12550+3118 JNN 82

12^h 54^m 59.98^s +31° 18' 24.8" P.A. 349.00 sep 0.7 mag 16.30,16.70 Sp M2+M3

Coord 2000	12550+3118	Discov num	JNN 82	Comp		Coord arcsec 2000	12 54 59.98 +31 18 24.8
Date first	2009	Date last	2015	Obs	3
Pa first	350	Pa last	348.9	P.A. Now (θ)	348.9°
Sep first	0.7	Sep last	0.717	Sep. Now (ρ)	0.717"
Mag pri	16.30	Mag sec	16.70	delta mag (ΔM)	0.4	Spectral class	M2+M3 (red/red)
Pri motion ra	-106	Sec motion ra
Pri motion dec	-018	Sec motion dec
Notes	V (Proper motion indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Coma Berenices

Gaia DR2

1465682951542113280

WDS 12550+3118 JNN 82 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Jnn2006	A j	Janson, M., Brandner, W., Henning, T., & Zinnecker, H.	2006A&A...453..609J
Jnn2006		A&A 453, 609, 2006
Jnn2007	A j	Janson, M., Brandner, W., Lenzen, R., Close, L., Nielsen, E., Hartung, M.,	2007A&A...462..615J
Jnn2007		Henning, T., & Rouy, H.
Jnn2007		A&A 462, 615, 2007
Jnn2011	A j	Janson, M., Carson, J., Thalmann, C., McElwain, M.W., Goto, M., Crepp, J.,	2011ApJ...728...85J
Jnn2011		Wisniewski, J., Abe, L., et al.
Jnn2011		ApJ 728, 85, 2011
Jnn2011		(their absolute magnitudes converted to apparent mags, assuming distance 15.5pc)
Jnn2011b	A -	Janson, M., Bonavita, M., Klahr, H., Lafreniere, D., Jayawardhana, R.,	2011ApJ...736...89J
Jnn2011b		& Zinnecker, H.
Jnn2011b		ApJ 736, 89, 2011
Jnn2012	Cl j	Janson, M., Hormuth, F., Bergfors, C., Brandner, W., Hippler, S., Daemgen, S.,	2012ApJ...754...44J
Jnn2012	+E2	Kudryavtseva, N., Schmalzl, E., Schnupp, C., & Henning, T.
Jnn2012		ApJ 754, 44, 2012 (some recalibrated measures published in Jnn2014b)	2014ApJS..214...17J
Jnn2012b	A -	Janson, M., Jayawardhana, R., Girard, J.H., Lafreniere, D., Bonavita, M.,	2012ApJ...758L...2J
Jnn2012b	+Ci	Gizis, J., & Brandeker, A.
Jnn2012b		ApJ 758, L2, 2012
Jnn2013	A j	Janson, M., Lafreniere, D., Jayawardhana, R., Bonavita, M., Girard, J.H.,	2013ApJ...773..170J
Jnn2013		Brandeker, A., & Gizis, J.E.
Jnn2013		ApJ 773, 170, 2013
Jnn2013b	A j	Janson, M., Brandt, T.D., Moro-Martin, A., Usuda, T., Thalmann, C., Carson, J.C.,	2013ApJ...773...73J
Jnn2013b		Goto, M., Currie, T., McElwain, M.W., Itoh, Y., Fukagawa, M., Crepp, J., et al.
Jnn2013b		ApJ 773, 73, 2013
Jnn2014	A -	Janson, M., Bergfors, C., Brandner, W., Kudryavtseva, N., Hormuth, F.,	2014ApJ...789..102J
Jnn2014	+Cl	Hippler, S., & Henning, T.
Jnn2014		ApJ 789, 102, 2014
Jnn2014b	Cl j	Janson, M., Bergfors, C., Brandner, W., Bonnefoy, M., Schlieder, J., Kohler, R.,	2014ApJS..214...17J
Jnn2014b	+Hw	Hormuth, F., Henning, T., & Hippler, S.
Jnn2014b	+E+	ApJS 214, 17, 2014
Jnn2014b	+A	(includes some recalibrated measures originally published in earlier papers)
Jnn2014b	+orb
Jnn2017	Cl -	Janson, M., Durkan, S., Hippler, S., Dai, X., Brandner, W., Schlieder, J.,	2017A&A...599A..70J
Jnn2017		Bonnefoy, M., & Henning, T. Jnn201
Jnn2017		A&A 599, A70, 2017
Jnn2017b	Cl j	Calissendorff, P., Janson, M., Kohler, R., Durkan, S., Hippler, S., Dai, X.,	2017A&A...604A..82C
Jnn2017b	+orb	Brandner, W., Schlieder, J., & Henning, T.
Jnn2017b		A&A 604, A82, 2017
Jnn2018	A	Janson, M., Durkan, S., Bonnefoy, M., Rodet, L., Kohler, R., Lacour, S., Brandner,	2018A&A...620A..33J
Jnn2018	+orb	W., Henning, R. & Girard, J.
Jnn2018		A&A 620A, 33, 2018
Jnn2020	E2 j	Calissendorff, P., Janson, M. & Bonnefoy, M.	2020A&A...642A..57C
Jnn2020		A&A 642, A57, 2020
Jnn2022	A+ j	Calissendorff, P., Janson, M., Rodet, L., Bonnefoy, M., Brandner, W., Brown-Sevilla,	2022A&A...666A..16C
Jnn2022	+Cl+	S., Chauvin, G., Delorme, P., Desidera, S., Durkan, S., Fontanive, C., Gratton, R.,
Jnn2022	+Ao+	Hagelbe3rg, J., Henning, T., Hippler, S., Lagrange, A.-M., Langlois, M., Lazzoni, C.	,
Jnn2022	+orb	Maire, A.-L., Messina, S., Meyer, M., Moller-Nsson, O., Rabus, M., Schlieder, J.,
Jnn2022		Vigan, A., Wahhaj, Z., Wildi, F. & Zurlo, A.
Jnn2022		A&A 666, A16, 2022

