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20544+6957
A 1216 AB

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20544+6957 A 1216 AB

20^h 54^m 22.42^s +69° 56' 51.0" P.A. 327.00 sep 20.1 mag 7.97,15.00 Sp K0 dist. 258.4 pc (842.9 l.y.)

Coord 2000	20544+6957	Discov num	A 1216	Comp	AB	Coord arcsec 2000	20 54 22.42 +69 56 51.0
Date first	1904	Date last	2015	Obs	10
Pa first	340	Pa last	327.2	P.A. Now (θ)	327.2°
Sep first	21.6	Sep last	20.14	Sep. Now (ρ)	20.14"
Mag pri	7.97	Mag sec	15.00	delta mag (ΔM)	7.03	Spectral class	K0 (yellow-orange)
Pri motion ra	-003	Sec motion ra
Pri motion dec	+011	Sec motion dec
Notes

Nature of this double is uncertain.

20544+6957 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		19093	20 54 22 +69 56 51	A 1216 AB	2015	10	327	20.1	7.97	15.00	7.03		<===
Show	HD 199660	19093	20 54 22 +69 56 51	A 1216 AC	2018	15	346	38.6	7.97	10.61	2.64
Show			20 54 21 +69 57 29	A 1216 CD	2015	6	82	0.9	10.61	11.60	0.99

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Cepheus	SAO	19093	HIP	103190	Tycho2	4464-00465-1
Gaia DR2	2271215234825199232	HD	199660	BD	BD+69 1136	Distance	258.4
Distance ly	842.9

