20528-1610 BU 154 (HD 198730)

20^h 52^m 49.68^s -16° 09' 54.5" P.A. 61.00 sep 3.0 mag 8.97,9.97 Sp G2V dist. 247.52 pc (807.41 l.y.)

Coord 2000	20528-1610	Discov num	BU 154	Comp		Coord arcsec 2000	20 52 49.68 -16 09 54.5
Date first	1873	Date last	2017	Obs	30
Pa first	55	Pa last	60.5	P.A. Now (θ)	60.5°
Sep first	2.5	Sep last	2.995	Sep. Now (ρ)	2.995"
Mag pri	8.97	Mag sec	9.97	delta mag (ΔM)	1	Spectral class	G2V (yellow)
Pri motion ra	+005	Sec motion ra	+028
Pri motion dec	-032	Sec motion dec	-017
Notes

rPM=0.838

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 198730	Constellation	Capricornus	SAO	163948	HIP	103059
Tycho2	6344-00409-1	Gaia DR2	6883150494503528192	HD	198730	GC	29113
BD	BD-16 5718	Distance	247.52	Distance ly	807.41

WDS 20528-1610 BU 154 (HD 198730) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Bu_1873a	Ma -	Burnham, S.W. (BU 1 - 81)	1873MNRAS..33..351B
Bu_1873a		MNRAS 33, 351, 1873
Bu_1873b	Ma -	Burnham, S.W. (BU 82 - 106)	1873MNRAS..33..437B
Bu_1873b		MNRAS 33, 437, 1873
Bu_1873c	-	Burnham, S.W.	1873MNRAS..33..567B
Bu_1873c		MNRAS 33, 567, 1873
Bu_1873d	Ma -	Burnham, S.W. (BU 107 - 182)	1873MNRAS..34...59B
Bu_1873d		MNRAS 34, 59, 1873
Bu_1874a	Ma -	Burnham, S.W. (BU 183 - 229)	1874MNRAS..34..382B
Bu_1874a		MNRAS 34, 382, 1874
Bu_1874b	Ma -	Burnham, S.W. (BU 230 - 300)	1874MNRAS..35...31B
Bu_1874b		MNRAS 35, 31, 1874
Bu_1874c	-	Burnham, S.W.	1874MNRAS..34..370B
Bu_1874c		MNRAS 34, 370, 1874
Bu_1874d	Ma -	Burnham, S.W.	1874MNRAS..34..393B
Bu_1874d		MNRAS 34, 393, 1874
Bu_1874e	Ma -	Burnham, S.W.	1874MNRAS..35...28B
Bu_1874e		MNRAS 35, 28, 1874
Bu_1875	Ma -	Burnham, S.W. (BU 301 - 390)	1875AN.....86..337B
Bu_1875		AN 86, 337, 1875
Bu_1876	Ma -	Burnham, S.W. (BU 391 - 436)	1876AN.....88..225B
Bu_1876		AN 88, 225, 1876
Bu_1876b	-	Burnham, S.W.	1876MNRAS..36...99B
Bu_1876b		MNRAS 36, 99, 1876
Bu_1876c	-	Burnham, S.W.	1876MNRAS..36..331B
Bu_1876c		MNRAS 36, 331, 1876 (no new data)
Bu_1877	Ma -	Burnham, S.W. (BU 453 - 482)	1877MNRAS..38...78B
Bu_1877		MNRAS 38, 78, 1877
Bu_1878a	Ma -	Burnham, S.W.	1878MNRAS..38..408B
Bu_1878a		MNRAS 38, 408, 1878
Bu_1878b	-	Burnham, S.W.	1878MNRAS..38..476B
Bu_1878b		MNRAS 38, 476, 1878
Bu_1878c	-	Burnham, S.W.	1878MNRAS..38..478B
Bu_1878c		MNRAS 38, 478, 1878
Bu_1878d	Ma j	Burnham, S.W.	1878AN.....92..235B
