20176+2754 HO 591

20^h 17^m 31.17^s +27° 54' 04.9" P.A. 293.00 sep 2.7 mag 9.50,10.00 Sp K7

Coord 2000	20176+2754	Discov num	HO 591	Comp		Coord arcsec 2000	20 17 31.17 +27 54 04.9
Date first	1897	Date last	2016	Obs	13
Pa first	297	Pa last	293.1	P.A. Now (θ)	293.1°
Sep first	2.0	Sep last	2.704	Sep. Now (ρ)	2.704"
Mag pri	9.50	Mag sec	10.00	delta mag (ΔM)	0.5	Spectral class	K7 (yellow-orange)
Pri motion ra	-002	Sec motion ra
Pri motion dec	-014	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Gaia DR2

1836952019251292032

WDS 20176+2754 HO 591 : NOTES

No records found.

REFERENCES

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Ho_1932A		cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20176+2754	HO 591		2001	10	294	2.8	9.50	10.00			201731.17+275404.9
20176+2754	HO 591		2002	11	293	2.6	9.50	10.00			201731.17+275404.9
20176+2754	HO 591		2015	12	293	2.7	9.50	10.00	K7		201731.17+275404.9
20176+2754	HO 591		2016	13	293	2.7	9.50	10.00	K7		201731.17+275404.9

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

WDS 20176+2754 HO 591 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20176+2754 HO 591 : MEASURES

No records found.

WDS 20176+2754 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 20176+2754 : ALADIN DSS IMAGE @ 20^h 17^m 31.17^s +27° 54' 04.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20176+2754 HO 591 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20176+2754	HO 591		293	2.7	1
Show		20165+2747	HDS2889		116	0.2	17
Show		20166+2806	MLB 608		227	9.3	17
Show		20158+2749	CHR 94	Aa,Ab	331	0.0	24
Show		20158+2749	MCA 60	AB	148	0.1	24
Show		20181+2730	HDS2898		153	0.2	25
Show		20167+2729	COU1168		24	0.3	28
Show		20195+2740	MLB 609	BC	282	17.4	30
Show		20195+2740	MLB 609	AB	280	5.5	30
Show		20145+2808	BRT 47	AB	232	4.8	40
Show		20145+2808	BRT 47	AC	215	40.4	40
Show		20196+2727	MLB 610	BC	287	8.1	40
Show		20201+2735	TDT2179		161	0.7	40
Show		20196+2727	MLB 610	AB	26	63.3	40
Show		20186+2833	HJ 1501	AB	355	12.9	41
Show		20186+2833	HJ 1501	AC	349	57.3	41
Show		20186+2833	HJ 1501	CD	12	20.2	42
Show		20207+2808	TDT2195		346	0.4	45
Show		20201+2716	KPP3357		293	3.8	51
Show		20213+2736	TDT2202			0.4	53
Show		20165+2702	TDT2134		16	2.5	54
Show		20160+2703	A 389		213	1.7	55
Show		20137+2732	HDS2882	AB	341	0.1	56
Show		20188+2849	J 3073		16	4.5	57
Show		20149+2840	HO 122	AB	72	1.4	58
Show		20149+2840	HO 122	AC	152	19.9	58
Show		20173+2651	TDT2143		111	0.5	63
Show		20222+2736	MLB 611		206	9.9	65
Show		20204+2702	TDT2187		332	0.5	65
Show		20128+2725	MLB 706		172	2.1	70
Show		20155+2648	TDT2124		122	0.6	72
Show		20223+2826	TDT2214		8	1.0	72
Show		20175+2909	POP1229	Aa,Ab	217	0.4	75
Show		20175+2909	BU 441	AB	64	6.2	75
Show		20123+2824	TDT2081		157	0.5	76
Show		20153+2643	FOX 35		248	1.9	77
Show		20184+2637	TDT2153		147	0.5	78
Show		20122+2829	MLB 660		290	6.2	79
Show		20182+2912	A 1205		96	1.2	79
Show		20180+2913	POP 200		205	6.4	80
Show		20140+2859	TDS1052		164	1.6	80
Show		20227+2837	COU1169	AB	59	0.3	81
Show		20227+2837	COU1169	AC	175	1.7	81
Show		20115+2740	TDT2067		344	0.7	82
Show		20229+2708	ARN 50	CD	186	25.9	84
Show		20191+2915	COU1477		102	0.6	84
Show		20229+2708	STF2676	AB	170	3.0	85
Show		20229+2708	ARN 50	AC	331	84.8	85
Show		20229+2708	ARN 50	AD	318	65.2	85
Show		20241+2746	TDT2238		205	0.4	88
Show		20177+2922	TDT2145		186	0.7	88

WDS 20176+2754 : COMPONENTS

	A
B	pa=295.8° sep=2.44"

20176+2754 A

Componente originario normalizzato	AB		Coord arcsec 2000	201731.17+275404.9		Mag	9.5		Spectral class	K7 (yellow-orange)
PmRA	-2.00		PmDE	-14.0

20176+2754 B

Componente originario normalizzato	AB		Coord arcsec 2000	201731.00+275406.0		Mag	10		Calc delta mag	0.5
Calc coord	yes