WDS 20544+6957 A 1216 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
A__1895	Ma -	Aitken, R.G.	1895PASP....7..305A
A__1895		PASP 7, 305, 1895 (most data also in A__1914d)	1914PLicO..12....1A
A__1896a	Ma -	Aitken, R.G.	1896AJ.....17...27A
A__1896a		AJ 17, 27, 1896 (most data also in A__1914d)	1914PLicO..12....1A
A__1896b	Ma -	Aitken, R.G.	1896AN....142...77A
A__1896b		AN 142, 77, 1896 (all data also in A__1896a)	1896AJ.....17...27A
A__1896c	Ma -	Aitken, R.G.	1896PASP....8..286A
A__1896c		PASP 8, 286, 1896
A__1896d	Ma -	Aitken, R.G.	1896PASP....8..314A
A__1896d		PASP 8, 314, 1896 (all data also in A__1896a)	1896AJ.....17...27A
A__1897a	Ma -	Aitken, R.G.	1897AN....142..161A
A__1897a		AN 142, 161, 1897 (all data also in A__1896a)	1896AJ.....17...27A
A__1897b	Ma -	Aitken, R.G.	1897AJ.....17...76A
A__1897b		AJ 17, 76, 1897 (all data also in A__1914d)	1914PLicO..12....1A
A__1897c	Ma -	Aitken, R.G.	1897AJ.....18...56A
A__1897c		AJ 18, 56, 1897 (all data also in A__1914d)	1914PLicO..12....1A
A__1897d	Ma j	Aitken, R.G.	1897AN....145..129A
A__1897d		AN 145, 129, 1897 (most data also in A__1914d)	1914PLicO..12....1A
A__1898a	Ma -	Aitken, R.G.	1898AJ.....18..128A
A__1898a		AJ 18, 128, 1898 (all data also in other refs)
A__1898b	Ma j	Aitken, R.G.	1898AJ.....18..161A
A__1898b		AJ 18, 161, 1898 (most data also in other refs)
A__1898b		(erratum AJ 18, 180, 1898)	1898AJ.....18..180A
A__1899	Ma -	Aitken, R.G.	1899PASP...11..128A
A__1899		PASP 11, 128, 1899
A__1899b	Ma j	Aitken, R.G.	1899AN....150..113A
A__1899b		AN 150, 113, 1899
A__1900a	Ma -	Aitken, R.G.	1900AN....152..161A
A__1900a		AN 152, 161, 1900
A__1900b	Ma -	Aitken, R.G.	1900AN....153..369A
A__1900b		AN 153, 369, 1900
A__1900c	Ma -	Aitken, R.G.	1900PASP...12..127A
A__1900c		PASP 12, 127, 1900 (all data also in A__1900b)	1900AN....153..369A
A__1900d	Ma j	Aitken, R.G.	1900AN....152..209A
A__1900d		AN 152, 209, 1900
A__1900e	orb -	Aitken, R.G.	1900PASP...12..103A
A__1900e		PASP 12, 103, 1900
A__1900f	orb -	Aitken, R.G.	1900PASP...12..240A
A__1900f		PASP 12, 240, 1900
A__1900g	Ma j	Aitken, R.G.	1900PASP...12..203A
A__1900g		PASP 12, 203, 1900
A__1901a	Ma j	Aitken, R.G.	1901LicOB...1...14A
A__1901a		Lick Obs. Bull. 1, 14, 1901
A__1901b	Ma j	Aitken, R.G.	1901LicOB...1...66A
A__1901b		Lick Obs. Bull. 1, 66, 1901
A__1901c	orb -	Aitken, R.G.	1901PA......9...57A
A__1901c		Popular Astron. 9, 57, 1901
A__1901d	Ma -	Aitken, R.G.	1901AN....156..321A
A__1901d		AN 156, 321, 1901 (all data also in A__1901a)	1901LicOB...1...14A
A__1901e	Ma -	Aitken, R.G.	1901PASP...13..161A
A__1901e		PASP 13, 161, 1901 (all data also in other refs)
A__1902a	Ma j	Aitken, R.G.	1902LicOB...1..129A
A__1902a		Lick Obs. Bull. 1, 129, 1902
A__1902b	orb -	Aitken, R.G.	1902LicOB...1..190A
A__1902b		Lick Obs. Bull. 1, 190, 1902
A__1902c	orb -	Aitken, R.G.	1902PA.....10..486A
A__1902c		Popular Astron. 10, 486, 1902
A__1902d	orb -	Aitken, R.G.	1902PASP...14..153A
A__1902d		PASP 14, 153, 1902
A__1902e	Ma -	Aitken, R.G.	1902AN....158..245A
