20458+7219 MLB 421

20^h 45^m 57.48^s +72° 18' 31.0" P.A. 251.00 sep 1.9 mag 12.20,13.00

Coord 2000	20458+7219	Discov num	MLB 421	Comp		Coord arcsec 2000	20 45 57.48 +72 18 31.0
Date first	1925	Date last	2016	Obs	3
Pa first	254	Pa last	251	P.A. Now (θ)	251°
Sep first	1.9	Sep last	1.881	Sep. Now (ρ)	1.881"
Mag pri	12.20	Mag sec	13.00	delta mag (ΔM)	0.8	Spectral class
Pri motion ra	+010	Sec motion ra	+010
Pri motion dec	+023	Sec motion dec	+022
Notes	T (Parallax indicates physical)

rPM=0.04 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cepheus

Gaia DR2

2275113858241188224

ADS

14303

WDS 20458+7219 MLB 421 : 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
20458+7219	MLB 421		1925	1	254	1.9	10.00	10.60		X
20458+7219	MLB 421		2015	2	251	1.9	12.20	13.00		T	204557.48+721831.0
20458+7219	MLB 421		2016	3	251	1.9	12.20	13.00		T	204557.48+721831.0

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

WDS 20458+7219 MLB 421 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20458+7219 MLB 421 : MEASURES

No records found.

WDS 20458+7219 : VIRTUAL EYEPIECE

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

WDS 20458+7219 : ALADIN DSS IMAGE @ 20^h 45^m 57.48^s +72° 18' 31.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20458+7219 MLB 421 : 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		20458+7219	MLB 421		251	1.9
Show		20458+7146	SKF1249		281	39.0	33
Show		20493+7131	MLB 422		203	5.5	50
Show		20515+7304	LDS1941		234	1.6	52
Show		20339+7229	LDS1933		175	7.0	57
Show		20592+7224	MLB 423		247	5.9	62
Show		20408+7319	LDS1939		227	18.9	66
Show		20571+7138	TDT2652		307	0.6	67
Show		20380+7119	MLB 420		276	3.6	70
Show		20464+7332	TDS1099		336	1.2	74
Show		21012+7258	A 880		43	0.3	80
Show		20274+7245	A 871		184	0.3	88
Show		20561+7052	TDT2640		318	0.7	100
Show		20465+7036	MLB 363		211	3.2	103
Show		20282+7333	MLR 233		88	1.2	109
Show		20353+7030	A 873		68	0.3	120
Show		21045+7046	STF2771		33	2.7	128
Show		20485+7429	MLR 238		20	0.2	132
Show		20597+7417	A 879		138	4.4	133
Show		20454+7000	MLR 93		210	0.1	139
Show		20544+6957	A 1216	CD	82	0.9	147
Show		21002+7432	CBL 530		285	48.6	148
Show		20544+6957	A 1216	AB	327	20.1	148
Show		20544+6957	A 1216	AC	346	38.6	148
Show		20335+7002	TDT2370		148	0.7	150
Show		20284+7015	MLB 362		26	5.4	150
Show		21027+7005	TDT2710		42	0.4	157
Show		20500+7455	VKI 38		297	2.8	158
Show		20593+7455	A 878		48	2.9	167
Show		21050+7000	LDS1944		349	48.0	167
Show		20485+7517	LDS1940		133	10.0	181
Show		21052+6942	MLB 303			6.1	183
Show		21057+7501	TDT2739		1	2.0	183
Show		20520+6910	JOD 19		172	0.5	191
Show		21001+6917	TDT2686		42	2.4	195
Show		20272+7522	TDT2285		154	0.6	200
Show		20374+7536	HEI 7		231	0.7	201
Show		20550+7547	LDS1942		346	2.7	213
Show		20376+6834	TDT2433		101	1.0	229
Show		20273+6846	HDS2925		91	0.7	232
Show		20562+7611	UC 4336		300	22.3	236
Show		21040+7604	SLW1229		1	16.6	238
Show		20369+6818	MLB 299		204	7.6	245
Show		20354+7619	OSW 17		198	65.6	245
Show		21016+6810	LI 6	AB	168	2.5	261
Show		20304+7634	TDT2327		320	0.6	263
Show		20339+6801	MLB1089		354	9.2	266
Show		20557+7648	UC 4331		35	15.6	273
Show		20546+7653	LOC 460		81	6.6	277
Show		20284+6756	TDT2309		232	0.7	278
Show		20512+7656	SLW1227		136	10.1	279

WDS 20458+7219 : COMPONENTS

	A
B	pa=221.4° sep=0.82"

20458+7219 A

Componente originario normalizzato	AB		Coord arcsec 2000	204557.48+721831.0		Mag	12.2		PmRA	10.00
PmDE	23.0		ADS	14303

20458+7219 B

Componente originario normalizzato	AB		Coord arcsec 2000	204557.36+721830.4		Mag	13		PmRA	10.00
PmDE	22.0		Calc delta mag	0.8		Calc coord	yes