Bu_1878d		AN 92, 235, 1878
Bu_1879	Ma j	Burnham, S.W.	1879MmRAS..44..141B
Bu_1879		MemRAS 44, 141, 1879
Bu_1879B	Ma -	Burnham, S.W.	1879Obs.....3...20G
Bu_1879B		cited by Gledhill (Obs 3, 20, 1879)
Bu_1879C	Ma -	Burnham, S.W.	1879Obs.....3..142G
Bu_1879C		cited by Gledhill (Obs 3, 142, 1879)
Bu_1879d	Ma -	Burnham, S.W.	1879Obs.....3...92B
Bu_1879d		Obs 3, 92, 1879
Bu_1879e	Ma -	Burnham, S.W.	1879MNRAS..40...99B
Bu_1879e		MNRAS 40, 99, 1879
Bu_1880A	Ma -	Burnham, S.W.	1880Obs.....3..508G
Bu_1880A		cited by Gledhill (Obs 3, 508, 1880)
Bu_1880C	Ma -	Burnham, S.W.	1880Obs.....3..314G
Bu_1880C		cited by Gledhill (Obs 3, 314, 1880)
Bu_1880D	Ma -	Burnham, S.W.	1880Obs.....3..352G
Bu_1880D		cited by Gledhill (Obs 3, 352, 1880)
Bu_1880e	Ma -	Burnham, S.W.	1880Obs.....3..408B
Bu_1880e		Obs 3, 408, 1880
Bu_1880f	Ma -	Burnham, S.W.	1880MNRAS..40..497B
Bu_1880f		MNRAS 40, 497, 1880
Bu_1880g	Ma -	Burnham, S.W.	1880MNRAS..41...33B
Bu_1880g		MNRAS 41, 33, 1880
Bu_1881	Ma j	Burnham, S.W.	1881Obs.....4...19G
Bu_1881		cited by Gledhill (Obs 4, 19, 1881)
Bu_1882a	Ma -	Burnham, S.W. (BU 776 - 863)	1882PWasO...1...91B
Bu_1882a		Pub. Washburn Obs. 1, 91, 1882
Bu_1882b	Ma -	Burnham, S.W.	1882PWasO...1..113B
Bu_1882b		Pub. Washburn Obs. 1, 113, 1882
Bu_1883	Ma j	Burnham, S.W. (BU 864 - 1025)	1883MmRAS..47..167B
Bu_1883		MemRAS 47, 167, 1883
Bu_1883b	Ma -	Burnham, S.W.	1883MNRAS..43..318B
Bu_1883b		MNRAS 43, 318, 1883
Bu_1884	Ma j	Burnham, S.W.	1884MNRAS..44..365H
Bu_1884		MNRAS 44, 365, 1884
Bu_1884b	Ma -	Burnham, S.W.	1884AN....110..133B
Bu_1884b		AN 110, 133, 1884
Bu_1884C	Ma -	Burnham, S.W.	1884AReg...22..216S
Bu_1884C		cited by Sadler (Astr. Register 22, 216, 1884)
Bu_1887	Ma -	Burnham, S.W. (BU 734 - 775)	1887PLicO...1...24B
Bu_1887		Pub. Lick Obs. 1, 24,45, 1887
Bu_1889a	Ma -	Burnham, S.W.	1889AN....122..159B
Bu_1889a		AN 122, 159, 1889 (measures also in Bu_1894c)	1894PLicO...2..197B
Bu_1889b	Ma -	Burnham, S.W. (BU 1026 - 1038)	1889AN....123....1B
Bu_1889b		AN 123, 1, 1889 (measures also in Bu_1894a)	1894PLicO...2..185B
Bu_1889c	Ma -	Burnham, S.W.	1889AN....123...75B
Bu_1889c		AN 123, 75, 1889 (measures also in Bu_1894c)	1894PLicO...2..197B
Bu_1889d	Ma -	Burnham, S.W.	1889PASP....1...36B
Bu_1889d		PASP 1, 36, 1889 (measures also in Bu_1894)	1894PLicO...2....3B
