15591+3736 BFR 12

15^h 59^m 08.15^s +37° 35' 47.7" P.A. 204.00 sep 22.1 mag 8.56,14.53 Sp K2+M8.0

Coord 2000	15591+3736	Discov num	BFR 12	Comp		Coord arcsec 2000	15 59 08.15 +37 35 47.7
Date first	1998	Date last	2016	Obs	6
Pa first	204	Pa last	203.6	P.A. Now (θ)	203.6°
Sep first	22.1	Sep last	22.137	Sep. Now (ρ)	22.137"
Mag pri	8.56	Mag sec	14.53	delta mag (ΔM)	5.97	Spectral class	K2+M8.0 (yellow-orange/red)
Pri motion ra	+042	Sec motion ra	-046
Pri motion dec	-137	Sec motion dec	-152
Notes	N K (See Notes, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

rPM=0.562

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Corona Borealis

Gaia DR2

1373307860093220480

WDS 15591+3736 BFR 12 : NOTES

discov_num	notes	refcode
BFR 12	NLTT 41701 + 2MASS J15590740+3735275. Baron et al. (2015) estimate
	spectral types K2 and M8.0 +/- 0.5, distances 61 +61/-27 and
	89 +6/-29 pc, masses 0.872-0.941 and 0.084-0.090 Msun.	BFr2015

REFERENCES

refcode	metd	author	reference
BFr2015	C j	Baron, Fr., Lafreniere, D., Artigau, E., Doyon, R., Gagne, J., Davison, C.L.,	2015ApJ...802...37B
BFr2015	+E2	Malo, L., Robert, J., Nadeau, D., & Reyle, C.
BFr2015	+Es	ApJ 802, 37, 2015

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15591+3736	BFR 12		2011	2	204	22.4	8.56	14.53	K2 M8.0	N K	155908.15+373547.7
15591+3736	BFR 12		2015	4	204	22.1	8.56	14.53	K2+M8.0	N K	155908.15+373547.7
15591+3736	BFR 12		2016	6	204	22.1	8.56	14.53	K2+M8.0	N K	155908.15+373547.7

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WDS 15591+3736 BFR 12 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15591+3736 BFR 12 : MEASURES

No records found.

WDS 15591+3736 : VIRTUAL EYEPIECE

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WDS 15591+3736 : ALADIN DSS IMAGE @ 15^h 59^m 08.15^s +37° 35' 47.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15591+3736 BFR 12 : 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		15591+3736	BFR 12		204	22.1
Show		15578+3735	UC 3094		70	60.4	16
Show		16002+3746	HJ 579		102	30.9	17
Show		16013+3714	SKF 240		79	1.9	34
Show		16020+3727	SHN 209		-1	0.2	35
Show		15558+3757	H 6 94		68	90.6	45
Show		16000+3650	VKI 23		353	4.5	48
Show		15564+3810	SLW1150		306	77.5	48
Show		15568+3816	UC 3090		326	94.2	50
Show		16028+3705	HJ 580		7	40.7	54
Show		16002+3831	CVR 809		98	11.2	57
Show		16037+3709	UC 3111		15	9.5	61
Show		16011+3836	TDS9730		93	0.6	65
Show		15597+3844	TDS9716		310	0.4	69
Show		16001+3625	COU1138		340	0.2	71
Show		16033+3638	BAG 52		84	0.0	77
Show		15596+3618	TDS9715		121	2.4	79
Show		15569+3613	SPN 1		87	25.6	88
Show		15554+3854	SLW1147		37	12.3	90
Show		16027+3617	KPP3978		130	2.2	91
Show		15569+3604	HJ 258		253	16.6	96
Show		16044+3625	HDS2268		191	0.4	96
Show		16009+3911	STT 304	AB	170	10.6	98
Show		16009+3911	WAL 70	AC	255	73.4	98
Show		16014+3910	NVL 1		90	13.9	98
Show		15586+3552	TDS9707		188	1.2	105
Show		16024+3554	TDS 797		86	0.9	110
Show		15512+3836	COU1447		297	2.3	112
Show		16083+3814	LDS4644		77	117.0	115
Show		15505+3644	CVR1647		327	4.3	116
Show		16048+3910	WNO 47		280	70.0	116
Show		16090+3730	TDS9774		210	0.7	117
Show		16089+3758	COU1276		53	3.3	118
Show		15530+3913	HJ 1280		1	32.6	121
Show		15501+3639	ALI 369		338	8.2	123
Show		16011+3936	AG 200		217	3.1	123
Show		15528+3919	TDS9674		261	0.6	128
Show		16090+3643	KPP3984	AB	51	3.7	129
Show		15568+3530	HJ 577		13	9.4	129
Show		16088+3635	DVG 1		342	17.1	132
Show		15483+3706	CBL 498		109	37.8	133
Show		16090+3629	BU 1087		206	1.7	136
Show		15572+3959	SKF1757		160	1.4	146
Show		16074+3548	ALI 370		147	13.0	147
Show		15504+3552	SLW1141		125	8.5	148
Show		16076+3547	HJ 259		155	35.1	149
Show		15555+3512	MCT 9		247	1.6	151
Show		15512+3539	BUP 163		209	106.3	151
Show		15550+3514	CVR 175		163	75.6	151
Show		16118+3725	HJ 260		27	19.8	152
Show		16072+3536	KPP2512		296	22.6	155

WDS 15591+3736 : COMPONENTS

	A
B	pa=199.1° sep=21.47"

15591+3736 A

Componente originario normalizzato	AB		Coord arcsec 2000	155908.15+373547.7		Mag	8.56		Spectral class	K2 (yellow-orange)
PmRA	42.00		PmDE	-137.0

15591+3736 B

Componente originario normalizzato	AB		Coord arcsec 2000	155907.56+373527.4		Mag	14.53		Spectral class	M8.0 (red)
PmRA	-46.00		PmDE	-152.0		Calc delta mag	5.97		Calc coord	yes