20001+3423 HU 1308 AB (HD 189705)

20^h 00^m 08.51^s +34° 23' 01.1" P.A. 28.00 sep 0.5 mag 9.55,9.86 Sp A

Coord 2000	20001+3423	Discov num	HU 1308	Comp	AB	Coord arcsec 2000	20 00 08.51 +34 23 01.1
Date first	1905	Date last	2016	Obs	22
Pa first	2	Pa last	27.6	P.A. Now (θ)	27.6°
Sep first	0.5	Sep last	0.52	Sep. Now (ρ)	0.52"
Mag pri	9.55	Mag sec	9.86	delta mag (ΔM)	0.31	Spectral class	A (white)
Pri motion ra	+004	Sec motion ra	+004
Pri motion dec	+001	Sec motion dec	+001
Notes

Nature of this double is uncertain.

20001+3423 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 189705	69236	20 00 09 +34 23 01	HU 1308 AB	2016	22	28	0.5	9.55	9.86	0.31		<===
Show		69236	20 00 09 +34 23 01	SCA 180 AC	2017	1	35	0.4	9.55	9.80	0.25
Show			20 00 09 +34 23 01	SCA 180 BC	2017	1	186	0.1	9.80	9.80	0.00

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 189705		Constellation	Cygnus		SAO	69236		Tycho2	2678-02028-1
Gaia DR2	2058514293824162560		HD	189705		ADS	13235

WDS 20001+3423 HU 1308 AB (HD 189705) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Hu_1896	not -	Hussey, W.F.	1896PASP....8..183H
Hu_1896		PASP 8, 183, 1896
Hu_1897	Ma -	Hussey, W.J.	1897AJ.....17...97H
Hu_1897		AJ 17, 97, 1897
Hu_1898	Ma j	Hussey, W.J.	1898AJ.....18..145H
Hu_1898		AJ 18, 145, 1898
Hu_1899	Ma j	Hussey, W.J.	1899AN....150..175H
Hu_1899		AN 150, 175, 1899
Hu_1900a	Ma -	Hussey, W.J.	1900AJ.....20..192H
Hu_1900a		AJ 20, 192, 1900
Hu_1900b	Ma -	Hussey, W.J.	1900AJ.....21...35H
Hu_1900b		AJ 21, 35, 1900
Hu_1900c	Ma j	Hussey, W.J.	1900AN....152..329H
Hu_1900c		AN 152, 329, #3645, 1900
Hu_1901a	Ma j	Hussey, W.J.	1901PLicO...5.....H
Hu_1901a	+orb	Pub. Lick Obs. 5, 1901
Hu_1901b	Ma j	Hussey, W.J.	1901LicOB...1...82H
Hu_1901b		Lick Obs. Bull. 1, 82, 1901
Hu_1902a	Ma j	Hussey, W.J.	1902LicOB...1..161H
Hu_1902a		Lick Obs. Bull. 1, 161, 1902
Hu_1902b	Ma j	Hussey, W.J.	1902LicOB...2....1H
Hu_1902b		Lick Obs. Bull. 2, 1, 1902
Hu_1903a	Ma j	Hussey, W.J.	1903LicOB...2...73H
Hu_1903a		Lick Obs. Bull. 2, 73, 1903
Hu_1903b	Ma j	Hussey, W.J.	1903LicOB...2..115H
Hu_1903b		Lick Obs. Bull. 2, 115, 1903
Hu_1904a	Ma j	Hussey, W.J.	1904LicOB...2..180H
Hu_1904a		Lick Obs. Bull. 2, 180, 1904
Hu_1904b	Ma -	Hussey, W.J.	1904LicOB...3...53H
Hu_1904b		Lick Obs. Bull. 3, 53, 1904
Hu_1905a	Ma -	Hussey, W.J.	1905LicOB...3...95H
Hu_1905a		Lick Obs. Bull. 3, 95, 1905
Hu_1905b	Ma -	Hussey, W.J.	1905LicOB...3..116H
Hu_1905b		Lick Obs. Bull. 3, 116, 1905
Hu_1905c	Ma -	Hussey, W.J.	1905LicOB...3..151H
Hu_1905c		Lick Obs. Bull. 3, 151, 1905
Hu_1906A	Ma -	Hussey, W.J.	1906MmRAS..56....1L
Hu_1906A		cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B	Ma -	Hussey, W.J.	1906QB821.B972.....
