You're not logged.

Actions

Advanced Search
Go to Simbad
New report
New measure
Login

Computed Lists

Current system

20486+5029
BU 366 AC

Selections

Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20486+5029 BU 366 AC

20^h 48^m 34.14^s +50° 29' 27.9" P.A. 105.00 sep 51.1 mag 8.70,11.00 Sp A0

Coord 2000	20486+5029	Discov num	BU 366	Comp	AC	Coord arcsec 2000	20 48 34.14 +50 29 27.9
Date first	1875	Date last	2018	Obs	14
Pa first	105	Pa last	105.4	P.A. Now (θ)	105.4°
Sep first	45.0	Sep last	51.13	Sep. Now (ρ)	51.13"
Mag pri	8.70	Mag sec	11.00	delta mag (ΔM)	2.3	Spectral class	A0 (white)
Pri motion ra	+002	Sec motion ra	+009
Pri motion dec	+004	Sec motion dec	-002
Notes

rPM=1

This double is not physical.

20486+5029 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 198455		20 48 34 +50 29 28	BU 366 AB	2018	35	130	1.5	8.70	8.93	0.23
Show			20 48 34 +50 29 28	BU 366 AC	2018	14	105	51.1	8.70	11.00	2.30		<===
Show			20 48 39 +50 29 14	D 23 CD	2016	13	5	1.7	11.00	11.52	0.52