Bu_1889e	Ma j	Burnham, S.W.	1889AN....121...63B
Bu_1889e		AN 121, 63, 1889 (measures also in Bu_1894c)	1894PLicO...2..197B
Bu_1889f	Ma j	Bunham, S.W.	1889MNRAS..49..418B
Bu_1889f		MNRAS 49, 418, 1889
Bu_1890a	Ma -	Burnham, S.W. (BU 1093 - 1154)	1889AN....124...49B
Bu_1890a		AN 124, 49, 1890 (measures also in Bu_1894c)	1894PLicO...2..197B
Bu_1890b	Ma -	Burnham, S.W.	1890AN....125...41B
Bu_1890b		AN 125, 41, 1890 (measures also in Bu_1894)	1894PLicO...2....3B
Bu_1890c	Ma -	Burnham, S.W.	1890PASP....2..138B
Bu_1890c		PASP 2, 138, 1890 (measures also in Bu_1894)	1894PLicO...2....3B
Bu_1891a	orb -	Burnham, S.W.	1891SidM...10..273B
Bu_1891a		Sidereal Messenger 10, 273, 1891
Bu_1891b	orb -	Burnham, S.W.	1891Obs....14..263B
Bu_1891b		Observatory 14, 263, 1891
Bu_1891c	Ma j	Burnham, S.W.	1891AN....127..289B
Bu_1891c		AN 127, 289, 1891
Bu_1892	Ma -	Burnham, S.W. (BU 1225 - 1266)	1892AN....130..257B
Bu_1892		AN 130, 257, 1892 (measures also in Bu_1894e)	1894PLicO...2..221B
Bu_1892b	Ma -	Burnham, S.W.	1892AN....130...77B
Bu_1892b		AN 130, 77, 1892
Bu_1893a	Ma -	Burnham, S.W.	1893AN....131..329B
Bu_1893a		AN 131, 329, 1893 (most measures also in Bu_1894)	1894PLicO...2.....B
Bu_1893b	orb -	Burnham, S.W.	1893MNRAS..53..478B
Bu_1893b		MNRAS 53, 478, 1893
Bu_1893c	orb -	Burnham, S.W.	1893MNRAS..54..119B
Bu_1893c		MNRAS 54, 119, 1893
Bu_1893d	orb -	Burnham, S.W.	1893AstAp..12..494B
Bu_1893d		AstAp 12, 494, 1893
Bu_1893e	orb -	Burnham, S.W.	1893AstAp..12..585B
Bu_1893e		AstAp 12, 585, 1893
Bu_1893f	Ma -	Burnham, S.W. (BU 1267 - 1274)	1893MNRAS..53..273B
Bu_1893f		MNRAS 53, 273, 1893 (most measures also in Bu_1893a)	1893AN....131..329B
Bu_1893g	orb -	Burnham, S.W.	1893MNRAS..53..482B
Bu_1893g		MNRAS 53, 482, 1893
Bu_1894	Ma j	Burnham, S.W.	1894PLicO...2....3B
Bu_1894		Pub. Lick Obs. 2, 3, 1894 (includes most data from Bu_1893a)	1893AN....131..329B
Bu_1894a	Ma j	Burnham, S.W. (BU 1026 - 1038)	1894PLicO...2..185B
Bu_1894a		Pub. Lick Obs. 2, 185, 1894
Bu_1894b	Ma j	Burnham, S.W. (BU 1039 - 1092)	1894PLicO...2..188B
Bu_1894b		Pub. Lick Obs. 2, 188, 1894
Bu_1894c	Ma -	Burnham, S.W. (BU 1093 - 1154)	1894PLicO...2..197B
Bu_1894c		Pub. Lick Obs. 2, 197, 1894
Bu_1894d	Ma -	Burnham, S.W. (BU 1155 - 1224)	1894PLicO...2..206B
Bu_1894d		Pub. Lick Obs. 2, 206, 1894
Bu_1894e	Ma -	Burnham, S.W. (BU 1225 - 1266)	1894PLicO...2..221B
