01175+2105 STF 107

Coord 2000	01175+2105		Discov num	STF 107		Comp			Coord arcsec 2000	01 17 28.27 +21 05 06.7
Date first	1830		Date last	2019		Obs	24
Pa first	68		Pa last	69		P.A. Now (θ)	69°
Sep first	20.8		Sep last	21.1		Sep. Now (ρ)	21.1"
Mag pri	8.82		Mag sec	10.69		delta mag (ΔM)	1.87		Spectral class	G5 (yellow)
Pri motion ra	-023		Sec motion ra	-022
Pri motion dec	-033		Sec motion dec	-034
Notes	V (Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.035 (< 0.3, Physical double) This double is physical.

Precise pa	68.7		Precise sep	21.06		Constellation	Pisces		SAO	74611
Tycho2	1203-00833-1		Gaia DR2	06930053760		HD	7745

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01175+2105	STF 107		2000	15	68	21.2	8.82	10.69	G5	D	011728.27+210506.7
01175+2105	STF 107		2009	16	68	21.2	8.82	10.69	G5	D	011728.27+210506.7
01175+2105	STF 107		2012	19	68	21.1	8.82	10.69	G5		011728.27+210506.7
01175+2105	STF 107		2015	21	68	21.1	8.82	10.69	G5		011728.27+210506.7
01175+2105	STF 107		2019	24	69	21.1	8.82	10.69	G5	V	011728.27+210506.7

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