12331+2921 LDS 4228

12^h 33^m 07.36^s +29° 20' 54.2" P.A. 303.00 sep 3.9 mag 13.50,14.80

Coord 2000	12331+2921	Discov num	LDS4228	Comp		Coord arcsec 2000	12 33 07.36 +29 20 54.2
Date first	1960	Date last	2016	Obs	6
Pa first	300	Pa last	302.5	P.A. Now (θ)	302.5°
Sep first	3.0	Sep last	3.886	Sep. Now (ρ)	3.886"
Mag pri	13.50	Mag sec	14.80	delta mag (ΔM)	1.3	Spectral class
Pri motion ra	+119	Sec motion ra	-041
Pri motion dec	-064	Sec motion dec	+039
Notes

rPM=1.408

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Coma Berenices

Gaia DR2

4010963584280288896

WDS 12331+2921 LDS 4228 : 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
12331+2921	LDS4228		1960	1	300	3.0	13.80	14.50			123310.00+292042.0
12331+2921	LDS4228		2000	2	303	3.9	13.50	14.80			123307.36+292054.2
12331+2921	LDS4228		2001	3	302	3.8	13.50	14.80			123307.36+292054.2
12331+2921	LDS4228		2015	4	303	3.9	13.50	14.80			123307.36+292054.2
12331+2921	LDS4228		2016	6	303	3.9	13.50	14.80			123307.36+292054.2

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

WDS 12331+2921 LDS 4228 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12331+2921 LDS 4228 : MEASURES

No records found.

WDS 12331+2921 : VIRTUAL EYEPIECE

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WDS 12331+2921 : ALADIN DSS IMAGE @ 12^h 33^m 07.36^s +29° 20' 54.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12331+2921 LDS 4228 : 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		12331+2921	LDS4228		303	3.9
Show		12327+2922	LDS4226	AB	275	31.8	6
Show		12327+2922	LDS4226	Aa,Ab	243	2.8	6
Show		12325+2855	LDS4225		204	16.4	28
Show		12356+2917	LDS4231		106	12.8	34
Show		12321+2847	SLW 733		251	150.3	37
Show		12303+2858	LDS4222		222	10.8	44
Show		12295+2931	BU 1324	AB	224	2.4	49
Show		12295+2931	BU 1324	AC	181	75.8	49
Show		12295+2931	BU 1324	BC	180	74.2	49
Show		12344+3015	LEP 134		241	5.2	57
Show		12366+3001	BFR 8		89	12.2	61
Show		12370+2953	LDS4238		207	32.7	61
Show		12300+2835	LDS4220		229	107.5	63
Show		12297+2837	HJ 3339		157	19.9	63
Show		12375+2953	NSN 52		263	9.5	65
Show		12326+2816	SDK 92	AB	140	11.9	66
Show		12326+2816	SKF1479	BC	266	2.0	66
Show		12359+3018	SDK 101		212	3.8	68
Show		12366+3012	LDS4235		36	21.3	69
Show		12279+2931	SKF 489		48	4.3	69
Show		12285+2953	ES 436		136	2.0	69
Show		12285+2957	LDS4215		247	101.2	71
Show		12290+3006	CVR1439		131	3.7	71
Show		12298+3022	LDS4219		336	82.5	75
Show		12287+2836	LDS1312		297	125.0	80
Show		12298+2812	LDS4218		79	154.3	83
Show		12283+2828	LDS4213		80	2.0	84
Show		12324+3051	LDS3049		120	18.0	90
Show		12381+2812	TDS8463		129	1.3	96
Show		12400+2955	LDS4243	AB	42	95.2	98
Show		12400+2955	LDS4243	Aa,Ab	27	3.3	98
Show		12410+2911	LDS3054		183	29.3	104
Show		12269+2816	SMR 58		207	16.1	104
Show		12351+3104	LDS1325	AB	135	144.6	107
Show		12258+2836	LEP 132		235	16.0	107
Show		12313+3108	LDS3048		1	2.9	110
Show		12305+2732	COU 594		133	2.8	114
Show		12418+2943	COU 967		3	1.1	116
Show		12349+2727	YSC 99	AB	277	0.4	116
Show		12349+2727	GII 189	Aa,Ab	130	0.1	116
Show		12280+3058	LDS3044		10	2.0	118
Show		12309+3119	SKF2707	AB	95	1.8	122
Show		12309+3119	SKF2707	AC	110	86.9	122
Show		12426+2909	LDS3057		61	84.4	125
Show		12427+2948	BRT 249		322	4.6	127
Show		12279+3110	LDS1310		274	45.4	128
Show		12425+2849	LDS4253		268	273.7	128
Show		12310+3125	MET 60		342	2.1	128
Show		12428+2910	LDS4255		285	2.7	129
Show		12407+2757	LDS3053		187	6.4	132

WDS 12331+2921 : COMPONENTS

	A
B	pa=306.2° sep=3.54"

12331+2921 A

Componente originario normalizzato	AB		Coord arcsec 2000	123307.36+292054.2		Mag	13.5		PmRA	119.00
PmDE	-64.0

12331+2921 B

Componente originario normalizzato	AB		Coord arcsec 2000	123307.14+292056.3		Mag	14.8		PmRA	-41.00
PmDE	39.0		Calc delta mag	1.3		Calc coord	yes