A__1902e		AN 158, 245, 1902 (all data also in A__1902a)	1902LicOB...1..129A
A__1903	Ma j	Aitken, R.G.	1903LicOB...2...16A
A__1903		Lick Obs. Bull. 2, 16, 1903
A__1903b	Ma -	Aitken, R.G.	1903LicOB...2...55A
A__1903b	+orb	Lick Obs. Bull. 2, 55, 1903 (all data also in other refs)
A__1903c	orb -	Aitken, R.G.	1903PA.....11...28A
A__1903c		Popular Astron. 11, 28, 1903
A__1904a	Ma j	Aitken, R.G.	1904LicOB...2..139A
A__1904a		Lick Obs. Bull. 2, 139, 1904
A__1904b	Ma -	Aitken, R.G.	1904LicOB...3....6A
A__1904b		Lick Obs. Bull. 3, 6, 1904
A__1904c	Ma -	Aitken, R.G.	1904LicOB...3...61A
A__1904c		Lick Obs. Bull. 3, 61, 1904
A__1905a	Ma -	Aitken, R.G.	1905LicOB...3...88A
A__1905a	+orb	Lick Obs. Bull. 3, 88, 1905 (all data also in other refs)
A__1905b	Ma -	Aitken, R.G.	1905LicOB...3...90A
A__1905b		Lick Obs. Bull. 3, 90, 1905 (all data also in other refs)
A__1905c	orb -	Aitken, R.G.	1905LicOB...3..147A
A__1905c		Lick Obs. Bull. 3, 147, 1905 (all data also in other refs)
A__1905d	orb -	Aitken, R.G.	1905LicOB...3..169A
A__1905d		Lick Obs. Bull. 3, 169, 1905 (orbit catalog)
A__1905e	orb -	Aitken, R.G.	1905PA.....13..190A
A__1905e		Popular Astron. 13, 190, 1905
A__1906a	Ma -	Aitken, R.G.	1906LicOB...4....4A
A__1906a		Lick Obs. Bull. 4, 4, 1906
A__1906B	Ma -	Aitken, R.G.	1906MmRAS..56....1L
A__1906B	+orb	cited by Lewis (MemRAS 56, 1, 1906)
A__1906c	orb -	Aitken, R.G.	1906LicOB...4...75A
A__1906c		Lick Obs. Bull. 4, 75, 1906
A__1906D	Ma -	Aitken, R.G.	1906QB821.B972.....
A__1906D		cited in BDS (Burnham Double Star Cat.), 1906
A__1907a	Ma -	Aitken, R.G.	1907LicOB...4..101A
A__1907a		Lick Obs. Bull. 4, 101, 1907
A__1907b	Ma -	Aitken, R.G.	1907LicOB...4..125A
A__1907b		Lick Obs. Bull. 4, 124, 1907
A__1907c	orb -	Aitken, R.G.	1907LicOB...4..107A
A__1907c		Lick Obs. Bull. 4, 107, 1907 (all data also in other refs)
A__1907d	Ma -	Aitken, R.G.	1907LicOB...4..170A
A__1907d		Lick Obs. Bull. 4, 170, 1907 (all data also in other refs)
A__1907e	orb -	Aitken, R.G.	1907AN....174..217A
A__1907e		AN 174, 217, 1907
A__1907f	Ma -	Aitken, R.G.	1907AN....176..323A
A__1907f		AN 176, 323, 1907 (all data also in other refs)
A__1908a	Ma -	Aitken, R.G.	1908LicOB...4..166A
A__1908a		Lick Obs. Bull. 4, 166, 1908
A__1908b	Ma -	Aitken, R.G.	1908LicOB...5...28A
A__1908b		Lick Obs. Bull. 5, 28, 1908
A__1908c	Ma -	Aitken, R.G.	1908LicOB...5...55A
A__1908c		Lick Obs. Bull. 5, 55, 1908
A__1908d	Ma -	Aitken, R.G.	1908LicOB...5...43A
A__1908d	+orb	Lick Obs. Bull. 5, 43, 1908 (all data also in other refs)
A__1908e	Ma -	Aitken, R.G.	1908PASP...20..185A
A__1908e		PASP 20, 185, 1908 (all data also in other refs)
A__1908f	orb -	Aitken, R.G.	1908PASP...20..267A
A__1908f		PASP 20, 267, 1908
A__1908g	Ma -	Aitken, R.G.	1908PASP...20..290A
A__1908g		PASP 20, 290, 1908 (all data also in other refs)
A__1908h	Ma -	Aitken, R.G.	1908PASP...20..291A
A__1908h		PASP 20, 291, 1908
A__1909a	Ma -	Aitken, R.G.	1909LicOB...5..115A
A__1909a		Lick Obs. Bull. 5, 115, 1909
A__1909b	Ma -	Aitken, R.G.	1909LicOB...5..166A