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3582-00369-1

Gaia DR2

2168392515177373440

198455

WDS 20486+5029 BU 366 AC : 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
D__1856a	-	Dembowski, H.	1856AN.....42..231D
D__1856a		AN 42, 231, 1856 (no data)
D__1856b	Ma -	Dembowski, H.	1856AN.....43...47D
D__1856b		AN 43, 47, 1856 (all data also in Mis. Micrometriche)
D__1856c	Ma -	Dembowski, H.	1856AN.....43...77D
D__1856c		AN 43, 77, 1856 (some data also in Mis. Micrometriche)
D__1856d	Ma j	Dembowski, H.	1856AN.....44...57D
D__1856d		AN 44, 57, 1856 (some data also in Mis. Micrometriche)
D__1857a	Ma -	Dembowski, H.	1857AN.....46..317D
D__1857a		AN 46, 317, 1857 (some data also in Mis. Micrometriche)
D__1857b	Ma -	Dembowski, H.	1857AN.....47...79D
D__1857b		AN 47, 79, 1857 (some data also in Mis. Micrometriche)
D__1857c	Ma -	Dembowski, H.	1857AN.....47...91D
D__1857c		AN 47, 91, 1857 (some data also in Mis. Micrometriche)
D__1857d	Ma j	Dembowski, H.	1857AN.....47..105D
D__1857d		AN 47, 105, 1857 (some data also in Mis. Micrometriche)
D__1857e	Ma -	Dembowski, H.	1857AN.....47..157D
D__1857e		AN 47, 157, 1857 (some data also in Mis. Micrometriche)
D__1857f	Ma -	Dembowski, H.	1857AN.....47..171D
D__1857f		AN 47, 171, 1857 (all data also in Mis. Micrometriche)
D__1857g	Ma -	Dembowski, H.	1857AN.....47..189D
D__1857g		AN 47, 189, 1857 (some data also in Mis. Micrometriche)
D__1857h	Ma -	Dembowski, H.	1857AN.....47..205D
D__1857h		AN 47, 205, 1857 (some data also in Mis. Micrometriche)
D__1857i	Ma j	Dembowski, H.	1857AN.....47..219D
D__1857i		AN 47, 219, 1857 (some data also in Mis. Micrometriche)
D__1857j	Ma j	Dembowski, H.	1857AN.....47..233D
D__1857j		AN 47, 233, 1857 (some data also in Mis. Micrometriche)
D__1858	Ma j	Dembowski, H.	1858AN.....47..333D
D__1858		AN 47, 333, 1858 (some data also in Mis. Micrometriche)
D__1859a	Ma j	Dembowski, H.	1859AN.....50..129D
D__1859a		AN 50, 129, 1859 (some data also in Mis. Micrometriche)
D__1859b	Ma -	Dembowski, H.	1859AN.....50..131D
D__1859b		AN 50, 131, 1859 (some data also in Mis. Micrometriche)
D__1859c	Ma -	Dembowski, H.	1859AN.....50..189D
D__1859c		AN 50, 189, 1859 (some data also in Mis. Micrometriche)
D__1859d	Ma -	Dembowski, H.	1859AN.....50..251D
D__1859d		AN 50, 251, 1859 (some data also in Mis. Micrometriche)
D__1859e	Ma -	Dembowski, H.	1859AN.....50..279D
D__1859e		AN 50, 279, 1859 (some data also in Mis. Micrometriche)
D__1859f	Ma -	Dembowski, H.	1859AN.....50..299D
D__1859f		AN 50, 299, 1859 (some data also in Mis. Micrometriche)
D__1859g	Ma -	Dembowski, H.	1859AN.....50..317D
D__1859g		AN 50, 317, 1859 (some data also in Mis. Micrometriche)
D__1859h	Ma j	Dembowski, H.	1859AN.....51...55D
D__1859h		AN 51, 55, 1859 (some data also in Mis. Micrometriche)
D__1859i	Ma j	Dembowski, H.	1859AN.....51...79D
D__1859i		AN 51, 79, 1859 (some data also in Mis. Micrometriche)
D__1859j	Ma -	Dembowski, H.	1859AN.....51...95D
D__1859j		AN 51, 95, 1859 (all data also in Mis. Micrometriche)
D__1859k	Ma -	Dembowski, H.	1859AN.....51..111D
