15583-1837 LAF 90

15^h 58^m 20.55^s -18° 37' 24.8" P.A. 352.00 sep 5.6 mag 7.61,11.47 Sp G4

Coord 2000	15583-1837	Discov num	LAF 90	Comp		Coord arcsec 2000	15 58 20.55 -18 37 24.8
Date first	1999	Date last	2015	Obs	5
Pa first	353	Pa last	351.7	P.A. Now (θ)	351.7°
Sep first	5.7	Sep last	5.634	Sep. Now (ρ)	5.634"
Mag pri	7.61	Mag sec	11.47	delta mag (ΔM)	3.86	Spectral class	G4 (yellow)
Pri motion ra	-016	Sec motion ra
Pri motion dec	-025	Sec motion dec
Notes	K (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

Constellation

Libra

Gaia DR2

6248340348034690688

WDS 15583-1837 LAF 90 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Laf2007	A j	Lafreniere, D., Doyon, R., Marois, C., Nadeau, D., Oppenheimer, B.R., Roche, P.F.,	2007ApJ...670.1367L
Laf2007	+C	Rigaut, F., Graham, J.R., et al.
Laf2007		ApJ 670, 1367, 2007
Laf2008	A j	Lafreniere, D., Jayawardhana, R., Brandeker, A., Ahmic, M., & van Kerkwijk, M.H.	2008ApJ...683..844L
Laf2008	+Hp	ApJ 683, 844, 2008
Laf2008b	A j	Lafreniere, D., Jayawardhana, R., & van Kerkwijk, M.H.	2008ApJ...689L.153L
Laf2008b		ApJ 689, L153, 2008
Laf2009	Hn u	Lafreniere, D., Marois, C., Doyon, R., & Barman, T.	2009ApJ...694L.148L
Laf2009		ApJ 694, L148, 2009
Laf2010	A u	Lafreniere, D., Jayawardhana, R., & van Kerkwijk, M.H.	2010ApJ...719..497L
Laf2010		ApJ 719, 497, 2010
Laf2011	A u	Lafreniere, D., Jayawardhana, R., Janson, M., Helling, C., Witte, S., &	2011ApJ...730...42L
Laf2011		Hauschildt, P.
Laf2011		ApJ 730, 42, 2011
Laf2011		(photometry of both components based on 2MASS PSC plus their contrast measures)
Laf2014	A j	Lafreniere, D., Jayawardhana, R., van Kerkwijk, M.H., Brandeker, A., & Janson, M.	2014ApJ...785...47L
Laf2014	+Al	ApJ 785, 47, 2014

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15583-1837	LAF 90		2010	3	352	5.7	7.61	11.47	G4	K	155820.55-183724.8
15583-1837	LAF 90		2015	5	352	5.6	7.61	11.47	G4	K	155820.55-183724.8

If you need more information about this double, apply for a data request form to the WDS.

WDS 15583-1837 LAF 90 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15583-1837 LAF 90 : MEASURES

No records found.

WDS 15583-1837 : VIRTUAL EYEPIECE

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

WDS 15583-1837 : ALADIN DSS IMAGE @ 15^h 58^m 20.55^s -18° 37' 24.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15583-1837 LAF 90 : 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		15583-1837	LAF 90		352	5.6	1
Show		15590-1844	KSA 121	AB	56	0.9	12
Show		15590-1844	KSA 121	AC	320	3.3	12
Show		15597-1848	GWP2573		92	12.8	22
Show		15568-1854	BRT1495		354	3.7	28
Show		15575-1903	USD 178		124	1.0	29
Show		16002-1811	UC 3102		155	121.0	38
Show		15588-1758	MET 66		226	9.1	40
Show		15564-1805	LDS4603		38	3.6	43
Show		16010-1858	HDS2257		231	0.4	43
Show		16008-1928	USD 299		129	0.6	56
Show		15567-1736	LDS4605		135	28.6	65
Show		15592-1734	TDS9711		248	0.6	65
Show		15550-1923	HU 1274		114	0.4	66
Show		16006-1739	RST2992		81	2.4	67
Show		16011-1742	ARA 243		117	13.4	68
Show		16014-1937	USD 315		110	0.4	74
Show		16030-1806	MET 68	AB	191	1.6	74
Show		16030-1806	MET 68	AC	275	5.8	74
Show		16030-1806	MET 68	AD	73	9.1	74
Show		16030-1806	MET 68	AE	107	9.7	74
Show		15570-1951	KSA 117		297	0.5	76
Show		15591-1956	SHJ 213	AB	318	17.8	80
Show		16028-1931	KSA 79		73	28.6	83
Show		15533-1924	VSP 46		216	0.0	85
Show		16034-1752	KSA 82	AB	94	2.6	86
Show		16034-1752	USD 390	Aa,Ab	317	0.1	86
Show		16045-1905	KSA 83	AB	314	24.2	92
Show		16045-1905	KSA 83	Aa,Ab	128	0.9	92
Show		16045-1905	LAF 103	AC	252	6.7	92
Show		16045-1905	LAF 103	AD	322	10.0	92
Show		15543-1726	J 1588	BC	145	16.9	92
Show		15543-1726	J 1588	AB	168	9.0	92
Show		16040-1751	USD 417		250	2.2	93
Show		16050-1832	GWP2591	BC	114	13.2	95
Show		16050-1832	GWP2590	AB	236	74.7	96
Show		16039-1932	GWP2584		196	33.0	96
Show		15516-1856	OCC 452		-1	0.3	98
Show		16044-1925	RST2998		232	0.8	98
Show		16024-1957	LAF 95	AB	341	5.3	98
Show		16024-1957	LAF 95	AC	326	5.7	98
Show		16024-1957	LAF 95	AD	197	6.2	98
Show		16031-1950	OCC 449		-1	0.0	100
Show		15566-2017	KPP 357		20	3.8	103
Show		15564-2016	TOK 735		177	0.2	103
Show		16048-1749	USD 447	AB	322	2.9	105
Show		16048-1749	USD 447	AC	230	3.4	105
Show		16020-2008	KSA 123		218	0.0	105
Show		16040-1946	LAF 101	AB	242	9.5	106
Show		16048-1930	MET 69	Aa,Ab	69	0.0	106
Show		16048-1930	MET 69	FB	338	5.5	106

WDS 15583-1837 : COMPONENTS

	A
B	pa=352.1° sep=5.63"

15583-1837 A

Componente originario normalizzato	AB		Coord arcsec 2000	155820.55-183724.8		Mag	7.61		Spectral class	G4 (yellow)
PmRA	-16.00		PmDE	-25.0

15583-1837 B

Componente originario normalizzato	AB		Coord arcsec 2000	155820.50-183719.2		Mag	11.47		Calc delta mag	3.86
Calc coord	yes