A__1909b		Lick Obs. Bull. 5, 166, 1909
A__1909c	orb -	Aitken, R.G.	1909PASP...21...83A
A__1909c		PASP 21, 83, 1909
A__1910a	Ma -	Aitken, R.G.	1910LicOB...6...62A
A__1910a		Lick Obs. Bull. 6, 62, 1910
A__1910b	Ma -	Aitken, R.G.	1910LicOB...6...70A
A__1910b		Lick Obs. Bull. 6, 70, 1910
A__1910c	-	Aitken, R.G.	1910LicOB...6....1A
A__1910c		Lick Obs. Bull. 6, 1, 1910 (no data)
A__1910d	Ma -	Aitken, R.G.	1910PASP...22...95A
A__1910d		PASP 22, 95, 1910 (all data also in other refs)
A__1910e	-	Aitken, R.G.	1910PASP...22..137A
A__1910e		PASP 22, 137, 1910 (no data)
A__1910f	Ma -	Aitken, R.G.	1910PASP...22..140A
A__1910f		PASP 22, 140, 1910 (all data also in other refs)
A__1911	Ma -	Aitken, R.G.	1911LicOB...6..163A
A__1911		Lick Obs. Bull. 6, 163, 1911
A__1911b	Ma -	Aitken, R.G.	1911PASP...23..238A
A__1911b		PASP 23, 238, 1911 (all data also in other refs)
A__1912	Ma -	Aitken, R.G.	1912LicOB...7...93A
A__1912		Lick Obs. Bull. 7, 93, 1912
A__1912b	-	Aitken, R.G.	1912LicOB...2....3A
A__1912b		Lick Obs. Bull. 7, 3, 1912 (no data)
A__1912c	-	Aitken, R.G.	1912PASP...24..126A
A__1912c		PASP 24, 126, 1912 (no data)
A__1912d	orb -	Aitken, R.G.	1912PASP...24..165A
A__1912d		PASP 24, 165, 1912
A__1912e	orb -	Aitken, R.G.	1912PASP...24..216A
A__1912e		PASP 24, 216, 1912
A__1912f	Ma -	Aitken, R.G.	1912PASP...24..228A
A__1912f		PASP 24, 228, 1912 (all data also in other refs)
A__1912g	Ma -	Aitken, R.G.	1912PA.....20..643A
A__1912g		Popular Astron. 20, 643, 1912 (all data also in other refs)
A__1913	Ma -	Aitken, R.G.	1913LicOB...7..186A
A__1913		Lick Obs. Bull. 7, 186, 1913
A__1913b	Ma -	Aitken, R.G.	1913PASP...25...41A
A__1913b	+orb	PASP 25, 41, 1913 (all data also in other refs)
A__1914a	Ma -	Aitken, R.G.	1914LicOB...8...52A
A__1914a		Lick Obs. Bull. 8, 52, 1914
A__1914b	Ma -	Aitken, R.G.	1914LicOB...8...93A
A__1914b		Lick Obs. Bull. 8, 93, 1914
A__1914c	Ma -	Aitken, R.G.	1914LicOB...8...96A
A__1914c		Lick Obs. Bull. 8, 96, 1914
A__1914d	Ma j	Aitken, R.G.	1914PLicO..12....1A
A__1914d	+orb	Pub. Lick Obs. 12, 1, 1914
A__1914e	orb -	Aitken, R.G.	1914PLicO..12..100A
A__1914e		Pub. Lick Obs. 12, 100, 1914
A__1914f	orb -	Aitken, R.G.	1914LicOB...8...99A
A__1914f		Lick Obs. Bull. 8, 99, 1914
A__1914g	Ma -	Aitken, R.G.	1914PASP...26...53A
A__1914g		PASP 26, 53, 1914 (all data also in other refs)
A__1914h	Ma -	Aitken, R.G.	1914PASP...26..205A
A__1914h		PASP 26, 205, 1914 (all data also in other refs)
A__1914i	Ma -	Aitken, R.G.	1914PASP...26..208A
A__1914i	+orb	PASP 26, 208, 1914 (all data also in other refs)
A__1915	Ma -	Aitken, R.G.	1915PASP...27..230A
A__1915		PASP 27, 230, 1915 (some data also in other refs)
A__1916a	orb -	Aitken, R.G.	1916PASP...28..121A
A__1916a		PASP 28, 121, 1916
A__1916b	Ma -	Aitken, R.G.	1916PASP...28..276A
A__1916b		PASP 28, 276, 1916 (all data also in other refs)
A__1917a	Ma -	Aitken, R.G.	1917PASP...29..207A
A__1917a		PASP 29, 207, 1917 (all data also in other refs)
A__1917b	Ma -	Aitken, R.G.	1917PASP...29..217A