D__1859k		AN 51, 111, 1859 (all data also in Mis. Micrometriche)
D__1859l	Ma j	Dembowski, H.	1859AN.....51..139D
D__1859l		AN 51, 139, 1859 (some data also in Mis. Micrometriche)
D__1860	-	Dembowski, H.	1860AN.....53..113D
D__1860		AN 53, 113, 1860 (mean coordinates, no relative astrometry)
D__1864	Ma j	Dembowski, H.	1864AN.....62..129D
D__1864		AN 62, 129, 1864 (some data also in Mis. Micrometriche)
D__1865A	Ma -	Dembowski, H.	1865AN.....84...81E
D__1865A		cited by Engelmann (AN 64, 81, #1518, 1865)
D__1866	Ma -	Dembowski, H.	1866AN.....66..177D
D__1866		AN 66, 177, 1866 (some data also in Mis. Micrometriche)
D__1869	Ma j	Dembowski, H.	1869AN.....73...97D
D__1869		AN 73, 97, 1869 (some data also in Mis. Micrometriche)
D__1870a	Ma -	Dembowski, H.	1870AN.....75..345D
D__1870a		AN 75, 345, 1870 (some data also in Mis. Micrometriche)
D__1870b	Ma -	Dembowski, H.	1870AN.....75..359D
D__1870b		AN 75, 359, 1870 (some data also in Mis. Micrometriche)
D__1870c	Ma -	Dembowski, H.	1870AN.....75..373D
D__1870c		AN 75, 373, 1870 (some data also in Mis. Micrometriche)
D__1870d	Ma j	Dembowski, H.	1870AN.....76...81D
D__1870d		AN 76, 81, 1870 (some data also in Mis. Micrometriche)
D__1870e	Ma -	Dembowski, H.	1870AN.....76..113D
D__1870e		AN 76, 113, 1870 (some data also in Mis. Micrometriche)
D__1870f	Ma j	Dembowski, H.	1870AN.....76..149D
D__1870f		AN 76, 149, 1870 (some data also in Mis. Micrometriche)
D__1870g	Ma j	Dembowski, H.	1870AN.....76..343D
D__1870g		AN 76, 343, 1870 (some data also in Mis. Micrometriche)
D__1870h	Ma -	Dembowski, H.	1870AN.....76..357D
D__1870h		AN 76, 357, 1870 (some data also in Mis. Micrometriche)
D__1870i	Ma j	Dembowski, H.	1870AN.....76..371D
D__1870i		AN 76, 371, 1870 (some data also in Mis. Micrometriche)
D__1870j	Ma j	Dembowski, H.	1870AN.....77...25D
D__1870j		AN 77, 25, 1870 (some data also in Mis. Micrometriche)
D__1870k	Ma -	Dembowski, H.	1870AN.....77...73D
D__1870k		AN 77, 73, 1870 (some data also in Mis. Micrometriche)
D__1871a	Ma j	Dembowski, H.	1871AN.....77...81D
D__1871a		AN 77, 81, 1871 (some data also in Mis. Micrometriche)
D__1871b	Ma j	Dembowski, H.	1871AN.....77..107D
D__1871b		AN 77, 107, 1871 (some data also in Mis. Micrometriche)
D__1871c	Ma -	Dembowski, H.	1871AN.....77..125D
D__1871c		AN 77, 125, 1871 (some data also in Mis. Micrometriche)
D__1872a	Ma -	Dembowski, H.	1872AN.....79..209D
D__1872a		AN 79, 209, 1872 (some data also in Mis. Micrometriche)
D__1872b	Ma -	Dembowski, H.	1872AN.....79..241D
D__1872b		AN 79, 241, 1872 (some data also in Mis. Micrometriche)
D__1873	-	Dembowski, H.	1873AN.....81..247D
D__1873		AN 81, 247, 1873 (no data)
D__1874	Ma j	Dembowski, H.	1874AN.....83..161D
D__1874		AN 83, 161, 1874 (some data also in Mis. Micrometriche)
D__1874B	Ma -	Dembowski, H.	1874MNRAS..35...28B
D__1874B		cited by Burnham (MNRAS 35, 28, 1874)
D__1875	Ma -	Dembowski, H.	1875AN.....86..337D
D__1875		AN 86, 337, 1875
D__1876a	-	Dembowski, H.	1876AN.....87..191D
D__1876a		AN 87, 191, 1876 (no data)
D__1876b	Ma -	Dembowski, H.	1876AN.....87..205D
D__1876b		AN 87, 205, 1876 (some data also in Mis. Micrometriche)
