21454+4356 HO 168 AD

Coord 2000	21454+4356		Discov num	HO  168		Comp	AD		Coord arcsec 2000	21 45 24.12 +43 56 08.1
Date first	1906		Date last	2014		Obs	7
Pa first	28		Pa last	21.3		P.A. Now (θ)	21.3°
Sep first	24.4		Sep last	28.31		Sep. Now (ρ)	28.31"
Mag pri	9.46		Mag sec	13.18		delta mag (ΔM)	3.72		Spectral class	K0 (yellow-orange)
Pri motion ra	+068		Sec motion ra
Pri motion dec	+008		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 207087	51261	21 45 24 +43 56 08	HO 168 AB	2016	33	42	0.8	9.46	9.55	0.09
Show		51261	21 45 24 +43 56 08	HO 168 AC	2014	6	267	18.7	9.46	14.20	4.74
Show		51261	21 45 24 +43 56 08	HO 168 AD	2014	7	21	28.3	9.46	13.18	3.72		<===
Show		51261	21 45 24 +43 56 08	HO 168 AE	2014	7	22	28.3	9.46	14.20	4.74

Quintuple system
5 estimated visually detectable stars in this system

Constellation	Cygnus		SAO	51261		Tycho2	3196-01988-1		Gaia DR2	1973071146442645760
HD	207087

No records found.

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Ho_1932A		cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)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
21454+4356	HO 168	AD	1906	1	28	24.4	9.55	13.80	K0		214524.08+435607.8
21454+4356	HO 168	AD	1998	2	12	21.0	9.55	13.80	K0	D	214524.12+435608.1
21454+4356	HO 168	AD	2002	3	13	21.1	9.46	13.80	K0	D	214524.12+435608.1
21454+4356	HO 168	AD	2014	4	21	28.3	9.46	13.18	K0		214524.12+435608.1

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No records found.


No records found.

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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

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS