20456+2553 J 1074

20^h 45^m 32.12^s +25° 55' 01.0" P.A. 299.00 sep 2.3 mag 10.40,10.80

Coord 2000	20456+2553	Discov num	J 1074	Comp		Coord arcsec 2000	20 45 32.12 +25 55 01.0
Date first	1914	Date last	2016	Obs	6
Pa first	294	Pa last	298.5	P.A. Now (θ)	298.5°
Sep first	1.9	Sep last	2.293	Sep. Now (ρ)	2.293"
Mag pri	10.40	Mag sec	10.80	delta mag (ΔM)	0.4	Spectral class
Pri motion ra	-019	Sec motion ra
Pri motion dec	-024	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Gaia DR2

1844024421624388352

WDS 20456+2553 J 1074 : NOTES

discov_num	notes	refcode
J 1074	Precise coordinates have been corrected, following an examination of
	this system by Nanson & Knapp (2017).	Nsn2017e

REFERENCES

refcode	metd	author	reference
Nsn2017e	not -	Nanson, J. & Knapp, W.	...................
Nsn2017e		private communication, 2017

DISCOVERER

idgroup	discov	author
1	J	Jonckheere, R.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20456+2553	J 1074		1994	4	307	2.6	10.40	10.80			204538.31+255216.8
20456+2553	J 1074		2015	5	298	2.1	10.40	10.80		N	204532.12+255501.0
20456+2553	J 1074		2016	6	299	2.3	10.40	10.80		N	204532.12+255501.0

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

WDS 20456+2553 J 1074 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20456+2553 J 1074 : MEASURES

No records found.

WDS 20456+2553 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 20456+2553 : ALADIN DSS IMAGE @ 20^h 45^m 32.12^s +25° 55' 01.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20456+2553 J 1074 : 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		20456+2553	J 1074		299	2.3	1
Show		20447+2601	HEI 182		207	0.9	13
Show		20444+2558	COU 726		273	1.2	16
Show		20462+2526	POU4974		106	17.3	31
Show		20433+2549	BUP 217	AB	285	17.2	31
Show		20433+2549	BUP 217	AC	208	39.7	31
Show		20433+2549	BUP 217	AD	102	387.7	31
Show		20433+2549	BUP 217	AE	286	442.7	31
Show		20455+2522	POU4957		293	20.0	34
Show		20434+2536	HO 138	AB	343	3.0	35
Show		20434+2536	HO 138	AC	304	127.9	35
Show		20434+2536	HO 138	CD	6	3.5	36
Show		20471+2525	BU 364		75	0.7	37
Show		20440+2525	POU4932		14	9.0	37
Show		20433+2616	COU1039		237	1.0	38
Show		20485+2540	TDT2553		347	0.6	43
Show		20462+2513	POU4972		279	13.8	44
Show		20445+2514	POU4937		276	6.5	44
Show		20461+2638	BRT 217		80	4.3	45
Show		20482+2622	COU 827	Aa,Ab	332	0.6	45
Show		20482+2622	TDT2548	AB	148	0.6	45
Show		20449+2640	STJ 56		251	0.8	46
Show		20482+2624	FYM 66	EF	301	15.1	46
Show		20450+2510	POU4951		52	5.2	46
Show		20436+2518	POU4923		309	15.5	46
Show		20455+2509	POU4959		139	14.0	46
Show		20482+2624	STF2728	AB	25	10.5	47
Show		20482+2624	STF2728	AC	213	19.4	47
Show		20482+2624	FYM 66	AF	295	129.1	47
Show		20482+2624	FYM 66	AD	193	59.8	47
Show		20482+2624	FYM 66	AE	294	114.1	47
Show		20478+2519	POU4996	DH	127	12.0	47
Show		20478+2519	WSI 49	BE	141	5.1	48
Show		20478+2519	BUP 218	AB	37	49.4	48
Show		20478+2519	BUP 218	AC	99	102.9	48
Show		20478+2519	BUP 218	AD	252	154.0	48
Show		20478+2519	DAM 514	AF	100	44.2	48
Show		20478+2519	BKO 856	FG	178	9.1	49
Show		20490+2544	J 3111		138	6.3	49
Show		20490+2540	HDS2966		229	0.5	49
Show		20440+2510	POU4931		300	12.2	51
Show		20439+2510	POU4930		163	8.6	51
Show		20465+2506	POU4980	AB	145	7.5	52
Show		20465+2506	POU4979	AC	105	13.1	52
Show		20443+2504	POU4934		332	4.9	54
Show		20483+2515	POU5004		324	15.0	55
Show		20448+2500	BRT3361		140	4.9	56
Show		20464+2501	POU4976		224	17.0	56
Show		20436+2505	POU4924		61	6.0	57
Show		20487+2517	POU5015		78	14.6	58
Show		20482+2508	POU5003		208	14.4	59

WDS 20456+2553 : COMPONENTS

	A
B	pa=301.1° sep=2.12"

20456+2553 A

Componente originario normalizzato	AB		Coord arcsec 2000	204532.12+255501.0		Mag	10.4		PmRA	-19.00
PmDE	-24.0

20456+2553 B

Componente originario normalizzato	AB		Coord arcsec 2000	204531.99+255502.1		Mag	10.8		Calc delta mag	0.4
Calc coord	yes