20422+2852 MLB 664

20^h 42^m 10.27^s +28° 52' 30.8" P.A. 172.00 sep 4.7 mag 12.40,12.30

Coord 2000	20422+2852	Discov num	MLB 664	Comp		Coord arcsec 2000	20 42 10.27 +28 52 30.8
Date first	1930	Date last	2016	Obs	7
Pa first	164	Pa last	171.6	P.A. Now (θ)	171.6°
Sep first	4.2	Sep last	4.71	Sep. Now (ρ)	4.71"
Mag pri	12.40	Mag sec	12.30	delta mag (ΔM)	0.1	Spectral class
Pri motion ra	-017	Sec motion ra	-004
Pri motion dec	+017	Sec motion dec	-011
Notes	R (Red magnitudes)

rPM=1.284

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Gaia DR2

1858879717080500864

WDS 20422+2852 MLB 664 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Mlb1918	Mb -	Milburn, W. (Espin, T.E.)	1918MNRAS..78..189E
Mlb1918		MNRAS 78, 189, 1918 (MLB 1 - 35; measures by Espin)
Mlb1919	Mb -	Milburn, W. (Espin, T.E.)	1919MNRAS..79..211E
Mlb1919		MNRAS 79, 211, 1919 (MLB 36 - 106; measures by Espin)
Mlb1920	Mb -	Milburn, W.	1920MNRAS..80..329M
Mlb1920		MNRAS 80, 329, 1920 (MLB 107 - 149)
Mlb1921	Mb -	Milburn, W.	1921MNRAS..81..232E
Mlb1921		MNRAS 81, 232, 1921 (MLB 150 - 182)
Mlb1922	Mb j	Milburn, W. (Espin, T.E.)	1922MNRAS..82..187E
Mlb1922		MNRAS 82, 187, 1922 (MLB 183 - 241; measures by Espin)
Mlb1923	Mb -	Milburn, W.	1923MNRAS..83..154E
Mlb1923		MNRAS 83, 154, 1923 (MLB 242 - 275)
Mlb1924	Mb -	Milburn, W.	1924MNRAS..84..162E
Mlb1924		MNRAS 84, 162, 1924 (MLB 276 - 322)
Mlb1925	Mb j	Milburn, W.	1925MNRAS..85..276E
Mlb1925		MNRAS 85, 276, 1925 (MLB 323 - 376)
Mlb1926	Mb -	Milburn, W.	1926MNRAS..86..131E
Mlb1926		MNRAS 86, 131, 1926 (MLB 377 - 440)
Mlb1927	Mb j	Milburn, W.	1927MNRAS..87..215E
Mlb1927	+Po	MNRAS 87, 215, 1927 (MLB 441 - 510)
Mlb1928	Mb -	Milburn, W.	1928MNRAS..88..185E
Mlb1928		MNRAS 88, 185, 1928 (MLB 511 - 551)
Mlb1929	Mb -	Milburn, W.	1929MNRAS..89..268E
Mlb1929		MNRAS 89, 268, 1929 (MLB 552 - 591)
Mlb1930	Mb -	Milburn, W.	1930MNRAS..90..317E
Mlb1930		MNRAS 90, 317, 1930 (MLB 592 - 630)
Mlb1931	Mb j	Milburn, W.	1931MNRAS..91..294E
Mlb1931		MNRAS 91, 294, 1931 (MLB 631 - 673)
Mlb1932	Ma -	Milburn, W.	1932MNRAS..92..214E
Mlb1932	+Mb	MNRAS 92, 214, 1932 (MLB 674 - 732)
Mlb1932B	Ma -	Milburn, W.	1932QB821.A43......
Mlb1932B		cited by ADS (Aitken Double Star Cat., 1932)
Mlb1933	Ma j	Milburn, W.	1933MNRAS..93..192E
Mlb1933	+Mb	MNRAS 93, 192, 1933 (MLB 733 - 806)
Mlb1934	Mb j	Milburn, W.	1934MNRAS..94..255M
Mlb1934		MNRAS 94, 255, 1934 (MLB 807 - 912)
Mlb1935	Mb j	Milburn, W.	1935MNRAS..95..298M
Mlb1935		MNRAS 95, 298, 1935 (MLB 913 - 969)
Mlb1936	Mb -	Milburn, W.	1936MNRAS..96..266M
Mlb1936		MNRAS 96, 266, 1936 (MLB 970 - 997)
Mlb1937	Ma -	Milburn, W.	1937MNRAS..97..222M
Mlb1937	+Mb	MNRAS 97, 222, 1937 (MLB 998 - 1025)
Mlb1938	Ma -	Milburn, W.	1938MNRAS..98..223M
Mlb1938	+Mb	MNRAS 98, 223, 1938 (MLB 1026 - 1032)
Mlb1939	Mb -	Milburn, W.	1939MNRAS..99..278M
Mlb1939		MNRAS 99, 278, 1939 (MLB 1033 - 1051)
Mlb9999	Mb -	Milburn, W.	...................
Mlb9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20422+2852	MLB 664		2006	4	170	5.0	9.90	9.90		D	204210.30+285228.5
20422+2852	MLB 664		2016	7	172	4.7	12.40	12.30		R	204210.27+285230.8

