20144+6705 MLB 297

20^h 14^m 24.36^s +67° 05' 14.9" P.A. 213.00 sep 2.7 mag 10.80,11.30 Sp G0

Coord 2000	20144+6705	Discov num	MLB 297	Comp		Coord arcsec 2000	20 14 24.36 +67 05 14.9
Date first	1923	Date last	2015	Obs	4
Pa first	217	Pa last	213	P.A. Now (θ)	213°
Sep first	3.6	Sep last	2.713	Sep. Now (ρ)	2.713"
Mag pri	10.80	Mag sec	11.30	delta mag (ΔM)	0.5	Spectral class	G0 (yellow)
Pri motion ra	+015	Sec motion ra
Pri motion dec	+034	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Draco

Tycho2

4244-00232-1

Gaia DR2

2249578770135335680

WDS 20144+6705 MLB 297 : 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
20144+6705	MLB 297		2003	3	213	2.8	10.80	11.30			201424.36+670514.9
20144+6705	MLB 297		2015	4	213	2.7	10.80	11.30	G0		201424.36+670514.9

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

WDS 20144+6705 MLB 297 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20144+6705 MLB 297 : MEASURES

No records found.

WDS 20144+6705 : VIRTUAL EYEPIECE

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

WDS 20144+6705 : ALADIN DSS IMAGE @ 20^h 14^m 24.36^s +67° 05' 14.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20144+6705 MLB 297 : 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		20144+6705	MLB 297		213	2.7
Show		20173+6658	LDS2450		227	13.2	19
Show		20140+6736	MLB 296		284	3.2	32
Show		20087+6730	SKF1244		184	97.9	42
Show		20185+6743	MLB 298		156	9.0	45
Show		20223+6709	KPP4193		9	1.5	47
Show		20233+6710	LAW 19		224	1.1	53
Show		20246+6708	LDS2453		193	10.3	59
Show		20070+6618	STF2650		228	21.9	65
Show		20031+6721	MLB 294		155	3.3	68
Show		20207+6609	SKF2610		187	13.0	68
Show		20023+6706	SKF1242		13	20.8	71
Show		20194+6600	TDT2167		125	0.4	72
Show		20274+6706	MLB 266		177	3.9	77
Show		20039+6754	MLB 295		305	7.3	82
Show		20028+6752	LDS2447	AB	180	125.4	82
Show		20028+6752	LDS2447	AC	226	141.0	82
Show		20065+6817	TDT1984		39	1.6	85
Show		20261+6616	LDS4844		74	237.5	85
Show		20117+6542	TDT2071		65	0.8	85
Show		20290+6640	MLR 66		111	2.6	90
Show		19593+6729	TDT1903		87	0.4	91
Show		20296+6648	MLR 67		250	0.6	91
Show		20300+6726	KPP4203	AC	293	5.4	93
Show		20284+6756	TDT2309		232	0.7	95
Show		20302+6644	SKF2611		299	128.4	96
Show		20185+6533	KPP 467		243	4.7	96
Show		20005+6759	MLB 359	AB	284	4.9	97
Show		20005+6759	MLB 359	AC	326	30.9	97
Show		20229+6832	MLB 361		326	2.6	100
Show		20183+6526	MLB 219		333	2.9	101
Show		20061+6538	TDT1975		274	0.8	101
Show		20055+6834	TDT1964		340	2.0	102
Show		19562+6618	HU 1307		25	1.0	119
Show		20074+6511	HJL1102		123	126.7	122
Show		20333+6616	TDT2367		285	0.4	123
Show		20273+6846	HDS2925		91	0.7	125
Show		20339+6801	MLB1089		354	9.2	125
Show		20023+6515	STI 941		96	11.7	133
Show		20276+6513	UC 4188		18	30.7	139
Show		20333+6531	LDS2454		62	17.5	148
Show		20328+6526	KPP 474		81	3.7	150
Show		20049+6926	HDS2863	AB	3	0.9	150
Show		20243+6927	LDS2452		157	6.9	154
Show		20020+6922	MLB 293		91	4.8	154
Show		20142+6429	STI 958		6	7.3	156
Show		20119+6431	STF2660		166	22.3	156
Show		20171+6943	LDS1930		292	51.8	157
Show		20015+6449	H 6 38	AB	171	193.1	158
Show		20042+6434	BU 1479		46	43.0	164
Show		20023+6438	STTA200	AB	332	98.9	165

WDS 20144+6705 : COMPONENTS

	A
B	pa=194.2° sep=2.35"

20144+6705 A

Componente originario normalizzato	AB		Coord arcsec 2000	201424.36+670514.9		Mag	10.8		Spectral class	G0 (yellow)
PmRA	15.00		PmDE	34.0

20144+6705 B

Componente originario normalizzato	AB		Coord arcsec 2000	201424.26+670512.6		Mag	11.3		Tycho2	4244-00232-1
Calc delta mag	0.5		Calc coord	yes

Tycho2

Tycho2	4244-00232-1	Pflag		RAmdeg	303.60146429	DEmdeg	67.08747194
PmRA	14.7	PmDE	34.4	E RAmdeg	30	E DEmdeg	31
E pmRA	2.5	E pmDE	2.8	EpRAm	1987.53	EpDEm	1987.58
Num	3	Q RAmdeg	9.6	Q DEmdeg	9.9	Q pmRA	9.9
Q pmDE	9.9	BTmag	11.554	E BTmag	0.064	VTmag	11.082
E VTmag	0.068	Prox	999	TYC	T	HIP
CCDM		RAdeg	303.60154861	DEdeg	67.08748000	EpRA 1990	1.68
EpDE 1990	1.75	E RAdeg	39.5	E DEdeg	41.9	Posflg
Corr	0.0