12428+2820 LAS 31

12^h 42^m 48.76^s +28° 20' 10.3" P.A. 266.00 sep 6.7 mag 13.20,15.80

Coord 2000	12428+2820	Discov num	LAS 31	Comp		Coord arcsec 2000	12 42 48.76 +28 20 10.3
Date first	1999	Date last	2015	Obs	12
Pa first	267	Pa last	266.2	P.A. Now (θ)	266.2°
Sep first	6.6	Sep last	6.697	Sep. Now (ρ)	6.697"
Mag pri	13.20	Mag sec	15.80	delta mag (ΔM)	2.6	Spectral class
Pri motion ra	-019	Sec motion ra	-020
Pri motion dec	-052	Sec motion dec	-049
Notes	V (Proper motion indicates physical)

rPM=0.057 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Coma Berenices

Gaia DR2

3962901903805674368

WDS 12428+2820 LAS 31 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Las2012	E2 j	Lasgoity, C.A.	2012OED.....9...99L
Las2012	+Es	El Observador de Estrellas Dobles, Issue #9, 99, 2012
Las2013	Pp w	Lasgoity, C.A.	2013OED....11...78L
Las2013	+Es	El Observador de Estrellas Dobles, Issue #11, 78, 2013
Las2014a	E+ j	Krawczenko, C.A.	2014OED....12...49L
Las2014a	+C	El Observador de Estrellas Dobles, Issue #12, 49, 2014
Las2014a	+P
Las2014b	P j	Lasgoity, C.A.	2014OED....13...64L
Las2014b	+E+	El Observador de Estrellas Dobles, Issue #13, 64, 2014
Las2015	P j	Lasgoity, C.A.	2015OED....15...62L
Las2015	+E+	El Observador de Estrellas Dobles, Issue #15, 62, 2015
Las2015	+C
Las2015	+Hw

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12428+2820	LAS 31		2009	4	266	6.7	13.20	15.80		V	124248.76+282010.3
12428+2820	LAS 31		2010	6	268	6.2	13.20	15.80		V	124248.76+282010.3
12428+2820	LAS 31		2015	7	266	7.0	13.20	15.80		V	124248.76+282010.3

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

WDS 12428+2820 LAS 31 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12428+2820 LAS 31 : MEASURES

No records found.

WDS 12428+2820 : VIRTUAL EYEPIECE

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WDS 12428+2820 : ALADIN DSS IMAGE @ 12^h 42^m 48.76^s +28° 20' 10.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12428+2820 LAS 31 : 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		12428+2820	LAS 31		266	6.7
Show		12424+2800	LAS 32		349	3.4	22
Show		12425+2849	LDS4253		268	273.7	31
Show		12407+2757	LDS3053		187	6.4	36
Show		12426+2909	LDS3057		61	84.4	50
Show		12428+2910	LDS4255		285	2.7	50
Show		12463+2755	LDS4264		274	4.8	53
Show		12452+2736	LDS4261		41	41.0	54
Show		12410+2911	LDS3054		183	29.3	57
Show		12381+2812	TDS8463		129	1.3	64
Show		12451+2724	HJ 521		4	36.2	64
Show		12479+2827	SKF2597		274	50.5	68
Show		12444+2713	COU 597		102	0.3	71
Show		12445+2931	LDS4260		271	159.9	75
Show		12409+2708	COU 596		197	0.2	77
Show		12445+2705	LAS 33		203	6.5	79
Show		12418+2943	COU 967		3	1.1	84
Show		12427+2948	BRT 249		322	4.6	88
Show		12392+2659	LDS4240		177	98.8	95
Show		12434+2643	KPP1667		336	12.8	98
Show		12493+2733	CHR 179	Aa,Ab	7	0.3	98
Show		12493+2733	HJ 522	AB	26	42.5	98
Show		12400+2955	LDS4243	AB	42	95.2	102
Show		12400+2955	LDS4243	Aa,Ab	27	3.3	102
Show		12454+2643	LDS4262		6	4.8	103
Show		12496+2721	LDS4279		95	55.7	107
Show		12427+3007	LDS1334		151	9.1	108
Show		12356+2917	LDS4231		106	12.8	110
Show		12461+3003	LDS3059			4.9	112
Show		12469+2959	LDS4265		231	8.3	113
Show		12413+2629	LDS4248		87	3.3	113
Show		12473+2958	LDS4267		288	21.6	115
Show		12473+2959	LDS4268		56	6.3	116
Show		12514+2800	SHN 167		-1	0.4	116
Show		12375+2953	NSN 52		263	9.5	117
Show		12349+2727	YSC 99	AB	277	0.4	118
Show		12349+2727	GII 189	Aa,Ab	130	0.1	118
Show		12440+2622	LDS4258		22	30.5	119
Show		12422+2622	A 1851		91	0.3	119
Show		12370+2953	LDS4238		207	32.7	120
Show		12437+2620	LDS4257		87	81.2	121
Show		12500+2936	SKF2599		75	11.0	121
Show		12508+2926	LDS3063		251	67.7	124
Show		12401+2621	CVR1459		155	3.4	125
Show		12466+2625	BRT 160		15	4.6	125
Show		12417+2614	LDS1331		57	15.5	127
Show		12522+2757	KPP 900		324	7.5	127
Show		12366+3001	BFR 8		89	12.2	130
Show		12486+2636	KPP3260		228	4.4	130
Show		12358+2650	LDS4232		57	3.4	131
Show		12487+3007	LDS3060		182	171.6	132

WDS 12428+2820 : COMPONENTS

	A
B	pa=265.7° sep=5.90"

12428+2820 A

Componente originario normalizzato	AB		Coord arcsec 2000	124248.76+282010.3		Mag	13.2		PmRA	-19.00
PmDE	-52.0

12428+2820 B

Componente originario normalizzato	AB		Coord arcsec 2000	124248.31+282009.9		Mag	15.8		PmRA	-20.00
PmDE	-49.0		Calc delta mag	2.6		Calc coord	yes