21506+3847 MLB 962

21^h 50^m 34.54^s +38° 46' 39.2" P.A. 322.00 sep 4.4 mag 12.10,12.30

Coord 2000	21506+3847	Discov num	MLB 962	Comp		Coord arcsec 2000	21 50 34.54 +38 46 39.2
Date first	1934	Date last	2016	Obs	8
Pa first	309	Pa last	321.7	P.A. Now (θ)	321.7°
Sep first	3.7	Sep last	4.368	Sep. Now (ρ)	4.368"
Mag pri	12.10	Mag sec	12.30	delta mag (ΔM)	0.2	Spectral class
Pri motion ra	+061	Sec motion ra	+038
Pri motion dec	-008	Sec motion dec	-017
Notes	R (Red magnitudes)

rPM=0.401

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1953296872197430528

WDS 21506+3847 MLB 962 : 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
21506+3847	MLB 962		2002	4	320	4.3	10.00	10.10		D	215034.32+384641.6
21506+3847	MLB 962		2015	6	322	4.4	12.10	12.30		R	215034.54+384639.2
21506+3847	MLB 962		2016	8	322	4.4	12.10	12.30		R	215034.54+384639.2

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

WDS 21506+3847 MLB 962 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21506+3847 MLB 962 : MEASURES

No records found.

WDS 21506+3847 : VIRTUAL EYEPIECE

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

WDS 21506+3847 : ALADIN DSS IMAGE @ 21^h 50^m 34.54^s +38° 46' 39.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21506+3847 MLB 962 : 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		21506+3847	MLB 962		322	4.4
Show		21492+3849	TDT3176		1	2.3	17
Show		21520+3857	COU1823		13	1.0	21
Show		21526+3841	MLB 991			4.4	25
Show		21520+3826	HDS3114		119	0.1	27
Show		21529+3901	SEI1542		172	29.7	31
Show		21490+3912	TDT3173		137	0.6	32
Show		21509+3918	MLB 788		52	4.9	32
Show		21493+3816	A 1448		331	4.7	34
Show		21487+3914	TDS1147		26	1.0	35
Show		21522+3817	TDT3205		142	0.5	36
Show		21481+3911	TDT3162		146	2.0	39
Show		21504+3927	HO 170		256	0.3	40
Show		21464+3847	MLB 961		4	6.5	49
Show		21484+3806	ALI 694		163	6.4	50
Show		21513+3938	TDT3196		234	2.1	52
Show		21550+3843	KU 62		54	1.6	52
Show		21550+3851	TDT3237		115	1.7	53
Show		21493+3937	SEI1536		147	28.1	53
Show		21512+3941	TDT3192		118	0.5	55
Show		21502+3750	ES 1996		337	2.3	57
Show		21466+3815	COU1639		204	1.8	57
Show		21505+3944	ES 211	AB	197	2.5	58
Show		21505+3944	ES 211	AC	178	10.1	58
Show		21505+3944	ES 211	AD	102	21.1	58
Show		21556+3849	A 1449		50	0.3	59
Show		21547+3814	TOK 638	AB	65	999.9	59
Show		21453+3853	TDT3139		65	0.5	62
Show		21512+3741	TDT3193		212	1.2	67
Show		21457+3800	DAM1461		190	1.7	74
Show		21514+3730	SEI1540		207	23.6	77
Show		21571+3858	SEI1545		324	5.8	77
Show		21459+3943	SEI1535		229	8.5	78
Show		21542+3953	HJ 1703		82	8.9	79
Show		21471+3737	GRV 504		21	53.5	81
Show		21450+3800	LDS1054		8	127.0	81
Show		21559+3752	ES 2524		277	6.2	83
Show		21458+3945	MLB 902		327	5.6	84
Show		21445+3933	A 1447		243	0.4	85
Show		21450+3942	GRV 499		170	67.4	86
Show		21576+3912	TDT3260		304	0.5	86
Show		21434+3817	S 799	BD	254	34.0	87
Show		21520+3722	CRB 144		109	12.2	87
Show		21436+3822	ES 2522		101	4.0	88
Show		21434+3817	KUI 109	Aa,Ab	142	1.9	89
Show		21434+3817	S 799	AB	60	149.5	89
Show		21434+3817	S 799	AC	318	135.3	89
Show		21506+4017	SEI1539		260	27.0	91
Show		21429+3904	GRV 496		72	29.9	92
Show		21454+3955	SEI1534		189	27.8	92
Show		21440+3757	SEI1533		13	25.7	92

WDS 21506+3847 : COMPONENTS

	A
B	pa=328.4° sep=4.03"

21506+3847 A

Componente originario normalizzato	AB		Coord arcsec 2000	215034.54+384639.2		Mag	12.1		PmRA	61.00
PmDE	-8.0

21506+3847 B

Componente originario normalizzato	AB		Coord arcsec 2000	215034.36+384642.6		Mag	12.3		PmRA	38.00
PmDE	-17.0		Calc delta mag	0.2		Calc coord	yes