A__1917b		PASP 29, 217, 1917 (all data also in other refs)
A__1918a	Ma -	Aitken, R.G.	1918LicOB...9..132A
A__1918a		Lick Obs. Bull. 9, 132, 1918
A__1918b	orb -	Aitken, R.G.	1918LicOB...9..184A
A__1918b		Lick Obs. Bull. 9, 184, 1918
A__1918c	orb -	Aitken, R.G.	1918LicOB...9..191A
A__1918c		Lick Obs. Bull. 9, 191, 1918
A__1918d	orb -	Aitken, R.G.	1918PAAS....3R..68A
A__1918d		PAAS 3, 68, 1918
A__1918e	Ma -	Aitken, R.G.	1918PASP...30...69A
A__1918e		PASP 30, 69, 1918 (all data also in other refs)
A__1918f	Ma -	Aitken, R.G.	1918PASP...30...71A
A__1918f		PASP 30, 71, 1918 (all data also in other refs)
A__1918g	orb -	Aitken, R.G.	1918PASP...30..194A
A__1918g		PASP 30, 194, 1918
A__1918h	Ma -	Aitken, R.G.	1918PASP...30..262A
A__1918h		PASP 30, 262, 1918 (all data also in other refs)
A__1918i	orb -	Aitken, R.G.	1918PASP...30..311A
A__1918i		PASP 30, 311, 1918
A__1919a	Ma -	Aitken, R.G.	1919PASP...31...44A
A__1919a		PASP 31, 44, 1919 (all data also in other refs)
A__1919b	Ma -	Aitken, R.G.	1919PASP...31..116A
A__1919b		PASP 31, 116, 1919 (all data also in other refs)
A__1919c	Ma -	Aitken, R.G.	1919PASP...31..197A
A__1919c		PASP 31, 197, 1919 (all data also in other refs)
A__1919d	orb -	Aitken, R.G.	1919PASP...31..285A
A__1919d		PASP 31, 285, 1919
A__1920a	Ma -	Aitken, R.G.	1920RGOO.....f...1.
A__1920a		Greenwich Observations, F1, 1920
A__1920b	Ma -	Aitken, R.G.	1920PASP...32...56A
A__1920b		PASP 32, 56, 1920 (most data also in other refs)
A__1920c	orb -	Aitken, R.G.	1920PASP...32..215A
A__1920c		PASP 32, 215, 1920
A__1921a	Ma -	Aitken, R.G.	1921PASP...33...60A
A__1921a		PASP 33, 60, 1921 (all data also in other refs)
A__1921b	Ma -	Aitken, R.G.	1921PASP...33..270A
A__1921b		PASP 33, 270, 1921 (all data also in other refs)
A__1922a	-	Aitken, R.G.	1922PASP...34...52A
A__1922a		PASP 34, 52, 1922 (no data)
A__1922b	orb -	Aitken, R.G.	1922PAAS....4....6A
A__1922b		Pub. AAS 4, 6, 1922
A__1923a	Ma j	Aitken, R.G.	1923LicOB..11...58A
A__1923a	+orb	Lick Obs. Bull. 11, 58, 1923
A__1923b	orb -	Aitken, R.G.	1923PASP...35..258A
A__1923b		PASP 35, 258, 1923
A__1923c	orb -	Aitken, R.G.	1923LicOB..11...66A
A__1923c		Lick Obs. Bull. 11, 66, 1923
A__1923d	orb -	Aitken, R.G.	1923LicOB..11...70A
A__1923d		Lick Obs. Bull. 11, 70, 1923
A__1923e	orb -	Aitken, R.G.	1923LicOB..11...79A
A__1923e		Lick Obs. Bull. 11, 79, 1923
A__1923f	orb -	Aitken, R.G.	1923LicOB..11...83A
A__1923f		Lick Obs. Bull. 11, 83, 1923
A__1923g	orb -	Aitken, R.G.	1923LicOB..11...85A
A__1923g		Lick Obs. Bull. 11, 85, 1923
A__1923h	orb -	Aitken, R.G.	1923LicOB..11...97A
A__1923h		Lick Obs. Bull. 11, 97, 1923
A__1923i	orb -	Aitken, R.G.	1923PASP...35...70A
A__1923i		PASP 35, 70, 1923
A__1923j	Ma -	Aitken, R.G.	1923PASP...35..323A
A__1923j		PASP 35, 323, 1923 (all data also in other refs)
A__1924	Ma -	Aitken, R.G.	1924PASP...36..296A
A__1924		PASP 36, 296, 1924 (all data also in other refs)
A__1925a	orb -	Aitken, R.G.	1925PASP...37..222A
A__1925a	+D	PASP 37, 222, 1925
A__1925b	orb -	Aitken, R.G.	1925LicOB..12...45A