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12550+3118	JNN 82		2009	2	350	0.7	16.30	16.70	M2 M3		125459.98+311824.8
12550+3118	JNN 82		2015	3	349	0.7	16.30	16.70	M2+M3	V	125459.98+311824.8

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WDS 12550+3118 JNN 82 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12550+3118 JNN 82 : MEASURES

No records found.

WDS 12550+3118 : VIRTUAL EYEPIECE

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WDS 12550+3118 : ALADIN DSS IMAGE @ 12^h 54^m 59.98^s +31° 18' 24.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12550+3118 JNN 82 : 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		12550+3118	JNN 82		349	0.7
Show		12537+3102	LDS4291		289	54.7	23
Show		12568+3114	LDS1345		73	8.0	26
Show		12567+3103	CBL 401		193	35.4	27
Show		12529+3116	SHN 25		166	0.2	28
Show		12531+3131	LDS3065		298	128.3	28
Show		12528+3111	LDS4289		85	114.7	29
Show		12573+3109	LDS1346		153	215.0	32
Show		12562+3043	LDS1344		341	61.1	39
Show		12525+3144	LDS2889		351	11.9	41
Show		12573+3046	LDS1347		110	79.4	45
Show		12520+3146	LDS4287		143	35.0	48
Show		12525+3155	HJ 524		112	21.8	49
Show		12510+3129	HDS1804		258	0.8	53
Show		12592+3124	CVR1481		47	3.5	55
Show		12578+3038	LDS1348		281	5.3	55
Show		12506+3117	CVR1471		80	4.4	56
Show		12552+3020	CVR1477		123	3.2	59
Show		12599+3132	LDS1352		219	8.2	64
Show		12574+3022	STF1696		204	3.7	65
Show		12594+3156	LDS1351		168	1.9	68
Show		13003+3047	HDS1823	Aa,Ab	180	0.1	75
Show		13003+3047	BU 1081	AB	350	5.3	75
Show		12594+3026	SKF 806		240	7.2	78
Show		13000+3205	LDS1353	AB	145	33.9	80
Show		12540+3243	SKF 340	AB	180	14.3	86
Show		12540+3243	SKF 340	AC	196	2.1	86
Show		12569+3242	SKF2600		96	37.6	87
Show		12485+3049	LDS4274		295	49.9	90
Show		12494+3212	LDS4278		212	95.7	90
Show		12595+3004	A 1852		311	1.0	95
Show		12576+3248	COU 969		67	0.8	97
Show		13023+3054	SLW 814		139	89.7	98
Show		12487+3214	LDS4276		70	48.5	99
Show		12479+3208	SEI 533	AB	267	22.6	104
Show		12479+3208	SIN 75	AC		115.3	104
Show		12586+3253	ES 2413		340	5.6	105
Show		12528+2936	LDS3064		91	122.4	106
Show		12556+2933	SKF 490		180	4.6	107
Show		12542+2930	LDS1341		179	7.3	109
Show		12487+3007	LDS3060		182	171.6	109
Show		13030+3043	LDS1356		8	23.0	110
Show		12569+3313	SKF2601		137	6.7	118
Show		13026+3226	LEP 61		294	175.1	118
Show		12587+3309	CVR 674		349	23.7	121
Show		12500+2936	SKF2599		75	11.0	122
Show		13046+3100	LDS1358		115	12.7	124
Show		13038+3210	CVR 132		232	9.7	124
Show		12508+2926	LDS3063		251	67.7	125
Show		12452+3106	COU 968		263	1.7	127
Show		12473+2959	LDS4268		56	6.3	127

WDS 12550+3118 : COMPONENTS

	A
B	pa=350.5° sep=0.71"

12550+3118 A

Componente originario normalizzato	AB		Coord arcsec 2000	125459.98+311824.8		Mag	16.3		Spectral class	M2 (red)
PmRA	-106.00		PmDE	-18.0

12550+3118 B

Componente originario normalizzato	AB		Coord arcsec 2000	125459.97+311825.5		Mag	16.7		Spectral class	M3 (red)
Calc delta mag	0.4		Calc coord	yes