01172+0201 HDO  45

Coord 2000	01172+0201		Discov num	HDO  45		Comp			Coord arcsec 2000	01 17 09.79 +02 00 55.0
Date first	1868		Date last	2015		Obs	21
Pa first	90		Pa last	103		P.A. Now (θ)	103°
Sep first	20.0		Sep last	38.2		Sep. Now (ρ)	38.2"
Mag pri	7.36		Mag sec	9.65		delta mag (ΔM)	2.29		Spectral class	G5 (yellow)
Pri motion ra	-001		Sec motion ra	+004
Pri motion dec	+007		Sec motion dec	-018
Notes	L (Linear solution)

rPM=1.383 This double is not physical.

Precise pa	103.2		Precise sep	38.169		Constellation	Cetus		HIP	6000
Tycho2	0020-00595-1		HD	7736		BD	BD+01 241		Distance	309.6
Distance ly	1009.92		last precise pa	103.2		last precise sep	38.169

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01172+0201	HDO 45		2000	15	103	38.0	7.36	9.65	G5	D	011709.79+020055.0
01172+0201	HDO 45		2010	16	103	38.1	7.36	9.65	G5	D	011709.79+020055.0
01172+0201	HDO 45		2011	18	103	38.0	7.36	9.65	G5	LD	011709.79+020055.0
01172+0201	HDO 45		2015	21	103	38.2	7.36	9.65	G5	L	011709.79+020055.0

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