A__1925b		Lick Obs. Bull. 12, 45, 1925
A__1925c	orb -	Aitken, R.G.	1925LicOB..12...47A
A__1925c		Lick Obs. Bull. 12, 47, 1925
A__1925D	Ma -	Aitken, R.G.	1925MNRAS..85..276E
A__1925D		cited by Milburn (MNRAS 85, 276, 1925)
A__1926a	Ma -	Aitken, R.G.	1926PASP...38..131A
A__1926a		PASP 38, 131, 1926 (all data also in other refs)
A__1926b	Ma -	Aitken, R.G.	1926PASP...38..334A
A__1926b		PASP 38, 334, 1926 (all data also in other refs)
A__1927a	Ma -	Aitken, R.G.	1927LicOB..12..170A
A__1927a		Lick Obs. Bull. 12, 170, 1927
A__1927b	Ma j	Aitken, R.G.	1927LicOB..12..173A
A__1927b		Lick Obs. Bull. 12, 173, 1927
A__1927c	orb -	Aitken, R.G.	1927PASP...39...45A
A__1927c		PASP 39, 45, 1927
A__1928	Ma -	Aitken, R.G.	1928PASP...40..355A
A__1928		PASP 40, 355, 1928 (all data also in other refs)
A__1929a	Ma -	Aitken, R.G.	1929LicOB..14...62A
A__1929a		Lick Obs. Bull. 14, 62, 1929
A__1929b	Ma -	Aitken, R.G.	1929LicOB..14...88A
A__1929b		Lick Obs. Bull. 14, 88, 1929
A__1930a	Ma -	Aitken, R.G.	1930PASP...42...60A
A__1930a		PASP 42, 60, 1930 (all data also in other refs)
A__1930b	Ma -	Aitken, R.G.	1930PASP...42..123A
A__1930b		PASP 42, 123, 1930 (most data also in other refs)
A__1932a	Ma -	Aitken, R.G.	1932QB821.A43......
A__1932a		Aitken Double Star Catalogue, 1932
A__1932b	Ma -	Aitken, R.G.	1932QB821.A43......
A__1932b		Aitken Double Star Catalogue, 1932 (formerly combined in means)
A__1932c	orb -	Aitken, R.G.	1932PASP...44..127A
A__1932c		PASP 44, 127, 1932
A__1932d	orb -	Aitken, R.G.	1932PASP...44..129A
A__1932d		PASP 44, 129, 1932
A__1932e	Ma -	Aitken, R.G.	1932PASP...44..132A
A__1932e		PASP 44, 132, 1932 (all data also in other refs)
A__1933a	Ma -	Aitken, R.G.	1933PASP...45...90A
A__1933a		PASP 45, 90, 1933
A__1933b	Ma -	Aitken, R.G.	1933PASP...45..261A
A__1933b		PASP 45, 261, 1933
A__1933c	Ma -	Aitken, R.G.	1933LicOB..16...93A
A__1933c		Lick Obs. Bull. 16, 93, 1933
A__1933d	Ma -	Aitken, R.G.	1933LicOB..16...96A
A__1933d		Lick Obs. Bull. 16, 96, 1933
A__1933e	Ma -	Aitken, R.G.	1933PASP...45..190A
A__1933e		PASP 45, 190, 1933 (all data also in other refs)
A__1934a	Ma -	Aitken, R.G.	1934PASP...46..110A
A__1934a		PASP 46, 110, 1934 (all data also in other refs)
A__1934b	-	Aitken, R.G.	1934PASP...46..284A
A__1934b		PASP 46, 284, 1934 (no data)
A__1935e	Ma j	Aitken, R.G.	1935LicOB..17...91A
A__1935e		Lick Obs. Bull. 17, 91, 1935
A__1935f	-	Aitken, R.G.	1935QB821.A3.......
A__1935f		The Binary Stars, 1935
A__1936	orb -	Aitken, R.G.	1936PASP...48..175A
A__1936		PASP 48, 175, 1936
A__1937a	Ma -	Aitken, R.G.	1937LicOB..18...53A
A__1937a		Lick Obs. Bull. 18, 53, 1937
A__1937b	Ma -	Aitken, R.G.	1937LicOB..18..109A
A__1937b		Lick Obs. Bull. 18, 109, 1937
A__9999	Ma -	Aitken, R.G.	...................
A__9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20544+6957	A 1216	AB	1999	4	329	20.2	7.80	14.80	K0	D	205422.42+695651.0
20544+6957	A 1216	AB	2003	5	328	20.2	7.97	15.00	K0	D	205422.42+695651.0
20544+6957	A 1216	AB	2015	6	327	20.1	7.97	15.00	K0		205422.42+695651.0

