30.8	10.15	10.65	K0	NL	015306.00+045847.9

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