12407+2757 LDS 3053

12^h 40^m 47.32^s +27° 57' 16.9" P.A. 187.00 sep 6.4 mag 17.30,21.20 Sp WD+M4

Coord 2000	12407+2757	Discov num	LDS3053	Comp		Coord arcsec 2000	12 40 47.32 +27 57 16.9
Date first	1960	Date last	2016	Obs	7
Pa first	173	Pa last	187.1	P.A. Now (θ)	187.1°
Sep first	7.0	Sep last	6.39	Sep. Now (ρ)	6.39"
Mag pri	17.30	Mag sec	21.20	delta mag (ΔM)	3.9	Spectral class	WD+M4 (Wolf-Rayet/red)
Pri motion ra	-131	Sec motion ra	-105
Pri motion dec	-028	Sec motion dec	-025
Notes	V (Proper motion indicates physical)

rPM=0.195 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Coma Berenices

Gaia DR2

3962525561591061248

WDS 12407+2757 LDS 3053 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
LDS		Luyten p.m. catalog (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
12407+2757	LDS3053		1960	1	173	7.0	17.30	21.20			124042.00+275718.0
12407+2757	LDS3053		2000	2	187	6.4	17.30	21.20			124047.32+275716.9
12407+2757	LDS3053		2004	3	186	6.4	17.30	21.20			124047.32+275716.9
12407+2757	LDS3053		2010	5	187	6.4	17.30	21.20			124047.32+275716.9
12407+2757	LDS3053		2015	6	187	6.4	17.30	21.20			124047.32+275716.9
12407+2757	LDS3053		2016	7	187	6.4	17.30	21.20	WD+M4	V	124047.32+275716.9

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

WDS 12407+2757 LDS 3053 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12407+2757 LDS 3053 : MEASURES

No records found.

WDS 12407+2757 : VIRTUAL EYEPIECE

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WDS 12407+2757 : ALADIN DSS IMAGE @ 12^h 40^m 47.32^s +27° 57' 16.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12407+2757 LDS 3053 : 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		12407+2757	LDS3053		187	6.4
Show		12424+2800	LAS 32		349	3.4	22
Show		12428+2820	LAS 31		266	6.7	36
Show		12381+2812	TDS8463		129	1.3	39
Show		12409+2708	COU 596		197	0.2	49
Show		12425+2849	LDS4253		268	273.7	58
Show		12452+2736	LDS4261		41	41.0	62
Show		12392+2659	LDS4240		177	98.8	63
Show		12451+2724	HJ 521		4	36.2	66
Show		12444+2713	COU 597		102	0.3	66
Show		12445+2705	LAS 33		203	6.5	73
Show		12463+2755	LDS4264		274	4.8	73
Show		12410+2911	LDS3054		183	29.3	74
Show		12426+2909	LDS3057		61	84.4	77
Show		12428+2910	LDS4255		285	2.7	78
Show		12434+2643	KPP1667		336	12.8	82
Show		12349+2727	YSC 99	AB	277	0.4	84
Show		12349+2727	GII 189	Aa,Ab	130	0.1	84
Show		12413+2629	LDS4248		87	3.3	89
Show		12358+2650	LDS4232		57	3.4	96
Show		12454+2643	LDS4262		6	4.8	97
Show		12401+2621	CVR1459		155	3.4	97
Show		12422+2622	A 1851		91	0.3	98
Show		12479+2827	SKF2597		274	50.5	99
Show		12417+2614	LDS1331		57	15.5	104
Show		12440+2622	LDS4258		22	30.5	104
Show		12356+2917	LDS4231		106	12.8	105
Show		12371+2626	LDS4236		62	36.1	105
Show		12437+2620	LDS4257		87	81.2	105
Show		12445+2931	LDS4260		271	159.9	106
Show		12418+2943	COU 967		3	1.1	107
Show		12326+2816	SKF1479	BC	266	2.0	110
Show		12326+2816	SDK 92	AB	140	11.9	111
Show		12340+2650	COU 595		182	1.0	113
Show		12427+2948	BRT 249		322	4.6	113
Show		12493+2733	CHR 179	Aa,Ab	7	0.3	116
Show		12493+2733	HJ 522	AB	26	42.5	116
Show		12405+2600	SKF2033		278	2.9	118
Show		12400+2955	LDS4243	AB	42	95.2	119
Show		12400+2955	LDS4243	Aa,Ab	27	3.3	119
Show		12466+2625	BRT 160		15	4.6	120
Show		12496+2721	LDS4279		95	55.7	122
Show		12375+2953	NSN 52		263	9.5	124
Show		12325+2855	LDS4225		204	16.4	124
Show		12321+2847	SLW 733		251	150.3	125
Show		12370+2953	LDS4238		207	32.7	126
Show		12429+2555	ES 438		285	5.7	126
Show		12331+2921	LDS4228		303	3.9	132
Show		12486+2636	KPP3260		228	4.4	132
Show		12427+3007	LDS1334		151	9.1	133
Show		12317+2701	STF1651		215	7.0	133

WDS 12407+2757 : COMPONENTS

	A
B	pa=186.3° sep=6.38"

12407+2757 A

Componente originario normalizzato	AB		Coord arcsec 2000	124047.32+275716.9		Mag	17.3		Spectral class	WD (Wolf-Rayet)
PmRA	-131.00		PmDE	-28.0

12407+2757 B

Componente originario normalizzato	AB		Coord arcsec 2000	124047.27+275710.6		Mag	21.2		Spectral class	M4 (red)
PmRA	-105.00		PmDE	-25.0		Calc delta mag	3.9		Calc coord	yes