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00028+8017
STF3051

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

00028+8017 STF3051

00^h 02^m 46.53^s +80° 16' 56.2" P.A. 24.00 sep 17.0 mag 7.74,9.47 Sp F2V dist. 148.81 pc (485.42 l.y.)

Coord 2000	00028+8017		Discov num	STF3051		Comp			Coord arcsec 2000	00 02 46.53 +80 16 56.2
Date first	1832		Date last	2020		Obs	39
Pa first	24		Pa last	24		P.A. Now (θ)	24°
Sep first	16.5		Sep last	17.0		Sep. Now (ρ)	17"
Mag pri	7.74		Mag sec	9.47		delta mag (ΔM)	1.73		Spectral class	F2V (yellow-white)
Pri motion ra	+048		Sec motion ra	+048
Pri motion dec	+017		Sec motion dec	+014
Notes	Z (Parallax indicates components are physical)

rPM=0.059 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	23.7		Precise sep	16.984		Constellation	Cepheus		SAO	2
HIP	221		Tycho2	4500-00783-1		Gaia DR2	565057240473317888		HD	225020
BD	BD+79 799		Distance	148.81		Distance ly	485.42

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00028+8017	STF3051		2000	30	24	16.7	7.74	9.47	F2V	ZD	000246.53+801656.2
00028+8017	STF3051		2010	31	24	16.7	7.74	9.47	F2V	ZD	000246.53+801656.2
00028+8017	STF3051		2015	33	23	16.8	7.74	9.47	F2V	Z	000246.53+801656.2

If you need more information about this double, apply for a data request form to the WDS.