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23300+5833
BU 1149 CI

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

23300+5833 BU 1149 CI

23^h 29^m 52.27^s +58° 32' 54.4" P.A. 189.00 sep 205.9 mag 7.23,9.87 Sp A1V

Coord 2000	23300+5833		Discov num	BU 1149		Comp	CI		Coord arcsec 2000	23 29 52.27 +58 32 54.4
Date first	1879		Date last	2015		Obs	5
Pa first	189		Pa last	188.5		P.A. Now (θ)	188.5°
Sep first	205.7		Sep last	205.88		Sep. Now (ρ)	205.88"
Mag pri	7.23		Mag sec	9.87		delta mag (ΔM)	2.64		Spectral class	A1V (white)
Pri motion ra	+019		Sec motion ra	+021
Pri motion dec	+004		Sec motion dec	+004
Notes	N (See Notes)

rPM=0.094 (< 0.3, Physical double)

This double is physical.

23300+5833 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	AR Cas	35478	23 30 02 +58 32 56	STT 496 AB	2017	14	1	0.7	4.87	9.30	4.43
Show		35478	23 30 02 +58 32 56	SHJ 355 AC	2018	51	269	75.0	4.87	7.23	2.36
Show		35478	23 30 02 +58 32 56	HJ 1888 AE	2012	20	117	39.9	4.87	11.28	6.41
Show		35478	23 30 02 +58 32 56	HJ 1888 AF	2012	16	338	67.2	4.87	10.59	5.72
Show		35478	23 30 02 +58 32 56	HJ 1888 AG	2012	10	347	66.9	4.87	11.10	6.23
Show		35478	23 30 02 +58 32 56	BU 1149 AI	2016	10	208	234.0	4.87	9.87	5.00
Show		35476	23 29 52 +58 32 54	DA 2 CD	2016	46	214	1.3	7.23	9.06	1.83
Show		35476	23 29 52 +58 32 54	HJ 1886 CH	2015	10	337	26.9	7.23	13.00	5.77
Show		35476	23 29 52 +58 32 54	BU 1149 CI	2015	5	189	205.9	7.23	9.87	2.64		<===
Show			23 29 59 +58 33 58	HJ 1887 FG	2015	31	73	10.8	10.59	11.10	0.51
Show			23 29 48 +58 29 31	BU 1149 Ia,Ib	2008	12	287	0.3	10.40	10.80	0.40

Decuple system
9 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Cassiopeia		SAO	35476		Tycho2	4011-01297-1		Gaia DR2	2011151357277942400
HD	221237		DM	BD+57 2747