18131+2602 LWR 14 AC

Coord 2000	18131+2602		Discov num	LWR  14		Comp	AC		Coord arcsec 2000	18 13 06.61 +26 01 51.8
Date first	1954		Date last	1954		Obs	1
Pa first	100		Pa last	100		P.A. Now (θ)	100°
Sep first	10.0		Sep last	10		Sep. Now (ρ)	10"
Mag pri	12.80		Mag sec			delta mag (ΔM)			Spectral class	M4 (red)
Pri motion ra	+218		Sec motion ra
Pri motion dec	-036		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 13 07 +26 01 52	LWR 14 AB	1998	1	226	1.5	9.10	14.40	5.30
Show			18 13 07 +26 01 52	LWR 14 AC	1954	1	100	10.0	12.80				<===
Show			18 13 07 +26 01 52	BWL 48 AD	2011	1	262	4.1	8.07	15.40	7.33

Quadruple system
4 estimated visually detectable stars in this system

Constellation

Hercules

Gaia DR2

4579825847951057792

discov_num	notes	refcode
BWL 48	AD: Colors and/or astrometry are inconsistent with a late-type common
	proper motion companion based on visual inspection of the field from
	2MASS, SDSS, DSS1, and/or DSS2. Primary is GJ 4044.	Bwl2015

refcode	metd	author	reference
Bwl2015	Ac j	Bowler, B.P., Liu, M.C., Shkolnik, E.L., & Tamura, M.	2015ApJS..216....7B
Bwl2015		ApJS 216, 7, 2015

idgroup	discov	author
1	LWR	Lowrance, P.J., McCarthy, C., Becklin, E.E., Zuckerman, B., Schneider, G.,
1	LWR	Webb, R.A., Hines, D.C., Kirkpatrick, J.D., et al.
4	LWR	Lowrance, P.J., Schneider, G., Kirkpatrick, J.D., Becklin, E.E., Weinberger, A.J.,
4	LWR	Zuckerman, B., Plair, P., Malmuth, E.M., et al.
9	LWR	Lowrance, P.J., Becklin, E.E., Schneider, G., Kirkpatrick, J.D., Weinberger, A.J.,
9	LWR	Zuckerman, B., Dumas, C., Beuzit, J.-L., et al.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18131+2602	LWR 14	AC	1954	1	100	10.0	12.77		M4		181306.15+260144.5

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS