22116+2716 HO 289 BC

Coord 2000	22116+2716		Discov num	HO  289		Comp	BC		Coord arcsec 2000	22 11 33.83 +27 16 28.1
Date first	1887		Date last	2016		Obs	7
Pa first	321		Pa last	323.8		P.A. Now (θ)	323.8°
Sep first	3.0		Sep last	3.066		Sep. Now (ρ)	3.066"
Mag pri	11.80		Mag sec	12.10		delta mag (ΔM)	0.3		Spectral class
Pri motion ra	+009		Sec motion ra	-018
Pri motion dec	-024		Sec motion dec	+011
Notes	N (See Notes)

rPM=1.725 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 210685	90310	22 11 35 +27 15 31	HO 289 AB	2015	8	344	58.9	8.98	12.02	3.04
Show			22 11 34 +27 16 28	HO 289 BC	2016	7	324	3.1	11.80	12.10	0.30		<===
Show			22 11 34 +27 16 28	HO 289 BD	2015	5	275	17.4	12.02	13.99	1.97

Quadruple system
4 estimated visually detectable stars in this system

Constellation

Pegasus

Gaia DR2

1892411901139180928

discov_num	notes	refcode
HO 289	CD of ADS should probably read BD.

refcode	metd	author	reference
Ho_1883	Ma j	Hough, G.W.	1883MNRAS..43..371H
Ho_1883		MNRAS 43, 371, 1883 (data also in Ho_1890)	1890AN....125....1H
Ho_1884	Ma j	Hough, G.W.	1884MNRAS..44..365H
Ho_1884		MNRAS 44, 365, 1884 (data also in Ho_1890)	1890AN....125....1H
Ho_1885	Ma j	Hough, G.W.	1885MNRAS..45..417H
Ho_1885		MNRAS 45, 417, 1885 (data also in Ho_1890)	1890AN....125....1H
Ho_1886	Ma j	Hough, G.W.	1886MNRAS..46..393H
Ho_1886		MNRAS 46, 393, 1886 (data also in Ho_1890)	1890AN....125....1H
Ho_1887	Ma j	Hough, G.W.	1887AN....116..273H
Ho_1887		AN 116, 273, 1887
Ho_1890	Ma j	Hough, G.W.	1890AN....125....1H
Ho_1890		AN 125, 1, 1890
Ho_1890b	Ma j	Hough, G.W.	1890AJ......9..177H
Ho_1890b		AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b)	1890AN....125....1H
Ho_1894a	Ma -	Hough, G.W.	1894MNRAS..54..251H
Ho_1894a		MNRAS 54, 251, 1894
Ho_1894b	Ma j	Hough, G.W. (HO 304 - 490)	1894AN....135..281H
Ho_1894b		AN 135, 281, 1894
Ho_1894c	Ma -	Hough, G.W. (measure by Dembowski, H.)	1894AN....135..281H
Ho_1894c		AN 135, 281, 1894
Ho_1899a	Ma j	Hough, G.W.	1899AN....149..65H
Ho_1899a		AN 149, 65, 1899
Ho_1899b	Ma -	Hough, G.W. (measure by Burnham, S.W.)	1899AN....149..65H
Ho_1899b		AN 149, 65, 1899
Ho_1907	Ma -	Hough, G.W.	1907PFAO....3c...1D
Ho_1907		Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A	Ma -	Hough, G.W.	1932QB821.A43......
Ho_1932A		cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
22116+2716	HO 289	BC	1905	3	327	2.6	11.60	12.10		N	221133.83+271628.2
22116+2716	HO 289	BC	2001	4	324	3.0	11.80	12.10		N	221133.83+271628.2
22116+2716	HO 289	BC	2015	5	324	3.1	11.80	12.10		N	221133.83+271628.1
22116+2716	HO 289	BC	2016	7	324	3.1	11.80	12.10		N	221133.83+271628.1

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

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