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

WDS 20422+2852 MLB 664 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20422+2852 MLB 664 : MEASURES

No records found.

WDS 20422+2852 : VIRTUAL EYEPIECE

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

WDS 20422+2852 : ALADIN DSS IMAGE @ 20^h 42^m 10.27^s +28° 52' 30.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20422+2852 MLB 664 : NEIGHBORHOODS

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

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20422+2852	MLB 664		172	4.7
Show		20423+2837	HJ 1561		275	9.4	15
Show		20407+2848	MLB 533		269	3.4	19
Show		20401+2906	TDT2458		197	2.4	31
Show		20445+2856	MLB 710		180	7.6	31
Show		20413+2922	ARY 29		143	119.3	32
Show		20400+2835	TDS1088		153	0.9	34
Show		20447+2857	TDT2514		130	1.8	34
Show		20402+2916	FMR 160		215	59.7	35
Show		20411+2925	ES 508	AB	232	2.5	36
Show		20411+2925	ES 508	AC	226	18.2	36
Show		20393+2906	HO 136		358	2.6	40
Show		20435+2930	NSN 735		111	0.8	41
Show		20448+2825	AG 411		20	2.9	45
Show		20422+2939	COU1175		138	3.5	47
Show		20387+2910	L 69		89	3.0	49
Show		20385+2909	HO 458		101	2.3	51
Show		20463+2853	TDT2530		27	0.6	55
Show		20461+2916	MLB 711		39	6.2	57
Show		20429+2754	MLB 709		323	2.7	60
Show		20406+2948	HO 137	AB	358	0.8	60
Show		20406+2948	GII 290	Aa,Ab	43	0.1	60
Show		20403+2947	STF2714		338	6.8	60
Show		20374+2847	MLB 483		69	8.6	62
Show		20411+2751	TDT2471		2	0.2	64
Show		20399+2753	MLB 613		143	8.2	67
Show		20416+3000	COU1174		32	0.3	68
Show		20382+2806	MLB 612		168	6.6	70
Show		20371+2830	TDT2426	AB	259	2.6	71
Show		20412+3001	COU1173		46	1.1	71
Show		20385+2945	COU1172		100	0.3	71
Show		20439+3005	TDS1097		357	0.9	76
Show		20378+2943	A 742	A,BC	343	56.8	77
Show		20407+3007	TDT2467		160	0.8	77
Show		20368+2823	MLB 482		269	8.5	77
Show		20378+2943	A 742	BC	132	1.2	77
Show		20413+3012	ARY 28	AB	332	62.8	80
Show		20413+3012	ARY 28	AC	35	102.2	80
Show		20429+2732	J 513		163	4.0	81
Show		20381+2953	A 744		272	0.7	81
Show		20378+2951	TDT2435		143	2.3	82
Show		20474+2808	BRT3363		159	4.0	83
Show		20483+2832	GRV 382		39	64.3	84
Show		20381+2958	A 743		309	1.2	85
Show		20371+2953	MLB 663		265	4.3	89
Show		20368+2951	BTN 1		1	13.8	90
Show		20374+2958	HJ 1547		8	17.0	90
Show		20461+2740	TDT2527		94	2.0	90
Show		20451+3014	ES 367		244	6.9	91
Show		20463+2740	MLB 712	AB	43	8.5	91
Show		20463+2740	MLB 712	AC	126	24.1	91

WDS 20422+2852 : COMPONENTS

	A
B	pa=172.6° sep=4.70"

20422+2852 A

Componente originario normalizzato	AB		Coord arcsec 2000	204210.27+285230.8		Mag	12.4		PmRA	-17.00
PmDE	17.0

20422+2852 B

Componente originario normalizzato	AB		Coord arcsec 2000	204210.32+285226.1		Mag	12.3		PmRA	-4.00
PmDE	-11.0		Calc delta mag	0.1		Calc coord	yes