12247+3146 CVR 654

12^h 24^m 45.18^s +31° 46' 24.9" P.A. 271.00 sep 17.4 mag 16.20,17.80 Sp M2+M4

Coord 2000	12247+3146	Discov num	CVR 654	Comp		Coord arcsec 2000	12 24 45.18 +31 46 24.9
Date first	2000	Date last	2015	Obs	9
Pa first	271	Pa last	271.1	P.A. Now (θ)	271.1°
Sep first	17.3	Sep last	17.405	Sep. Now (ρ)	17.405"
Mag pri	16.20	Mag sec	17.80	delta mag (ΔM)	1.6	Spectral class	M2+M4 (red/red)
Pri motion ra	-004	Sec motion ra	-005
Pri motion dec	-049	Sec motion dec	-045
Notes	V R (Proper motion indicates physical, Red magnitudes)

rPM=0.084 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Coma Berenices

Gaia DR2

4015226768818768512

WDS 12247+3146 CVR 654 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Cvr2011	Eu -	Chivers, J.	2011JDSO....7..209C
Cvr2011		JDSO 7, 209, 2011
Cvr2014	Es u	Chivers, J.	2014JDSO...10...62C
Cvr2014		JDSO 10, 62, 2014
Cvr2014b	Es u	Chivers, J.	2014JDSO...10..256C
Cvr2014b		JDSO 10, 256, 2014
Cvr2014b		(Note: Coordinates in main table are of secondary, not primary. Corrected in WDS)
Cvr2014c	Eu -	Chivers, J.	2014JDSO...10..300C
Cvr2014c		JDSO 10, 300, 2014
Cvr2015a	Eu u	Chivers, J.	2015JDSO...11...42C
Cvr2015a	+Es	JDSO 11, 42, 2015

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12247+3146	CVR 654		2004	1	271	17.4	16.20	17.80	M2+M4	V R	122443.82+314625.3
12247+3146	CVR 654		2010	3	271	17.3	16.20	17.80	M2+M4	V R	122445.18+314624.9
12247+3146	CVR 654		2015	4	271	17.2	16.20	17.80	M2+M4	V R	122445.18+314624.9

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WDS 12247+3146 CVR 654 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12247+3146 CVR 654 : MEASURES

No records found.

WDS 12247+3146 : VIRTUAL EYEPIECE

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WDS 12247+3146 : ALADIN DSS IMAGE @ 12^h 24^m 45.18^s +31° 46' 24.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12247+3146 CVR 654 : 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		12247+3146	CVR 654		271	17.4	1
Show		12254+3129	SKF1477		158	6.9	20
Show		12248+3119	TDS8370		128	3.7	28
Show		12276+3124	LDS4209		359	11.6	43
Show		12283+3143	LDS4214		219	17.9	46
Show		12278+3212	SLW 726		130	88.3	47
Show		12280+3114	LDS4211		87	129.6	53
Show		12288+3155	COU 965		249	1.0	53
Show		12212+3118	SKF1119		256	76.2	54
Show		12279+3110	LDS1310		274	45.4	56
Show		12291+3123	STT 251		55	0.7	61
Show		12280+3058	LDS3044		10	2.0	65
Show		12201+3121	SEI 530		134	27.7	66
Show		12205+3109	SEI 531		28	30.5	66
Show		12191+3151	RAO 274	AB	219	1.7	73
Show		12191+3151	LDT 5	Aa,Ab	299	0.1	73
Show		12302+3211	LDS4221		102	93.0	73
Show		12193+3209	SLW 707		87	172.6	73
Show		12232+3257	HDS1744		275	0.2	73
Show		12191+3118	DAM1444		318	3.8	78
Show		12215+3038	GIC 106		119	4.5	80
Show		12310+3125	MET 60		342	2.1	83
Show		12309+3119	SKF2707	AB	95	1.8	84
Show		12309+3119	SKF2707	AC	110	86.9	84
Show		12316+3201	COU 966		28	0.3	89
Show		12189+3119	LDS1291		322	53.9	90
Show		12220+3309	UC 2324		157	48.6	90
Show		12313+3108	LDS3048		1	2.9	92
Show		12176+3205	LDS1288		330	6.6	94
Show		12322+3148	LDS4224		310	10.4	96
Show		12298+3022	LDS4219		336	82.5	107
Show		12334+3202	STF1653		343	8.0	111
Show		12324+3051	LDS3049		120	18.0	115
Show		12290+3006	CVR1439		131	3.7	115
Show		12285+2957	LDS4215		247	101.2	120
Show		12160+3233	CVR1418		133	3.1	121
Show		12265+3347	RAO 657		316	0.2	123
Show		12285+2953	ES 436		136	2.0	124
Show		12197+3000	SKF2589		182	6.3	125
Show		12194+3335	LDS4202		224	126.2	128
Show		12286+3348	LDS4216		257	4.2	130
Show		12165+3304	CHR 37		172	0.3	130
Show		12207+2939	SDK 54		316	13.6	139
Show		12351+3104	LDS1325	AB	135	144.6	140
Show		12279+2931	SKF 489		48	4.3	142
Show		12210+3400	SKF2704		330	127.7	142
Show		12220+2928	RAO 656		22	0.2	143
Show		12167+3004	AG 176		184	2.3	146
Show		12141+3247	A 2058	BC	274	3.0	148
Show		12141+3049	NSN 626		286	5.0	148
Show		12143+3252	SHN 152		-1	0.4	148

WDS 12247+3146 : COMPONENTS

	A
B	pa=271.3° sep=14.80"

12247+3146 A

Componente originario normalizzato	AB		Coord arcsec 2000	122445.18+314624.9		Mag	16.2		Spectral class	M2 (red)
PmRA	-4.00		PmDE	-49.0

12247+3146 B

Componente originario normalizzato	AB		Coord arcsec 2000	122444.02+314625.2		Mag	17.8		Spectral class	M4 (red)
PmRA	-5.00		PmDE	-45.0		Calc delta mag	1.6		Calc coord	yes