18442-1733 HLD 146

18^h 44^m 16.50^s -17° 31' 54.3" P.A. 194.00 sep 2.2 mag 10.83,11.08

Coord 2000	18442-1733	Discov num	HLD 146	Comp		Coord arcsec 2000	18 44 16.50 -17 31 54.3
Date first	1888	Date last	2016	Obs	6
Pa first	194	Pa last	194.4	P.A. Now (θ)	194.4°
Sep first	2.5	Sep last	2.239	Sep. Now (ρ)	2.239"
Mag pri	10.83	Mag sec	11.08	delta mag (ΔM)	0.25	Spectral class
Pri motion ra	+014	Sec motion ra
Pri motion dec	+014	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Tycho2

6284-00474-1

Gaia DR2

4098784051950279424

ADS

11615

WDS 18442-1733 HLD 146 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Hld1874	Ma -	Holden, E.S.	.
Hld1874		Washington Observations, 1874
Hld1875	Ma -	Holden, E.S.	.
Hld1875		Washington Observations, 1875
Hld1875b	Ma j	Holden, E.S. & Newcomb, S.	1875AN.....86..321H
Hld1875b		AN 86, 321, 1875
Hld1875c	Ma j	Holden, E.S.	1875AN.....86..321H
Hld1875c		AN 86, 321, 1875
Hld1876	Ma -	Holden, E.S.	.
Hld1876		Washington Observations, 1876
Hld1876b	Ma j	Holden, E.S.	1876AN.....88..131H
Hld1876b		AN 88, 131, 1876
Hld1877	Ma -	Holden, E.S.	1877AN.....90..161H
Hld1877		AN 90, 161, 1877
Hld1877b	Ma j	Holden, E.S.	1877AN.....90..161H
Hld1877b		AN 90, 161, 1877
Hld1878	Ma -	Holden, E.S.	.
Hld1878		Washington Observations, 1878
Hld1878b	Ma j	Holden, E.S.	1878AN.....93...65H
Hld1878b		AN 93, 65, 1878 (data also in Hld1878)
Hld1879	Ma -	Holden, E.S.	.
Hld1879		Washington Observations, 1879
Hld1879b	Ma j	Holden, E.S.	1879AN.....95..329H
Hld1879b		AN 95, 329, 1879 (data also in Hld1879)
Hld1880	Ma -	Holden, E.S.	.
Hld1880		Washington Observations, 1880
Hld1880b	Ma j	Holden, E.S.	1880AN.....97..319H
Hld1880b		AN 97, 319, 1880 (data also in Hld1880)
Hld1881	Ma -	Holden, E.S.	.
Hld1881		Washington Observations, 1881
Hld1881b	Ma j	Holden, E.S.	1881MNRAS..41..416.
Hld1881b		MNRAS 41, 416, 1881
Hld1882	Ma -	Holden, E.S.	1882PWasO...1...77H
Hld1882		Pub. Washburn Obs. 1, 77, 1882 (see Pub. Lick Obs. 2, 1894)	1894PLicO...2.....B
Hld1884	Ma -	Holden, E.S.	1884PWasO...2...97H
Hld1884		Pub. Washburn Obs. 2, 97, 1884

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18442-1733	HLD 146		1991	5	193	2.3	10.83	11.08			184416.50-173154.3
18442-1733	HLD 146		2016	6	194	2.2	10.83	11.08			184416.50-173154.3

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

WDS 18442-1733 HLD 146 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18442-1733 HLD 146 : MEASURES

No records found.

