00554+3040 BU  500

Coord 2000	00554+3040		Discov num	BU  500		Comp			Coord arcsec 2000	00 55 22.96 +30 39 41.9
Date first	1878		Date last	2015		Obs	69
Pa first	109		Pa last	123		P.A. Now (θ)	123°
Sep first	1.0		Sep last	0.6		Sep. Now (ρ)	0.6"
Mag pri	8.38		Mag sec	8.78		delta mag (ΔM)	0.4		Spectral class	A2 (white)
Pri motion ra	+028		Sec motion ra	+028
Pri motion dec	+001		Sec motion dec	+001
Notes

Nature of this double is uncertain.

Precise pa	122.7		Precise sep	0.59		Constellation	Pisces		SAO	54265
HIP	4327		Tycho2	2277-00367-1		HD	5315		BD	BD+29 150
Distance	257.73		Distance ly	840.72

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00554+3040	BU 500		2006	70	121	0.5	8.38	8.78	A2	D	005522.96+303941.9
00554+3040	BU 500		2008	71	123	0.5	8.38	8.78	A2	D	005522.96+303941.9
00554+3040	BU 500		2009	73	122	0.5	8.38	8.78	A2	D	005522.96+303941.9
00554+3040	BU 500		2015	69	123	0.6	8.38	8.78	A2		005522.96+303941.9

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