D__1876c	Ma -	Dembowski, H.	1876AN.....87..233D
D__1876c		AN 87, 233, 1876 (some data also in Mis. Micrometriche)
D__1876d	Ma -	Dembowski, H.	1876AN.....87..253D
D__1876d		AN 87, 253, 1876
D__1876e	Ma -	Dembowski, H.	1876AN.....87..257D
D__1876e		AN 87, 257, 1876
D__1876f	Ma j	Dembowski, H.	1876AN.....87..339D
D__1876f		AN 87, 339, 1876
D__1877	Ma -	Dembowski, H.	1877MNRAS..38...78D
D__1877		MNRAS 38, 78, 1877
D__1878a	Ma -	Dembowski, H.	1878AN.....92..121D
D__1878a		AN 92, 121, 1878
D__1878b	Ma -	Dembowski, H.	1878AN.....92..129D
D__1878b		AN 92, 129, 1878
D__1878c	Ma -	Dembowski, H.	1878AN.....92..145D
D__1878c		AN 92, 145, 1878
D__1878d	Ma -	Dembowski, H.	1878AN.....92..161D
D__1878d		AN 92, 161, 1878
D__1878e	Ma -	Dembowski, H.	1878AN.....92..237D
D__1878e		AN 92, 237, 1878 (all data also in Mis. Micrometriche)
D__1878A	Ma -	Dembowski, H.	1878Obs.....2..146G
D__1878A		cited by Gledhill (Obs 2, 146, 1878)
D__1878B	Ma -	Dembowski, H.	1878Obs.....2..183G
D__1878B		cited by Gledhill (Obs 2, 183, 1878)
D__1878C	Ma -	Dembowski, H.	1878Obs.....2..239G
D__1878C		cited by Gledhill (Obs 2, 239, 1878)
D__1878D	Ma -	Dembowski, H.	1878Obs.....2..269G
D__1878D		cited by Gledhill (Obs 2, 269, 1878)
D__1879	Ma -	Dembowski, H.	.
D__1879		Lincei Acad. Ser 3, 16,17, 1879?
D__1879B	Ma -	Dembowski, H.	1879Obs.....2..380G
D__1879B		cited by Gledhill (Obs 2, 380, 1879)
D__1879C	Ma -	Dembowski, H.	1879Obs.....3...20G
D__1879C		cited by Gledhill (Obs 3, 20, 1879)
D__1879D	Ma -	Dembowski, H.	1879Obs.....3..114G
D__1879D		cited by Gledhill (Obs 3, 114, 1879)
D__1879E	Ma -	Dembowski, H.	1879Obs.....3..169G
D__1879E		cited by Gledhill (Obs 3, 169, 1879)
D__1879F	Ma -	Dembowski, H.	1879Obs.....3..200G
D__1879F		cited by Gledhill (Obs 3, 200, 1879)
D__1879G	-	Dembowski, H.	1879Obs.....3..245G
D__1879G		cited by Gledhill (Obs 3, 245, 1879)
D__1879H	Ma -	Dembowski, H.	1879Obs.....2..344G
D__1879H		cited by Gledhill (Obs 2, 344, 1879)
D__1880A	Ma -	Dembowski, H.	1880Obs.....3..447G
D__1880A		cited by Gledhill (Obs 3, 447, 1880)
D__1880B	Ma -	Dembowski, H.	1880Obs.....3..569G
D__1880B		cited by Gledhill (Obs 3, 569, 1880)
D__1880C	Ma -	Dembowski, H.	1880Obs.....3..275G
D__1880C		cited by Gledhill (Obs 3, 275, 1880)
D__1880D	Ma -	Dembowski, H.	1880Obs.....3..352G
D__1880D		cited by Gledhill (Obs 3, 352, 1880)
D__1883	Ma -	Dembowski, H.	...................
D__1883		Misure micrometriche di Stelle Doppie e multiple...
D__1883		(Rome, Coi tipi del Salviucci), vol. I, 1883
D__1884	Ma -	Dembowski, H.	...................
D__1884		Misure micrometriche di Stelle Doppie e multiple...
D__1884		(Rome, Coi tipi del Salviucci), vol. II, 1884
D__1884A	Ma -	Dembowski, H.	1884AReg...22..216S
D__1884A		cited by Sadler (Astr. Register 22, 216, 1884)
D__1906A	Ma -	Dembowski, H.	1906MmRAS..56....1L
D__1906A		cited by Lewis (MemRAS 56, 1, 1906)
D__1906B	Ma -	Dembowski, H.	1906QB821.B972.....
D__1906B		cited in BDS (Burnham Double Star Cat.), 1906
D__1932A	-	Dembowski, H.	1932QB821.A43......
D__1932A		cited in ADS (Aitken Double Star Cat.), 1932

