23573-1259 BWL 67 Aa,Ab

Coord 2000	23573-1259		Discov num	BWL  67		Comp	Aa,Ab		Coord arcsec 2000	23 57 20.56 -12 58 48.7
Date first	2012		Date last	2018		Obs	12
Pa first	348		Pa last	342.6		P.A. Now (θ)	342.6°
Sep first	0.5		Sep last	0.755		Sep. Now (ρ)	0.755"
Mag pri	7.90		Mag sec	11.00		delta mag (ΔM)	3.1		Spectral class	M4V+M8 (red/red)
Pri motion ra	+211		Sec motion ra
Pri motion dec	+015		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.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			23 57 21 -12 58 49	BWL 67 Aa,Ab	2018	12	343	0.8	7.90	11.00	3.10		<===
Show			23 57 21 -12 58 49	LDS 830 AB	2016	10	295	19.7	13.02	13.00	0.02

Triple system
2 estimated visually detectable stars in this system

Constellation

Cetus

Gaia DR2

2421080250237097344

discov_num	notes	refcode
LDS 830	NLTT 58528/58527	Chm2004

refcode	metd	author	reference
Chm2004	E -	Chaname, J. & Gould, A.	2004ApJ...601..289C
Chm2004		ApJ 601, 289, 2004
Chm2004		(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004		versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004		identical to discovery observations - predominantly close pairs - were assumed
Chm2004		not new observations, so not included in WDS. Similar concerns when primary and
Chm2004		secondary magnitudes or proper motions were the same.)

idgroup	discov	author
1	BWL	Bowler, B.P., Liu, M.C., Shkolnik, E.L., Dupuy, T.J., Cieza, L.A., Kraus, A.L., &
1	BWL	Tamura, M.
10	BWL	Bowler, B.P., Shkolnik, E.L., Liu, M.C., Schlieder, J.E., Mann, A.W., Dupuy, T.J.,
10	BWL	Hinkley, S., Crepp, J., Johnson, J., Howard, A., Flagg, L., Weinberger, A., et al.
11	BWL	Bowler, B.P., Dupuy, T.J., Endl, M., Cochran, W.D., MacQueen, P.J., Fulton, B.J.,
11	BWL	Petigura, E.A., Howard, A.W., Hirsch, L., Kratter, K.M., Crepp, J.R., Biller, B.A.,
11	BWL	Johnson, M.C. & Wittenmyer, R.A.
13	LDS	Luyten p.m. catalog (from additional DD list)

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
23573-1259	BWL 67	Aa,Ab	2014	11	346	0.6	7.90	10.95	M4.5+M8	K	235720.56-125848.7
23573-1259	BWL 67	Aa,Ab	2018	12	343	0.8	7.90	10.95	M4.5+M8	N K	235720.56-125848.7

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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