Bu_1894e		Pub. Lick Obs. 2, 221, 1894
Bu_1894f	Ma -	Burnham, S.W. (BU 1267 - 1274)	1894PLicO...2..229B
Bu_1894f		Pub. Lick Obs. 2, 229, 1894 (all measures also in Bu_1893f)	1893MNRAS..53..273B
Bu_1894g	Ma -	Burnham, S.W.	1894PLicO...2..159B
Bu_1894g		Pub. Lick Obs. 2, 159, 1894
Bu_1898	orb -	Burnham, S.W.	1898MNRAS..59...59B
Bu_1898		MNRAS 58, 59, 1898
Bu_1900	Ma -	Burnham, S.W.	1900PYerO...1....1B
Bu_1900		Pub. Yerkes Obs. 1, 1, 1900
Bu_1902A	Ma j	Burnham, S.W.	1902AN....158..241E
Bu_1902A		cited by Espin (AN 158, 241, 1902)
Bu_1903	Ma -	Burnham, S.W.	1903PYerO...2....1B
Bu_1903		Pub. Yerkes Obs. 2, 1, 1903
Bu_1906	Ma j	Burnham, S.W.	1906QB821.B972.....
Bu_1906	+M	Burnham Double Star Cat., 1906
Bu_1906B	Ma -	Burnham, S.W.	1906MmRAS..56....1L
Bu_1906B	+orb	cited by Lewis (MemRAS 56, 1, 1906)
Bu_1907	Ma -	Burnham, S.W.	1907AN....176..129B
Bu_1907		AN 176, 129, 1907 (most data in Bu_1913)	1913QB811.B8.......
Bu_1908	Ma -	Burnham, S.W.	1908MNRAS..68..517B
Bu_1908		MNRAS 68, 517, 1908
Bu_1908A	Ma -	Burnham, S.W.	1908MNRAS..68..465B
Bu_1908A		cited by Barnard (MNRAS 68, 465, 1908)
Bu_1909	Ma -	Burnham, S.W.	1909AN....180...65B
Bu_1909		AN 180, 65, 1909 (most data in Bu_1913)	1913QB811.B8.......
Bu_1909b	Ma j	Burnham, S.W.	1909AN....182..133B
Bu_1909b		AN 182, 133, 1909
Bu_1910	Ma -	Burnham, S.W.	...................
Bu_1910		Journal Astronomique 1, no. 11, 81, 1910
Bu_1910b	Ma -	Burnham, S.W.	1910AN....185..145B
Bu_1910b		AN 185, 145, 1910 (most data in Bu_1913)	1913QB811.B8.......
Bu_1911	-	Burnham, S.W.	1911MNRAS..72..156J
Bu_1911		MNRAS 72, 156, 1911
Bu_1911b	Ma j	Burnham, S.W.	1911AN....189..385B
Bu_1911b		AN 189, 385, 1911
Bu_1913	Ma j	Burnham, S.W.	1913QB811.B8.......
Bu_1913	+Pa	Carnegie Inst. Wash. #168, 1913
Bu_1913	+T
Bu_1918	Ma j	Burnham, S.W.	1918AJ.....31..141B
Bu_1918		AJ 31, 141, 1918
Bu_1923A	Ma -	Burnham, S.W.	1923MNRAS..83..154E
Bu_1923A		cited by Espin (MNRAS 83, 154, 1923)
Bu_1927A	Ma -	Burnham, S.W.	1927sdsc.book......
Bu_1927A		cited in SDS (Southern Double Star Cat.), 1927
Bu_1932A	Ma -	Burnham, S.W.	1932QB821.A43......
Bu_1932A		cited in ADS (Aitken Double Star Cat.), 1932
Bu_1963A	Ma -	Burnham, S.W.	1963icvd.book.....J
Bu_1963A		cited in IDS (Lick Index Cat.), 1963
Bu_2002A	Ma -	Burnham, S.W.	2002yCat.1275....0D
Bu_2002A		cited in CCDM