Hu_1906B		cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907	Ma -	Hussey, W.J.	1907LicOB...4..124H
Hu_1907		Lick Obs. Bull. 4, 124, 1907
Hu_1910	Ma -	Hussey, W.J.	1910AJ.....21..105H
Hu_1910		AJ 21, 105, 1910
Hu_1911	Ma -	Hussey, W.J.	1911LicOB...6..182H
Hu_1911		Lick Obs. Bull. 6, 182, 1911
Hu_1912a	Ma -	Hussey, W.J.	1915POMic...1..147H
Hu_1912a		Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b	Ma -	Hussey, W.J.	1915POMic...1..160H
Hu_1912b		Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c	Ma -	Hussey, W.J.	1915POMic...1..167H
Hu_1912c		Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A	Ma -	Hussey, W.J.	1927sdsc.book......
Hu_1927A		cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A	Ma -	Hussey, W.J.	1932QB821.A43......
Hu_1932A		cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999	Ma -	Hussey, W.J.	...................
Hu_9999		Unpublished, manuscript or reference not found.
Sca1979	orb -	Scardia, M.	1979AN....300..307S
Sca1979		AN 300, 307, 1979
Sca1980a	-	Scardia, M.	1980AN....301...95S
Sca1980a		AN 301, 95, 1980
Sca1980b	orb -	Scardia, M.	1980AN....301..131S
Sca1980b		AN 301, 131, 1980
Sca1980c	orb -	Scardia, M.	1980IAUDS..80....1S
Sca1980c		Inf. Circ. 80, 1, 1980
Sca1980d	orb -	Scardia, M.	1980AN....301..233S
Sca1980d		AN 301, 233, 1980
Sca1980e	orb -	Scardia, M.	1980AN....301..241S
Sca1980e		AN 301, 241, 1980
Sca1981a	orb -	Scardia, M.	1981AN....302...35S
Sca1981a		AN 302, 35, 1981
Sca1981b	orb -	Scardia, M.	1981AN....302..291S
Sca1981b		AN 302, 291, 1981
Sca1981c	orb -	Scardia, M.	1981IAUDS..83....1S
Sca1981c		Inf. Circ. 83, 1, 1981
Sca1981d	orb -	Scardia, M.	1981A&AS...43..375S
Sca1981d		A&AS 43, 375, 1981
Sca1981e	orb -	Scardia, M.	1981A&AS...45..431S
Sca1981e		A&AS 45, 431, 1981
Sca1981f	orb -	Scardia, M.	1981IAUDS..84....1S
Sca1981f		Inf. Circ. 84, 1, 1981
Sca1981g	orb -	Scardia, M.	1981IAUDS..85....1S
Sca1981g		Inf. Circ. 85, 1, 1981
Sca1982a	orb -	Scardia, M.	1982A&AS...47..167S
Sca1982a		A&AS 47, 167, 1982
Sca1982b	orb -	Scardia, M.	1982A&AS...49..503S
Sca1982b		A&AS 49, 503, 1982
Sca1982c	orb -	Scardia, M.	1982A&AS...50...19S
Sca1982c		A&AS 50, 19, 1982
Sca1982d	orb -	Scardia, M.	1982IAUDS..86....1S
Sca1982d		Inf. Circ. 86, 1, 1982
Sca1982e	-	Scardia, M.	1982IAUDS..87....1S