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

WDS 20544+6957 A 1216 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20544+6957 A 1216 AB : MEASURES

No records found.

WDS 20544+6957 : VIRTUAL EYEPIECE

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

WDS 20544+6957 : ALADIN DSS IMAGE @ 20^h 54^m 22.42^s +69° 56' 51.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20544+6957 A 1216 AB : 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		20544+6957	A 1216	AB	327	20.1
Show		20544+6957	A 1216	AC	346	38.6
Show		20544+6957	A 1216	CD	82	0.9	1
Show		21027+7005	TDT2710		42	0.4	44
Show		20454+7000	MLR 93		210	0.1	47
Show		20520+6910	JOD 19		172	0.5	49
Show		21001+6917	TDT2686		42	2.4	50
Show		21050+7000	LDS1944		349	48.0	56
Show		20465+7036	MLB 363		211	3.2	56
Show		20561+7052	TDT2640		318	0.7	56
Show		21052+6942	MLB 303			6.1	59
Show		21069+6940	LAF 63	AB	201	3.7	68
Show		21069+6940	LAF 63	AC	259	8.4	68
Show		21069+6940	LAF 63	AD	332	14.5	68
Show		21045+7046	STF2771		33	2.7	71
Show		20493+7131	MLB 422		203	5.5	99
Show		21115+7050	HDS3019	AB	136	0.3	102
Show		20571+7138	TDT2652		307	0.6	102
Show		20353+7030	A 873		68	0.3	103
Show		21059+7124	LDS1945		353	15.9	105
Show		21078+7123	HDS3012		190	0.9	109
Show		21016+6810	LI 6	AB	168	2.5	114
Show		20380+7119	MLB 420		276	3.6	117
Show		20458+7146	SKF1249		281	39.0	118
Show		20376+6834	TDT2433		101	1.0	123
Show		21114+7140	OSO 143		277	16.6	133
Show		20369+6818	MLB 299		204	7.6	136
Show		20458+7219	MLB 421		251	1.9	148
Show		21122+6803	KPP4227	AB	298	1.9	149
Show		20592+7224	MLB 423		247	5.9	149
Show		21022+6723	KPP4220		302	1.2	160
Show		20465+6717	MLR 73		37	6.3	166
Show		20509+6708	MLB 301		333	4.9	170
Show		20517+6701	MLB 302		324	4.9	177
Show		20415+6710	MLB 300		18	1.7	182
Show		21012+7258	A 880		43	0.3	185
Show		20515+7304	LDS1941		234	1.6	188
Show		20573+6645	MLB 268		332	5.8	193
Show		21015+6643	HU 959		164	1.3	199
Show		21068+6644	TDT2757		248	0.7	205
Show		20408+7319	LDS1939		227	18.9	213
Show		20464+7332	TDS1099		336	1.2	218
Show		20584+6611	FOX 96		123	2.2	228
Show		21091+6623	MLR 68		280	0.8	229
Show		21091+6626	OCA 4		37	0.6	229
Show		21113+7334	CRB 209		143	22.0	231
Show		21087+7342	OSO 141		156	14.7	235
Show		20589+6548	KPP2312		312	19.5	251
Show		21125+6608	FOX 97		40	1.6	251
Show		20492+6547	MLB 267		222	3.4	253
Show		21140+6606	MLB 221		175	3.8	256

WDS 20544+6957 : COMPONENTS

	A	B	C
B	pa=347.5° sep=17.34"
C	pa=346.8° sep=38.93"	pa=346.2° sep=21.60"
D	pa=347.3° sep=38.98"	pa=347.0° sep=21.64"	pa=68.7° sep=0.32"

20544+6957 A

Coord arcsec 2000	205422.42+695651.0	Mag	7.97	Spectral class	K0 (yellow-orange)	PmRA	-3.00
PmDE	11.0	SAO	19093	HIP	103190	Tycho2	4464-00465-1
HD	199660	BD	BD+69 1136