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20486+5029	BU 366	AC	1999	11	106	51.1	8.70	11.00		D	204834.14+502927.9
20486+5029	BU 366	AC	2003	12	105	51.0	8.70	11.00		D	204834.14+502927.9
20486+5029	BU 366	AC	2015	13	105	51.6	8.70	11.00	A0		204834.14+502927.9
20486+5029	BU 366	AC	2018	14	106	51.1	8.70	11.00	A0		204834.14+502927.9

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

WDS 20486+5029 BU 366 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20486+5029 BU 366 AC : MEASURES

No records found.

WDS 20486+5029 : 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 20486+5029 : ALADIN DSS IMAGE @ 20^h 48^m 34.14^s +50° 29' 27.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20486+5029 BU 366 AC : 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		20486+5029	BU 366	AB	130	1.5
Show		20486+5029	BU 366	AC	105	51.1
Show		20486+5029	D 23	CD	5	1.7	1
Show		20499+5036	CBL 87		2	25.0	15
Show		20496+5047	HDS2968		69	0.3	20
Show		20496+5008	ES 94	BC	79	2.5	23
Show		20496+5008	ES 94	AB	15	102.7	25
Show		20496+5008	GUI 34	AD	58	86.9	25
Show		20483+5054	ES 998		176	3.2	26
Show		20457+5040	STT 412	AB	279	26.0	30
Show		20457+5040	STT 412	AC	268	26.2	30
Show		20457+5040	STT 412	BC	186	5.0	30
Show		20465+5005	HDS2958		334	0.1	32
Show		20466+5004	HDS2959		21	0.5	32
Show		20449+5023	SKF2395		204	4.1	36
Show		20441+5043	LEP 171		172	4.4	45
Show		20457+4951	TDT2521		236	0.3	48
Show		20511+5125	BU 155	AB	40	0.7	61
Show		20511+5125	BU 155	AC	40	14.8	61
Show		20511+5125	BU 155	AD	48	191.8	61
Show		20422+5020	BU 675	AB	102	3.3	62
Show		20422+5020	BU 675	AC	185	28.8	62
Show		20422+5020	BU 675	AD	329	33.3	62
Show		20422+5020	BU 675	AE	240	72.0	62
Show		20421+5013	ES 91	AB	189	4.6	65
Show		20421+5013	ES 91	AC	235	17.6	65
Show		20421+5013	ES 91	BC	247	14.8	65
Show		20521+4923	ES 811		158	1.4	76
Show		20564+5044	BU 1137		350	7.4	77
Show		20472+5148	BU 365		288	17.2	80
Show		20570+5013	TDT2651		209	1.9	83
Show		20434+4923	STJ 111		64	0.9	83
Show		20438+4921	HEI 911		125	2.4	85
Show		20487+5155	STF2732		73	4.3	86
Show		20470+4901	HDS2962		222	0.1	90
Show		20418+4929	HEI 910		201	1.6	90
Show		20574+5104	ES 999		262	3.2	91
Show		20425+4916	ARG 39	AB	184	15.4	95
Show		20425+4916	ARG 39	AF	258	34.4	95
Show		20425+4916	ARG 39	AG	341	52.4	95
Show		20425+4916	ARG 39	BC	100	35.4	95
Show		20425+4916	ARG 39	BD	241	21.1	95
Show		20425+4916	ARG 39	BE	55	44.1	95
Show		20585+5028	BU 9007	CD	50	13.3	95
Show		20585+5028	STF2741	AB	24	2.0	95
Show		20585+5028	STF2741	AC	355	138.6	95
Show		20383+5023	HU 588	AB	245	2.0	98
Show		20540+4905	HEI 913		14	2.1	99
Show		20572+4936	KPP1431		57	10.7	99
Show		20380+5025	DAM 294		258	4.1	101
Show		20441+4856	HEI 912		201	1.7	103

WDS 20486+5029 : COMPONENTS

	A	B	C
B	pa=143.2° sep=1.18"
C	pa=106.1° sep=51.25"	pa=105.3° sep=50.31"
D	pa=104.3° sep=50.91"	pa=103.4° sep=49.99"	pa=3.2° sep=1.67"

20486+5029 A

Name	HD 198455		Coord arcsec 2000	204834.14+502927.9		Mag	8.7		Spectral class	A0 (white)
PmRA	3.00		PmDE	7.0		Tycho2	3582-00369-1		HD	198455

Tycho2

Tycho2	3582-00369-1	Pflag	P	RAmdeg	312.14227991	DEmdeg	50.49109886
PmRA	3.1	PmDE	7.4	E RAmdeg	8	E DEmdeg	7
E pmRA	1.7	E pmDE	1.7	EpRAm	1991.28	EpDEm	1991.34
Num	6	Q RAmdeg	1.0	Q DEmdeg	1.7	Q pmRA	1.0
Q pmDE	1.8	BTmag	8.813	E BTmag	0.018	VTmag	8.700
E VTmag	0.015	Prox	15	TYC	T	HIP
CCDM		RAdeg	312.14207806	DEdeg	50.49118417	EpRA 1990	1.70
EpDE 1990	1.65	E RAdeg	7.9	E DEdeg	7.4	Posflg	D
Corr	0.1