Sca1982e		Inf. Circ. 87, 1, 1982
Sca1982f	orb -	Scardia, M.	1982IAUDS..88....1S
Sca1982f		Inf. Circ. 88, 1, 1982
Sca1983a	orb -	Scardia, M.	1983IAUDS..89....1S
Sca1983a		Inf. Circ. 89, 1, 1983
Sca1983b	orb -	Scardia, M.	1983IAUDS..90....1S
Sca1983b		Inf. Circ. 90, 1, 1983
Sca1983c	orb -	Scardia, M.	1983A&AS...51..417S
Sca1983c		A&AS 51, 417, 1983
Sca1983d	Ma j	Scardia, M.	1983A&AS...53..433S
Sca1983d	+Pa	A&AS 53, 433, 1983
Sca1983e	orb -	Scardia, M.	1983AN....304...29S
Sca1983e		AN 304, 29, 1983
Sca1983f	orb -	Scardia, M.	1983AN....304..257S
Sca1983f		AN 304, 257, 1983
Sca1984a	orb -	Scardia, M.	1984A&AS...57..257S
Sca1984a		A&AS 57, 257, 1984
Sca1984b	Ma j	Scardia, M.	1984A&AS...58...89S
Sca1984b	+Pa	A&AS 58, 89, 1984
Sca1984c	orb -	Scardia, M.	1984AN....305..127S
Sca1984c		AN 305, 127, 1984
Sca1984d	orb -	Scardia, M.	1984IAUDS..92....1S
Sca1984d		Inf. Circ. 92, 1, 1984
Sca1984e	orb -	Scardia, M.	1984IAUDS..93....1S
Sca1984e		Inf. Circ. 93, 1, 1984
Sca1985a	orb -	Scardia, M.	1985A&AS...59..455S
Sca1985a		A&AS 59, 455, 1985
Sca1985b	orb -	Scardia, M.	1985IAUDS..95....1S
Sca1985b		Inf. Circ. 95, 1, 1985
Sca1985c	orb -	Scardia, M.	1985IAUDS..96....1S
Sca1985c		Inf. Circ. 96, 1, 1985
Sca1986a	orb -	Scardia, M.	1986IAUDS..99....1S
Sca1986a		Inf. Circ. 99, 1, 1986
Sca1986b	orb -	Scardia, M.	1986AN....307..149S
Sca1986b		AN 307, 149, 1986
Sca1987	Ma j	Scardia, M.	1987AN....308..271S
Sca1987		AN 308, 271, 1987
Sca1988a	Ma j	Scardia, M.	1988A&AS...75..515S
Sca1988a	+Pa	A&AS 75, 515, 1988
Sca1988b	Po j	Scardia, M.	1988Ap&SS.142..213S
Sca1988b		Ap&SS 142, 213-214, 1988
Sca1988c	Po j	Scardia, M.	1988Ap&SS.142..215S
Sca1988c		Ap&SS 142, 215-216, 1988
Sca1989	Ma j	Scardia, M.	1989ApJS...71..647S
Sca1989		ApJS 71, 647, 1989
Sca1990a	orb -	Scardia, M., Neri, R., & Grewing, M	1990IAUDS.111....1S
Sca1990a		Inf. Circ. 111, 1, 1990
Sca1990b	orb -	Scardia, M.	1990IAUDS.112....1S
Sca1990b		Inf. Circ. 112, 1, 1990
Sca1991a	Ma j	Scardia, M.	1991A&AS...90..565S
Sca1991a		A&AS 90, 565, 1991
Sca1991b	Ma j	Scardia, M., Neri, R., & Grewing, M	1991AN....312..351S
Sca1991b	+S	AN 312, 351, 1991
Sca1991b	+orb
Sca1991c	orb -	Scardia, M.	1991IAUDS.114....1S
Sca1991c		Inf. Circ. 114, 1, 1991
Sca1992	Po j	Scardia, M. & Gellera, D.	1992A&AS...96..157S
