21580+6722 MLB 307 BC

21^h 57^m 56.12^s +67° 22' 05.4" P.A. 152.00 sep 3.1 mag 12.29,12.80

Coord 2000	21580+6722	Discov num	MLB 307	Comp	BC	Coord arcsec 2000	21 57 56.12 +67 22 05.4
Date first	1923	Date last	2015	Obs	4
Pa first	157	Pa last	151.5	P.A. Now (θ)	151.5°
Sep first	3.9	Sep last	3.106	Sep. Now (ρ)	3.106"
Mag pri	12.29	Mag sec	12.80	delta mag (ΔM)	0.51	Spectral class
Pri motion ra	+000	Sec motion ra	-002
Pri motion dec	+008	Sec motion dec	-038
Notes

rPM=1.21

This double is not physical.

21580+6722 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 57 59 +67 23 06	MLB 307 AB	2015	8	194	62.0	10.91	12.29	1.38
Show			21 57 56 +67 22 05	MLB 307 BC	2015	4	152	3.1	12.29	12.80	0.51		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cepheus

Tycho2

4274-00545-1

Gaia DR2

2219681704649646720

WDS 21580+6722 MLB 307 BC : 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
21580+6722	MLB 307	BC	2000	2	153	3.2	12.29	12.80		D	215756.12+672205.4
21580+6722	MLB 307	BC	2003	3	153	3.1	12.29	12.80		D	215756.12+672205.4
21580+6722	MLB 307	BC	2015	4	152	3.1	12.29	12.80			215756.12+672205.4

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

WDS 21580+6722 MLB 307 BC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21580+6722 MLB 307 BC : MEASURES

No records found.

WDS 21580+6722 : 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 21580+6722 : ALADIN DSS IMAGE @ 21^h 57^m 56.12^s +67° 22' 05.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21580+6722 MLB 307 BC : 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		21580+6722	MLB 307	BC	152	3.1
Show		21580+6722	MLB 307	AB	194	62.0	2
Show		21581+6729	LDS4932		85	122.6	7
Show		21599+6719	TDT3280		122	0.5	13
Show		21576+6708	HJ 1711	AB	255	8.8	14
Show		21576+6708	ACA 8	AC	323	71.9	14
Show		22029+6716	MLB1096		312	18.5	30
Show		21527+6724	SKF2743		122	19.3	31
Show		21520+6723	TDT3201		121	2.3	35
Show		22038+6710	TDS1155		75	0.9	37
Show		21598+6758	STF2853	AB	188	3.2	38
Show		22048+6735	MLB 369		105	6.7	42
Show		21542+6644	LEP 103		213	4.1	44
Show		21511+6650	HU 972		255	0.3	52
Show		21531+6806	STTA226	AB	245	76.3	53
Show		21531+6806	STTA226	BC	149	85.2	53
Show		21531+6806	STTA226	BD	169	50.2	53
Show		21559+6626	CLL 17	AB	68	37.0	58
Show		21559+6626	CLL 17	AC	241	35.6	58
Show		21578+6818	MLB 306		144	3.8	58
Show		22066+6754	MLB 311		197	3.2	59
Show		22026+6816	MLB 310	BC	197	4.0	60
Show		22026+6816	MLB 310	AB	254	43.1	60
Show		21491+6648	STF2836	AB	155	11.8	62
Show		21491+6648	WAL 140	AC	253	64.5	62
Show		21498+6802	MLB1094		229	8.5	63
Show		21595+6620	MLB1095		100	11.2	64
Show		22091+6726	KPP1811		296	14.1	65
Show		22090+6743	HJ 1742		334	22.9	67
Show		22048+6822	MLB 430		290	6.3	72
Show		21572+6609	ARY 43		127	101.0	73
Show		21455+6745	HU 970		274	0.4	75
Show		21590+6605	TDT3273		6	0.4	78
Show		21576+6842	HAU 28		36	35.5	80
Show		21481+6625	MLB 270		265	1.6	82
Show		22115+6703	MLB1099		213	11.3	82
Show		22068+6828	TDT3344		24	0.5	84
Show		22102+6811	MLB 370	AB	247	3.7	85
Show		22102+6811	MLR 104	AC	48	12.2	85
Show		22103+6812	MLB1097		8	13.4	86
Show		22086+6826	TDS1158		151	1.0	88
Show		22057+6840	TDT3333		14	0.6	90
Show		22138+6710	HDS3156		9	0.7	93
Show		22022+6550	MLB 309		151	5.3	96
Show		22038+6551	MLB 271		140	3.5	100
Show		21444+6621	MLB 269		4	2.3	101
Show		21554+6540	HU 1314		211	0.1	104
Show		21561+6539	HU 974		101	4.5	104
Show		22105+6838	MLB1098	AB	165	12.5	104
Show		21516+6545	STF2843	AB	150	1.4	104
Show		21516+6545	STF2843	AC	277	54.7	104

WDS 21580+6722 : COMPONENTS

	A	B
B	pa=193.7° sep=62.49"
C	pa=192.7° sep=65.01"	pa=168.2° sep=2.79"

21580+6722 A

Coord arcsec 2000	215758.69+672306.1		Mag	10.91		PmRA	-6.00		PmDE	-16.0
Tycho2	4274-00097-1

Tycho2

Tycho2	4274-00097-1	Pflag		RAmdeg	329.49457043	DEmdeg	67.38503314
PmRA	-8.5	PmDE	-16.4	E RAmdeg	29	E DEmdeg	36
E pmRA	1.8	E pmDE	2.0	EpRAm	1986.56	EpDEm	1986.14
Num	4	Q RAmdeg	1.9	Q DEmdeg	0.8	Q pmRA	1.9
Q pmDE	0.9	BTmag	11.458	E BTmag	0.069	VTmag	10.907
E VTmag	0.066	Prox	624	TYC	T	HIP
CCDM		RAdeg	329.49466556	DEdeg	67.38506806	EpRA 1990	1.71
EpDE 1990	1.57	E RAdeg	37.9	E DEdeg	44.7	Posflg
Corr	0.1

21580+6722 B

Coord arcsec 2000	215756.12+672205.4		Coord calc	215756.12+672205.4		Mag	12.29		PmRA	0.00
PmDE	8.0		Tycho2	4274-00545-1		Calc delta mag	1.38

Tycho2

Tycho2	4274-00545-1	Pflag		RAmdeg	329.48386666	DEmdeg	67.36817969
PmRA	-1.8	PmDE	4.1	E RAmdeg	80	E DEmdeg	80
E pmRA	2.3	E pmDE	2.4	EpRAm	1976.24	EpDEm	1975.83
Num	4	Q RAmdeg	1.3	Q DEmdeg	2.9	Q pmRA	1.3
Q pmDE	3.0	BTmag	13.069	E BTmag	0.306	VTmag	12.291
E VTmag	0.207	Prox	624	TYC		HIP
CCDM		RAdeg	329.48384833	DEdeg	67.36823944	EpRA 1990	1.72
EpDE 1990	1.56	E RAdeg	90.6	E DEdeg	109.0	Posflg
Corr	0.1

21580+6722 C

Coord arcsec 2000	215756.22+672202.7		Mag	12.8		PmRA	-2.00		PmDE	-38.0
Calc delta mag	1.89		Calc coord	yes