WDS 18442-1733 : VIRTUAL EYEPIECE

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WDS 18442-1733 : ALADIN DSS IMAGE @ 18^h 44^m 16.50^s -17° 31' 54.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18442-1733 HLD 146 : 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		18442-1733	HLD 146		194	2.2
Show		18435-1725	RST3194		87	4.0	14
Show		18412-1731	FEN 34		325	3.8	45
Show		18429-1829	ARA 488		167	20.8	61
Show		18480-1814	RST3198		154	0.4	68
Show		18444-1623	HJ 2835		303	15.3	69
Show		18482-1820	J 1636		78	7.1	70
Show		18487-1702	J 2235	BC	5	6.6	70
Show		18480-1647	HJ 2838		335	33.4	70
Show		18480-1817	WSI 36		262	15.8	71
Show		18396-1713	GWP2792		136	22.6	71
Show		18487-1702	J 2235	AB	203	90.0	71
Show		18457-1624	J 1656		287	7.6	72
Show		18494-1740	TDT1072		310	0.7	74
Show		18494-1750	HJ 2840		173	15.2	76
Show		18477-1633	RST4020		26	3.5	77
Show		18496-1654	HWE 44	AB	298	2.0	86
Show		18496-1654	HWE 44	AC	308	36.4	86
Show		18496-1654	KNP 3	AD	200	22.2	86
Show		18498-1655	TDT4316		333	45.1	88
Show		18488-1836	KUI 88		153	0.5	91
Show		18488-1838	RSS 491		334	10.8	93
Show		18386-1816	ARA 486		20	14.6	94
Show		18503-1812	TDT1080		134	0.9	95
Show		18377-1742	FEN 32		119	4.2	95
Show		18510-1747	HJ 2842		338	29.9	98
Show		18500-1826	J 1658		59	8.4	99
Show		18506-1813	RST3200			0.7	100
Show		18505-1818	TDT1081		75	0.5	101
Show		18498-1836	TDT1075		97	0.5	102
Show		18509-1646	HLD 148		30	5.0	103
Show		18408-1603	OL 8		71	3.4	104
Show		18418-1909	J 2221	AB	254	7.5	104
Show		18418-1909	J 2221	AC	346	17.9	104
Show		18516-1719	HU 255		166	1.4	106
Show		18470-1912	HJ 2837		89	11.2	107
Show		18427-1547	HU 250		298	2.2	107
Show		18429-1917	OCC9184		-1	0.1	107
Show		18496-1854	OCC 454		-1	0.1	113
Show		18393-1859	ARA 760		60	5.6	113
Show		18442-1539	BRT 633		42	4.8	113
Show		18388-1853	FEN 33		248	2.6	113
Show		18437-1534	J 2224		202	10.4	120
Show		18375-1619	ARA 111		197	9.2	122
Show		18528-1725	HU 257		341	2.1	122
Show		18363-1649	ARA 109		32	12.6	122
Show		18369-1833	LEO 19		251	3.2	123
Show		18496-1909	OCC 455	AB	-1	0.2	123
Show		18412-1928	OCC9183		-1	0.2	124
Show		18461-1529	HU 251		304	2.6	127
Show		18528-1658	J 2238		182	4.8	128

WDS 18442-1733 : COMPONENTS

	A
B	pa=193.8° sep=2.23"

18442-1733 A

Componente originario normalizzato	AB		Coord arcsec 2000	184416.50-173154.3		Mag	10.83		PmRA	14.00
PmDE	14.0		Tycho2	6284-00474-1		ADS	11615		DM	BD-17 5304

Tycho2

Tycho2	6284-00474-1	Pflag		RAmdeg	281.06876611	DEmdeg	-17.53175310
PmRA	13.6	PmDE	14.1	E RAmdeg	38	E DEmdeg	50
E pmRA	3.5	E pmDE	3.8	EpRAm	1987.30	EpDEm	1985.69
Num	3	Q RAmdeg	1.3	Q DEmdeg	4.8	Q pmRA	1.3
Q pmDE	4.8	BTmag	11.421	E BTmag	0.085	VTmag	10.830
E VTmag	0.083	Prox	23	TYC	T	HIP
CCDM		RAdeg	281.06874083	DEdeg	-17.53174444	EpRA 1990	1.84
EpDE 1990	1.72	E RAdeg	44.8	E DEdeg	62.6	Posflg	D
Corr	0.0

18442-1733 B

Componente originario normalizzato	AB		Coord arcsec 2000	184416.46-173156.5		Mag	11.08		Calc delta mag	0.25
Calc coord	yes