15506-1831 GWP 2557

15^h 50^m 36.98^s -18° 31' 15.0" P.A. 50.00 sep 34.9 mag 14.50,16.40

Coord 2000	15506-1831	Discov num	GWP2557	Comp		Coord arcsec 2000	15 50 36.98 -18 31 15.0
Date first	1991	Date last	2015	Obs	5
Pa first	50	Pa last	50.2	P.A. Now (θ)	50.2°
Sep first	34.6	Sep last	34.864	Sep. Now (ρ)	34.864"
Mag pri	14.50	Mag sec	16.40	delta mag (ΔM)	1.9	Spectral class
Pri motion ra	-034	Sec motion ra	-040
Pri motion dec	-054	Sec motion dec	-054
Notes	V (Proper motion indicates physical)

rPM=0.089 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Libra

Gaia DR2

6248172741231874048

WDS 15506-1831 GWP 2557 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
GWP		Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP		Observatory (OAG) CPMWP Survey
GWP		Part I (2012): Measures of 1725 pairs. Equatorial zone
GWP		(RA 00h00m to 11h59m, DEC +20 to -20 deg)
GWP		Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP		Observatory (OAG) CPMWP Survey
GWP		Part II (2016): Measures of 1657 pairs. Equatorial zone
GWP		(RA 12h00m to 23h59m, DEC +20 to -20 deg)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15506-1831	GWP2557		1998	2	50	34.9	14.50	16.40		V	155036.98-183115.0
15506-1831	GWP2557		2010	3	50	34.5	14.50	16.40		V	155036.98-183115.0
15506-1831	GWP2557		2015	4	50	34.9	14.50	16.40		V	155036.98-183115.0

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

WDS 15506-1831 GWP 2557 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15506-1831 GWP 2557 : MEASURES

No records found.

WDS 15506-1831 : VIRTUAL EYEPIECE

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WDS 15506-1831 : ALADIN DSS IMAGE @ 15^h 50^m 36.98^s -18° 31' 15.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15506-1831 GWP 2557 : 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		15506-1831	GWP2557		50	34.9
Show		15501-1809	OCC 51		-1	0.1	25
Show		15491-1844	ARA 431		141	12.2	25
Show		15516-1856	OCC 452		-1	0.3	29
Show		15488-1857	GWP2555		304	98.2	37
Show		15476-1829	UC 3067		242	48.4	43
Show		15481-1747	LSC 60		306	0.7	58
Show		15470-1908	HU 656		16	1.4	64
Show		15533-1924	VSP 46		216	0.0	66
Show		15454-1820	KPP1438			10.8	75
Show		15550-1923	HU 1274		114	0.4	81
Show		15524-1714	SKI 9	AB	270	2.4	82
Show		15524-1714	FOX9010	AC	285	40.2	82
Show		15543-1726	J 1588	BC	145	16.9	84
Show		15543-1726	J 1588	AB	168	9.0	85
Show		15564-1805	LDS4603		38	3.6	88
Show		15527-1956	RST2983		51	1.5	90
Show		15568-1854	BRT1495		354	3.7	91
Show		15469-1707	HDS2221		336	0.1	101
Show		15575-1903	USD 178		124	1.0	103
Show		15567-1736	LDS4605		135	28.6	104
Show		15583-1837	LAF 90		352	5.6	111
Show		15549-1658	ALD 57		98	5.3	113
Show		15443-1943	HU 654		14	1.1	115
Show		15458-1657	TOK 169		112	20.0	117
Show		15538-1644	OCC 985		-1	0.1	117
Show		15590-1844	KSA 121	AB	56	0.9	121
Show		15590-1844	KSA 121	AC	320	3.3	121
Show		15570-1951	KSA 117		297	0.5	121
Show		15588-1758	MET 66		226	9.1	122
Show		15531-1634	HDS2237		282	0.5	123
Show		15448-2003	B 2366		26	1.4	124
Show		15515-2035	OCC 689		-1	0.4	125
Show		15473-2028	TOK 675		85	167.3	126
Show		15512-2038	BRT1494		103	5.1	128
Show		15597-1848	GWP2573		92	12.8	131
Show		15423-1929	HU 653		177	4.3	132
Show		15506-2043	RSS 387		209	22.5	132
Show		15564-2016	TOK 735		177	0.2	134
Show		15450-1643	HU 655		32	2.2	135
Show		15592-1734	TDS9711		248	0.6	136
Show		15566-2017	KPP 357		20	3.8	136
Show		15495-1615	UC 3069		330	55.8	138
Show		16002-1811	UC 3102		155	121.0	138
Show		15419-1941	ENG 54		283	169.9	142
Show		15577-1649	HDS2248		117	0.7	145
Show		15405-1842	HDS2211	AB	26	0.6	145
Show		15405-1842	CVN 53	AC	103	8.9	145
Show		15405-1842	CVN 53	AD	224	11.6	145
Show		16008-1928	USD 299		129	0.6	145
Show		15537-2049	SKF1642		68	1.1	145

WDS 15506-1831 : COMPONENTS

	A
B	pa=48.7° sep=33.81"

15506-1831 A

Componente originario normalizzato	AB		Coord arcsec 2000	155036.98-183115.0		Mag	14.5		PmRA	-34.00
PmDE	-54.0

15506-1831 B

Componente originario normalizzato	AB		Coord arcsec 2000	155038.77-183052.7		Mag	16.4		PmRA	-40.00
PmDE	-54.0		Calc delta mag	1.9		Calc coord	yes