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20528-1610	BU 154		2001	22	60	3.0	8.97	9.97	G2V		205249.68-160954.5
20528-1610	BU 154		2012	25	60	2.7	8.97	9.97	G2V		205249.68-160954.5
20528-1610	BU 154		2017	27	61	3.0	8.97	9.97	G2V		205249.68-160954.5

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

WDS 20528-1610 BU 154 (HD 198730) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20528-1610 BU 154 (HD 198730) : MEASURES

No records found.

WDS 20528-1610 (HD 198730) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 20528-1610 (HD 198730) : ALADIN DSS IMAGE @ 20^h 52^m 49.68^s -16° 09' 54.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20528-1610 BU 154 (HD 198730) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20528-1610	BU 154		61	3.0
Show		20526-1609	SPF 2		124	0.1	4
Show		20519-1631	HJ 3001		241	6.6	25
Show		20557-1625	DAM 219		117	8.2	45
Show		20557-1547	GWP3018		249	15.2	48
Show		20538-1516	UC 4320		156	10.3	57
Show		20494-1638	RST3269		71	2.1	57
Show		20537-1711	GWP3014		264	9.5	62
Show		20550-1705	SKF2092		68	8.3	64
Show		20571-1539	SKF2093		197	16.6	69
Show		20533-1719	HLD 42		44	1.3	70
Show		20558-1707	JAY 1	AB	324	1.1	72
Show		20558-1707	TOK 343	AC	138	324.9	72
Show		20558-1707	JAY 2	CD	141	2.2	77
Show		20477-1542	OCC1007		-1	0.1	80
Show		20593-1628	SKF2095			14.4	96
Show		20465-1642	SKI 11		289	3.9	97
Show		20468-1655	ARN 110		90	59.4	99
Show		20571-1453	TVB 318		49	16.0	99
Show		20569-1731	OCC 351		-1	0.2	101
Show		20464-1653	HU 271		100	0.3	102
Show		20595-1653	UC 4353		143	15.1	105
Show		20452-1548	OCC 290		-1	0.1	112
Show		20530-1416	HU 272		184	3.5	114
Show		21008-1606	GWP3028		345	14.1	116
Show		20578-1749	DVG 47		343	41.2	123
Show		20493-1802	HJ 3000		251	33.4	123
Show		21002-1507	OCC1006		-1	0.1	125
Show		21006-1705	HO 461		229	3.0	125
Show		21016-1626	OCC1016		-1	0.1	128
Show		20587-1429	OCC 19	AB	-1	0.1	132
Show		20587-1429	SKF2094	AC	118	129.0	132
Show		21001-1449	RST4072		142	1.9	133
Show		20439-1646	RST3268		119	1.7	134
Show		20555-1400	LDS6418	AB	185	107.3	135
Show		20555-1400	TSN 195	Aa,Ab	190	0.1	135
Show		20448-1458	OCC 20	AB	-1	0.1	138
Show		20448-1458	OCC 20	AC	-1	0.1	138
Show		20484-1812	OCC9211	EF	46	0.6	138
Show		20484-1812	S 763	AB	293	15.8	138
Show		20484-1812	S 763	AC	177	542.3	138
Show		20444-1503	HJ 1567		344	30.6	139
Show		21009-1732	OCC 607		-1	-1.0	142
Show		21025-1544	GWP3030		37	56.1	143
Show		20599-1750	ALD 120		120	3.7	143
Show		21006-1740	HLD 165		172	8.2	144
Show		20484-1812	S 763	CD	333	9.1	146
Show		20433-1701	RST3267		217	1.4	147
Show		21026-1528	OCC1013		-1	0.0	147
Show		20518-1336	BRT2777		333	3.5	156
Show		21018-1440	BRT2778		179	3.5	158

WDS 20528-1610 : COMPONENTS

	A
B	pa=59.5° sep=2.91"

20528-1610 A

Componente originario normalizzato	AB	Name	HD 198730	Coord arcsec 2000	205249.68-160954.5	Mag	8.97
Spectral class	G2V (yellow)	PmRA	5.00	PmDE	-32.0	SAO	163948
HIP	103059	Tycho2	6344-00409-1	HD	198730	GC	29113
BD	BD-16 5718

