12531+1717 TDS 8569

12^h 53^m 06.18^s +17° 17' 07.5" P.A. 43.00 sep 1.6 mag 11.87,12.07

Coord 2000	12531+1717	Discov num	TDS8569	Comp		Coord arcsec 2000	12 53 06.18 +17 17 07.5
Date first	1991	Date last	2016	Obs	4
Pa first	37	Pa last	42.5	P.A. Now (θ)	42.5°
Sep first	1.7	Sep last	1.593	Sep. Now (ρ)	1.593"
Mag pri	11.87	Mag sec	12.07	delta mag (ΔM)	0.2	Spectral class
Pri motion ra	+033	Sec motion ra	+033
Pri motion dec	-031	Sec motion dec	-031
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Coma Berenices

Tycho2

1449-00238-1

Gaia DR2

3934724955543499264

WDS 12531+1717 TDS 8569 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
TDS		Tycho Double Star (from additional DD list)	...................
TDT		Tycho Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12531+1717	TDS8569		1991	1	37	1.7	11.87	12.07			125306.18+171707.5
12531+1717	TDS8569		2015	2	42	1.6	11.87	12.07			125306.18+171707.5
12531+1717	TDS8569		2016	4	43	1.6	11.87	12.07			125306.18+171707.5

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WDS 12531+1717 TDS 8569 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12531+1717 TDS 8569 : MEASURES

No records found.

WDS 12531+1717 : VIRTUAL EYEPIECE

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WDS 12531+1717 : ALADIN DSS IMAGE @ 12^h 53^m 06.18^s +17° 17' 07.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12531+1717 TDS 8569 : 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		12531+1717	TDS8569		43	1.6
Show		12522+1704	STFA 23	AB	51	196.3	19
Show		12522+1704	STFA 23	AC	262	905.4	19
Show		12524+1757	KRW 1		156	6.7	42
Show		12559+1653	BPM 599		89	51.3	47
Show		12534+1758	HJ 218		277	12.9	53
Show		12540+1623	HEI 162		132	0.9	56
Show		12573+1713	SLE 907		176	15.0	60
Show		12494+1628	SLE 904		171	13.6	74
Show		12535+1601	HEI 161		10	5.6	76
Show		12497+1613	SKF 275		202	2.9	81
Show		12519+1555	SLW 784		163	37.1	84
Show		12483+1821	SLW 776		229	153.5	95
Show		12599+1743	GWP1887		314	33.7	101
Show		12461+1715	A 2061		194	1.2	101
Show		12575+1842	BGH 5		222	82.0	106
Show		12479+1832	LDS4273		123	132.1	107
Show		12519+1910	SHJ 153	BC	331	251.3	115
Show		12519+1910	STF1685	AB	202	16.0	115
Show		12519+1910	SHJ 153	AC	328	241.7	115
Show		13013+1748	COU 297		188	0.3	121
Show		13006+1822	BU 112	A,BC		138.5	126
Show		12483+1530	HEI 160		344	2.4	127
Show		13006+1822	BU 112	BC	299	2.1	128
Show		12551+1925	GWP1878		41	26.8	131
Show		12530+1502	STF1686	AB	187	5.7	136
Show		12530+1502	YSC 215	Aa,Ab	52	0.2	136
Show		12530+1935	J 2087		164	6.7	138
Show		12531+1936	TOK 152		321	10.8	140
Show		12433+1734	BPM 596		281	42.4	142
Show		12573+1925	SLN 73		173	12.2	142
Show		12494+1931	TDS 679		168	1.1	145
Show		13012+1552	STF1707	AB	41	8.3	145
Show		12546+1452	LDS4293		163	11.7	147
Show		12564+1447	UC 2436		205	64.2	158
Show		12426+1628	SLW 763		312	9.4	160
Show		13020+1857	SLW 812		38	54.4	162
Show		13047+1736	BPM 600		200	79.3	168
Show		12592+1454	HDS1822		66	0.4	168
Show		12553+2005	LDS2890		121	116.6	171
Show		13025+1533	BAR 6		42	3.1	171
Show		12452+1927	SLW 767		101	132.9	173
Show		12422+1558	LDS1332	AB	348	23.4	175
Show		13046+1614	UC 2469		211	40.6	177
Show		12472+1442	EGG 7	BC	240	3.0	177
Show		12422+1840	GWP1850		37	26.2	177
Show		12472+1442	GIC 109	AB	48	25.1	177
Show		12561+2011	TDS8597		344	0.5	180
Show		13027+1521	LDS4309		238	163.7	180
Show		12595+2000	LDS2894		115	42.6	185
Show		12598+1957	SLW 806		117	39.9	186

WDS 12531+1717 : COMPONENTS

	A
B	pa=41.2° sep=1.56"

12531+1717 A

Componente originario normalizzato	AB		Coord arcsec 2000	125306.18+171707.5		Mag	11.87		PmRA	33.00
PmDE	-31.0		Tycho2	1449-00238-1

Tycho2

Tycho2	1449-00238-1	Pflag		RAmdeg	193.27572475	DEmdeg	17.28544620
PmRA	33.1	PmDE	-30.6	E RAmdeg	68	E DEmdeg	85
E pmRA	1.7	E pmDE	1.9	EpRAm	1968.81	EpDEm	1954.03
Num	4	Q RAmdeg	2.7	Q DEmdeg	0.6	Q pmRA	2.6
Q pmDE	0.6	BTmag	13.190	E BTmag	0.314	VTmag	11.956
E VTmag	0.167	Prox	396	TYC		HIP
CCDM		RAdeg	193.27564667	DEdeg	17.28551889	EpRA 1990	1.73
EpDE 1990	1.45	E RAdeg	77.6	E DEdeg	110.2	Posflg
Corr	0.2

12531+1717 B

Componente originario normalizzato	AB		Coord arcsec 2000	125306.25+171708.7		Mag	12.07		PmRA	33.00
PmDE	-31.0		Calc delta mag	0.2		Calc coord	yes