20478-3636 LWR 17 (BO Mic)

20^h 47^m 45.00^s -36° 35' 40.1" P.A. 20.00 sep 9.0 mag 7.70,17.70 Sp K3Ve dist. 52.19 pc (170.24 l.y.)

Coord 2000	20478-3636	Discov num	LWR 17	Comp		Coord arcsec 2000	20 47 45.00 -36 35 40.1
Date first	1998	Date last	1998	Obs	1
Pa first	20	Pa last	20.4	P.A. Now (θ)	20.4°
Sep first	9.0	Sep last	9.04	Sep. Now (ρ)	9.04"
Mag pri	7.70	Mag sec	17.70	delta mag (ΔM)	10	Spectral class	K3Ve (yellow-orange)
Pri motion ra	+025	Sec motion ra
Pri motion dec	-081	Sec motion dec
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

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Var name	BO Mic	Constellation	Microscopium	SAO	212437	HIP	102626
Tycho2	7469-00997-1	Gaia DR2	6778413151435607680	HD	197890	CD	CD-3713926
CP	CP-37 8883	Distance	52.19	Distance ly	170.24

WDS 20478-3636 LWR 17 (BO Mic) : NOTES

discov_num	notes	refcode
LWR 17	BO Mic

REFERENCES

refcode	metd	author	reference
Lwr1999	Hn j	Lowrance, P.J., McCarthy, C., Becklin, E.E., Zuckerman, B., Schneider, G.,	1999ApJ...512L..69L
Lwr1999	+Ci	Webb, R.A., Hines, D.C., Kirkpatrick, J.D., et al.
Lwr1999	+C	ApJ 512, L69, 1999
Lwr1999b	Hn j	Lowrance, P.J., Weinberger, A., & Schneider, G.	2000ApJ...530..867W
Lwr1999b	+Ci	private communication, 1999 (as cited by Wnt2000)
Lwr2000	Hn j	Lowrance, P.J., Schneider, G., Kirkpatrick, J.D., Becklin, E.E., Weinberger, A.J.,	2000ApJ...541..390L
Lwr2000		Zuckerman, B., Plair, P., Malmuth, E.M., et al.
Lwr2000		ApJ 541, 390, 2000
Lwr2001	Hn j	Lowrance, P.J, Becklin, E.E., Schneider, G., & NICMOS IDT EONS and STIS 8176 teams	2001ASPC..244..309L
Lwr2001		"Young Stars Near Earth: Progress and Prospects", ASP Conf. 244, 309, 2001
Lwr2002	E2 w	Lowrance, P.J., Kirkpatrick, J.D., & Beichman, C.A.	2002ApJ...572L..79L
Lwr2002		ApJ 572, L79, 2002 (2MASS and POSS plates)
Lwr2005	H+ j	Lowrance, P.J., Becklin, E.E., Schneider, G., Kirkpatrick, J.D., Weinberger, A.J.,	2005AJ....130.1845L
Lwr2005	+E2	Zuckerman, B., Dumas, C., Beuzit, J.-L., et al.
Lwr2005	+A	AJ 130, 1845, 2005
Lwr2005	+Pp

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20478-3636	LWR 17		1998	1	20	9.0	9.39		K3Ve	N D	204745.00-363540.1

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WDS 20478-3636 LWR 17 (BO Mic) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20478-3636 LWR 17 (BO Mic) : MEASURES

No records found.