CCDM

Ccdm	20486+5029	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.93	DDEs	26.9
R dRAs	10	Year		Theta		Rho
Obs	4	Vmag	8.7	Sp	A0	PmNote	*
PmRA	-7	PmDE	-6	Dm number	+49 3380	Cat1	BD
Name2	+50 1556	Cat2	AGK2/3	HD	198455	M HD
ADS BDS	A14331	M ADS BDS		N IDS		IDS	20454N5007A
HIC

20486+5029 B

Coord arcsec 2000	204834.21+502927.0		Mag	8.93		PmRA	3.00		PmDE	7.0
Tycho2	3582-00369-2		Calc delta mag	0.23		Calc coord	yes

Tycho2

Tycho2	3582-00369-2	Pflag	P	RAmdeg	312.14227991	DEmdeg	50.49109886
PmRA	3.1	PmDE	7.4	E RAmdeg	8	E DEmdeg	7
E pmRA	1.7	E pmDE	1.7	EpRAm	1991.28	EpDEm	1991.34
Num	6	Q RAmdeg	1.0	Q DEmdeg	1.7	Q pmRA	1.0
Q pmDE	1.8	BTmag	9.093	E BTmag	0.018	VTmag	8.931
E VTmag	0.016	Prox	15	TYC		HIP
CCDM		RAdeg	312.14257083	DEdeg	50.49091944	EpRA 1990	1.68
EpDE 1990	1.66	E RAdeg	9.3	E DEdeg	8.6	Posflg	D
Corr	0.0

CCDM

Ccdm	20486+5029	RComp		Comp	B	Note1
Note2		Discov num	BU 366	DRAs		DDEs
R dRAs		Year	1876	Theta	128	Rho	1.4
Obs	17	Vmag	9.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14331	M ADS BDS		N IDS		IDS	20454N5007B
HIC

20486+5029 C

Coord arcsec 2000	204839.30+502913.7		Coord calc	204839.30+502913.7		Mag	11		PmRA	8.00
PmDE	-7.0		Tycho2	3582-00301-1		Calc delta mag	2.3

Tycho2

Tycho2	3582-00301-1	Pflag		RAmdeg	312.16377735	DEmdeg	50.48714453
PmRA	8.4	PmDE	-7.2	E RAmdeg	37	E DEmdeg	30
E pmRA	3.2	E pmDE	3.0	EpRAm	1987.20	EpDEm	1987.68
Num	3	Q RAmdeg	0.0	Q DEmdeg	8.1	Q pmRA	0.0
Q pmDE	8.1	BTmag	11.307	E BTmag	0.071	VTmag	10.871
E VTmag	0.071	Prox	504	TYC	T	HIP
CCDM		RAdeg	312.16374611	DEdeg	50.48710639	EpRA 1990	1.67
EpDE 1990	1.71	E RAdeg	49.7	E DEdeg	39.5	Posflg
Corr	-0.1

CCDM

Ccdm	20486+5029	RComp		Comp	C	Note1
Note2		Discov num	BU 366	DRAs		DDEs
R dRAs		Year	1876	Theta	106	Rho	50.7
Obs	3	Vmag	10.7	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14331	M ADS BDS		N IDS		IDS	20454N5007C
HIC

20486+5029 D

Coord arcsec 2000	204839.31+502915.4		Mag	11.52		PmRA	8.00		PmDE	-7.0
Calc delta mag	2.82		Calc coord	yes

CCDM

Ccdm	20486+5029	RComp	C	Comp	D	Note1
Note2		Discov num	D 23	DRAs		DDEs
R dRAs		Year	1876	Theta	007	Rho	1.5
Obs	9	Vmag	11.2	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14331	M ADS BDS		N IDS		IDS	20454N5007D
HIC