Tycho2

Tycho2	4464-00465-1	Pflag		RAmdeg	313.59342712	DEmdeg	69.94752403
PmRA	-2.0	PmDE	11.1	E RAmdeg	6	E DEmdeg	6
E pmRA	1.1	E pmDE	1.2	EpRAm	1991.05	EpDEm	1991.18
Num	12	Q RAmdeg	0.7	Q DEmdeg	0.7	Q pmRA	0.7
Q pmDE	0.7	BTmag	9.118	E BTmag	0.017	VTmag	7.973
E VTmag	0.011	Prox	391	TYC	T	HIP	103190
CCDM		RAdeg	313.59344000	DEdeg	69.94749833	EpRA 1990	1.79
EpDE 1990	1.72	E RAdeg	5.8	E DEdeg	6.0	Posflg
Corr	0.0

SAO

SAO	19093	DelFlag		RA1950		PmRA1950	-0.0017
DE1950		PmDE1950	-0.005	Vmag	8	SpType	K0
Double code		Source	2	CatNum	877	DM	BD+69 1136
DMcomp		BDsup		HD	199660	M HD	0
GC		RA1950rad	5.47165254	DE1950rad	1.21746288	PmRA2000	-0.0012
PmDE2000	-0.01

Hipparcos

Catalog	H	HIP	103190	Proxy		RAhms	20 54 22.42
DEdms	+69 56 51.0	Vmag	7.86	VarFlag		R Vmag	H
RAdeg	313.593	DEdeg	69.9475	AstroRef		Plx	3.81
CCDM	20544+6957	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	199660	BD	BD+69 1136
CD		CP		Dm number	+69 1136	VIred	0.97
SpType	K0	R SpType		Coord arcsec 2000	205422.42+695651.0

Hipparcos 2

HIP	103190	Sn	5	So	0	Nc	1
RArad	5.4732379797	DErad	1.2208140709	Plx	3.87	PmRA	-2.8
PmDE	10.98	E RArad	0.42	E DErad	0.42	E Plx	0.46
E pmRA	0.52	E pmDE	0.53	Hpmag	8.0253	E Hpmag	0.0017
SHp	0.012	VA	0	BV	0.974	E BV	0.014
VI	0.96

CCDM

Ccdm	20544+6957	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.61	DDEs	-9.2
R dRAs	10	Year		Theta		Rho
Obs	4	Vmag	7.8	Sp	K0	PmNote	*
PmRA	-8	PmDE	11	Dm number	+69 1136	Cat1	BD
Name2	+69 877	Cat2	AGK2/3	HD	199660	M HD
ADS BDS	A14441	M ADS BDS		N IDS		IDS	20536N6934A
HIC	103190

20544+6957 B

Coord arcsec 2000

205421.69+695707.9

Mag

Calc delta mag

7.03

Calc coord

yes

CCDM

Ccdm	20544+6957	RComp		Comp	B	Note1
Note2		Discov num	A 1216	DRAs		DDEs
R dRAs		Year	1932	Theta	337	Rho	20.8
Obs	3	Vmag	14.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14441	M ADS BDS		N IDS		IDS	20536N6934B
HIC

20544+6957 C

Coord arcsec 2000	205420.69+695728.9		Coord calc	205420.69+695728.9		Mag	10.61		PmRA	-24.00
PmDE	-17.0		Calc delta mag	2.64

CCDM

Ccdm	20544+6957	RComp		Comp	C	Note1
Note2		Discov num	A 1216	DRAs		DDEs
R dRAs		Year	1932	Theta	351	Rho	40.9
Obs	3	Vmag	10.4	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14441	M ADS BDS		N IDS		IDS	20536N6934C
HIC

20544+6957 D

Coord arcsec 2000

205420.75+695729.0

Mag

11.6

Calc delta mag

3.63

Calc coord

yes

CCDM

Ccdm	20544+6957	RComp	C	Comp	D	Note1
Note2		Discov num	A 1216	DRAs		DDEs
R dRAs		Year	1904	Theta	091	Rho	0.8
Obs	3	Vmag	11.4	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14441	M ADS BDS		N IDS		IDS	20536N6934D
HIC