21568+0017 LAW 29 Ba,Bb

Coord 2000	21568+0017		Discov num	LAW  29		Comp	Ba,Bb		Coord arcsec 2000	21 56 47.09 +00 16 53.9
Date first	2008		Date last	2008		Obs	2
Pa first	149		Pa last	149		P.A. Now (θ)	149°
Sep first	0.1		Sep last	0.06		Sep. Now (ρ)	0.06"
Mag pri	18.84		Mag sec			delta mag (ΔM)			Spectral class	M4.5+M5.0 (red/red)
Pri motion ra	-038		Sec motion ra
Pri motion dec	-058		Sec motion dec
Notes	R (Red magnitudes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 56 48 +00 17 01	LAW 29 Aa,Ab	2008	2	126	0.1	16.61
Show			21 56 48 +00 17 01	LAW 29 AB	2016	9	249	19.6	16.61	18.84	2.23
Show			21 56 47 +00 16 54	LAW 29 Ba,Bb	2008	2	149	0.1	18.84				<===

Quadruple system
2 estimated visually detectable stars in this system

Constellation

Aquarius

Gaia DR2

2681344475120891648

No records found.

refcode	metd	author	reference
Law2006	Ss -	Law, N.M., Hodgkin, S.T., & Mackay, C.D.	2006MNRAS.368.1917L
Law2006		MNRAS 368, 1917, 2006
Law2008	Ss -	Law, N.M., Hodgkin, S.T., & Mackay, C.D.	2008MNRAS.384..150L
Law2008		MNRAS 384, 150, 2008
Law2008		All measures of known pairs in Law2008 appear to be off by 90 (or 270) degrees.
Law2008		Corrected and N code code added to measure.
Law2010	Ag j	Law, N.M., Dhital, S., Kraus, A., Stassun, K.G. & West, A.A.	2010ApJ...720.1727L
Law2010	+Es	ApJ 720, 1727, 2010
Law2010	+C

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21568+0017	LAW 29	Ba,Bb	2008	1	149	0.1			M4.5+M5.0		215647.09+001654.2

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No records found.


No records found.

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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