Tycho2

Tycho2	6344-00409-1	Pflag	P	RAmdeg	313.20699795	DEmdeg	-16.16512890
PmRA	22.9	PmDE	-18.5	E RAmdeg	27	E DEmdeg	31
E pmRA	2.5	E pmDE	2.5	EpRAm	1989.74	EpDEm	1989.22
Num	4	Q RAmdeg	1.9	Q DEmdeg	1.6	Q pmRA	1.9
Q pmDE	1.6	BTmag	9.684	E BTmag	0.027	VTmag	8.965
E VTmag	0.020	Prox	30	TYC	T	HIP	103059
CCDM	A	RAdeg	313.20679333	DEdeg	-16.16516806	EpRA 1990	1.67
EpDE 1990	1.65	E RAdeg	12.8	E DEdeg	14.3	Posflg	D
Corr	-0.1

SAO

SAO	163948	DelFlag		RA1950		PmRA1950	0.0016
DE1950		PmDE1950	0.005	Vmag	8.5	SpType	G5
Double code		Source	70	CatNum	29113	DM	BD-16 5718
DMcomp		BDsup		HD	198730	M HD	0
GC	29113	RA1950rad	5.4542623	DE1950rad	-0.28543052	PmRA2000	0.0018
PmDE2000	0.003

Hipparcos

Catalog	H	HIP	103059	Proxy	H	RAhms	20 52 49.63
DEdms	-16 09 54.6	Vmag	8.51	VarFlag		R Vmag	H
RAdeg	313.207	DEdeg	-16.1652	AstroRef	A	Plx	4.33
CCDM	20528-1610	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	60	Rho	2.981	HD	198730	BD	BD-16 5718
CD		CP		Dm number	-16 5718	VIred	0.71
SpType	G2V	R SpType		Coord arcsec 2000	205249.63-160954.6

Hipparcos 2

HIP	103059	Sn	15	So	3	Nc	2
RArad	5.4664897868	DErad	-0.282135436	Plx	4.04	PmRA	27.11
PmDE	-15.49	E RArad	1.12	E DErad	0.89	E Plx	1.37
E pmRA	1.49	E pmDE	1.46	Hpmag	8.6367	E Hpmag	0.0027
SHp	0.016	VA	0	BV	0.574	E BV	0.023
VI	0.65

CCDM

Ccdm	20528-1610	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.63	DDEs	7.7
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.3	Sp	G5	PmNote	*
PmRA	23	PmDE	6	Dm number	-16 5718	Cat1	BD
Name2	163948	Cat2	SAO	HD	198730	M HD
ADS BDS	A14377	M ADS BDS		N IDS		IDS	20472S1632A
HIC	103059

20528-1610 B

Componente originario normalizzato	AB		Coord arcsec 2000	205249.85-160953.0		Mag	9.97		PmRA	28.00
PmDE	-17.0		Tycho2	6344-00409-2		Calc delta mag	1		Calc coord	yes

Tycho2

Tycho2	6344-00409-2	Pflag	P	RAmdeg	313.20699795	DEmdeg	-16.16512890
PmRA	22.9	PmDE	-18.5	E RAmdeg	27	E DEmdeg	31
E pmRA	2.5	E pmDE	2.5	EpRAm	1989.74	EpDEm	1989.22
Num	4	Q RAmdeg	1.9	Q DEmdeg	1.6	Q pmRA	1.9
Q pmDE	1.6	BTmag	10.715	E BTmag	0.053	VTmag	9.969
E VTmag	0.042	Prox	30	TYC	T	HIP	103059
CCDM	B	RAdeg	313.20755194	DEdeg	-16.16475611	EpRA 1990	1.68
EpDE 1990	1.66	E RAdeg	28.3	E DEdeg	32.1	Posflg	D
Corr	-0.1

CCDM

Ccdm	20528-1610	RComp		Comp	B	Note1
Note2		Discov num	BU 154	DRAs		DDEs
R dRAs		Year	1875	Theta	061	Rho	2.8
Obs	9	Vmag	9.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14377	M ADS BDS		N IDS		IDS	20472S1632B
HIC	103059