WDS 20478-3636 (BO Mic) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 20478-3636 (BO Mic) : ALADIN DSS IMAGE @ 20^h 47^m 45.00^s -36° 35' 40.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20478-3636 LWR 17 (BO Mic) : 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		20478-3636	LWR 17		20	9.0
Show		20506-3645	B 2893		297	9.7	37
Show		20448-3653	UC 4278		250	22.0	40
Show		20516-3618	B 998		288	0.5	51
Show		20442-3607	UC 4273		22	17.6	52
Show		20502-3719	BRT1813		296	5.4	52
Show		20506-3545	TDT2573		74	0.4	62
Show		20457-3736	HJ 5216		22	15.6	66
Show		20501-3534	HDS2969		174	0.1	69
Show		20480-3523	B 2892		104	8.1	73
Show		20539-3658	B 507		215	0.5	78
Show		20436-3532	HJ 5215		183	22.8	82
Show		20542-3714	BRT1815		207	4.2	86
Show		20518-3523	KPP1661		42	12.8	88
Show		20452-3510	SEE 428		188	4.4	92
Show		20521-3517	RST3270		338	2.5	96
Show		20532-3521	BRT1814		258	4.0	100
Show		20437-3509	KPP 941		156	7.7	100
Show		20521-3810	SEE 429		179	3.4	108
Show		20458-3443	HJ 5219		323	8.5	115
Show		20381-3627	KPP3107		325	6.6	117
Show		20525-3451	NSN 490		73	2.0	120
Show		20503-3839	B 503		116	2.5	127
Show		20582-3711	WIS 345		7	35.3	131
Show		20518-3434	B 504		38	2.3	132
Show		20570-3748	NSN 489		348	2.7	133
Show		20571-3526	B 510		327	3.4	134
Show		20369-3713	KPP1356		244	10.2	135
Show		20530-3836	TOI 154		203	0.2	136
Show		20583-3548	WSP 133	AB	212	2.4	137
Show		20583-3548	WSP 133	AC	158	16.3	137
Show		20583-3548	WSP 133	AD	339	16.4	137
Show		20583-3548	WSP 133	AE	354	16.6	137
Show		20576-3745	B 2488		226	2.4	138
Show		20579-3743	HJ 5236		308	5.9	139
Show		20521-3428	B 999		328	1.3	139
Show		20364-3706	B 2888		259	13.3	140
Show		20584-3735	SKF1251		217	148.1	141
Show		20595-3718	JSP 820		247	1.4	148
Show		20562-3828	TDT2645	AB	241	0.7	151
Show		20419-3853	TOI2247		347	0.3	154
Show		20390-3445	BRT1811		277	2.4	154
Show		20435-3905	TDT2501		52	0.5	158
Show		20442-3914	WSP 7	AB	229	4.5	164
Show		20442-3914	WSP 7	AC	137	14.3	164
Show		20436-3912	TDT2502		230	0.7	165
Show		20362-3506	SKF1246		169	21.8	167
Show		20497-3921	B 502		113	1.3	167
Show		20338-3643	HDS2939		161	0.3	169
Show		20361-3814	HJ 5208		277	9.2	170
Show		20575-3435	BRT1816		180	3.7	171

WDS 20478-3636 : COMPONENTS

	A
B	pa=16.6° sep=8.84"

20478-3636 A

Componente originario normalizzato	AB	Name	BO Mic	Coord arcsec 2000	204745.00-363540.1	Mag	7.7
Spectral class	K3Ve (yellow-orange)	PmRA	25.00	PmDE	-81.0	SAO	212437
HIP	102626	Tycho2	7469-00997-1	HD	197890	CD	CD-3713926
CP	CP-37 8883

Tycho2

Tycho2	7469-00997-1	Pflag		RAmdeg	311.93754380	DEmdeg	-36.59467493
PmRA	18.4	PmDE	-80.0	E RAmdeg	11	E DEmdeg	12
E pmRA	1.2	E pmDE	1.2	EpRAm	1988.95	EpDEm	1988.71
Num	12	Q RAmdeg	1.1	Q DEmdeg	1.5	Q pmRA	1.1
Q pmDE	1.5	BTmag	10.638	E BTmag	0.029	VTmag	9.552
E VTmag	0.018	Prox	999	TYC	T	HIP	102626
CCDM		RAdeg	311.93749250	DEdeg	-36.59449139	EpRA 1990	1.86
EpDE 1990	1.75	E RAdeg	11.8	E DEdeg	13.4	Posflg
Corr	-0.4

SAO

SAO	212437	DelFlag		RA1950		PmRA1950	0.0009
DE1950		PmDE1950	-0.047	Vmag	9.2	SpType	K0
Double code		Source	41	CatNum	10767	DM	CD-3713926
DMcomp		BDsup		HD	197890	M HD	0
GC		RA1950rad	5.43043849	DE1950rad	-0.64189948	PmRA2000	0.0009
PmDE2000	-0.05

Hipparcos

Catalog	H	HIP	102626	Proxy		RAhms	20 47 45.00
DEdms	-36 35 40.1	Vmag	9.44	VarFlag	2	R Vmag	H
RAdeg	311.938	DEdeg	-36.5945	AstroRef		Plx	22.52
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag	G	Source		Qual		M HIP
Theta		Rho		HD	197890	BD
CD	CD-3713926	CP	CP-37 8883	Dm number	-3713926	VIred	0.88
SpType	K0V	R SpType		Coord arcsec 2000	204745.00-363540.1

Hipparcos 2

HIP	102626	Sn	5	So	1	Nc	1
RArad	5.4443363646	DErad	-0.6386941575	Plx	19.16	PmRA	11.42
PmDE	-75.87	E RArad	1.32	E DErad	0.96	E Plx	1.8
E pmRA	1.59	E pmDE	1.35	Hpmag	9.5896	E Hpmag	0.0089
SHp	0.079	VA	1	BV	0.939	E BV	0.028
VI	0.93

20478-3636 B

Componente originario normalizzato	AB		Coord arcsec 2000	204745.21-363531.6		Mag	17.7		Calc delta mag	10
Calc coord	yes