Sca1992		A&AS 96, 157, 1992
Sca1993	orb -	Scardia, M.	1993IAUDS.120....1S
Sca1993		Inf. Circ. 120, 1, 1993
Sca2000a	orb -	Scardia, M.	2000IAUDS.142....1S
Sca2000a		Inf. Circ. 142, 1, 2000
Sca2000b	orb -	Scardia, M., Prieur, J.-L., Aristidi, E., & Koechlin, L.	2000AN....321..255S
Sca2000b		AN 321, 255, 2000
Sca2000c	S j	Scardia, M., Prieur, J.-L., Aristidi, E., & Koechlin, L.	2000ApJS..131..561S
Sca2000c		ApJS 131, 561, 2000
Sca2001a	orb -	Scardia, M.	2001IAUDS.143....1S
Sca2001a		Inf. Circ. 143, 1, 2001
Sca2001b	orb -	Scardia, M.	2001IAUDS.144Q...1S
Sca2001b		Inf. Circ. 144, 1, 2001
Sca2001c	orb -	Scardia, M., Prieur, J.-L., Koechlin, L., & Aristidi, E.	2001IAUDS.144R...1S
Sca2001c		Inf. Circ. 144, 1, 2001
Sca2001d	orb -	Scardia, M., Prieur, J.-L., Koechlin, L., & Aristidi, E.	2001AN....322..161S
Sca2001d		AN 322, 161, 2001
Sca2001e	orb -	Scardia, M.	2001IAUDS.145....2S
Sca2001e		Inf. Circ. 145, 2, 2001
Sca2001f	orb -	Scardia, M., Prieur, J.-L., Aristidi, E., Lopez, B., Mignard, F., & Carbillet, M.	2001IAUDS.145Q...1S
Sca2001f		Inf. Circ. 145, 1, 2001
Sca2001g	orb -	Scardia, M., Prieur, J.-L., Koechlin, L., & Aristidi, E.	2001IAUDS.145R...1S
Sca2001g		Inf. Circ. 145, 1, 2001
Sca2002a	orb -	Scardia, M., Prieur, J.-L., Koechlin, L., & Aristidi, E.	2002IAUDS.146....1S
Sca2002a		Inf. Circ. 146, 1, 2002
Sca2002b	orb -	Scardia, M., Prieur, J.-L., Koechlin, L., & Aristidi, E.	2002IAUDS.147....2S
Sca2002b		Inf. Circ. 147, 2, 2002
Sca2002c	orb -	Scardia, M.	2002IAUDS.148....1S
Sca2002c		Inf. Circ. 148, 1, 2002
Sca2002d	orb -	Scardia, M., Prieur, J.-L., Koechlin, L., & Aristidi, E.	2002IAUDS.148....3S
Sca2002d		Inf. Circ. 148, 3, 2002
Sca2003a	orb -	Scardia, M.	2003IAUDS.149Q...1S
Sca2003a		Inf. Circ. 149, 1, 2003
Sca2003b	orb -	Scardia, M. & Bruzzi, A.	2003IAUDS.149R...1S
Sca2003b		Inf. Circ. 149, 1, 2003
Sca2003c	orb -	Scardia, M., Prieur, J.-L., Koechlin, L., & Aristidi, E.	2003IAUDS.149S...1S
Sca2003c		Inf. Circ. 149, 1, 2003
Sca2003d	orb -	Scardia, M., Prieur, J.-L., Koechlin, L., & Aristidi, E.	2003IAUDS.150....2S
Sca2003d		Inf. Circ. 150, 2, 2003
Sca2003e	orb -	Scardia, M., Prieur, J.-L., Koechlin, L., & Aristidi, E.	2003IAUDS.151....2S
Sca2003e		Inf. Circ. 151, 2, 2003
Sca2004a	orb -	Scardia, M., Prieur, J., Aristidi, E., Koechlin, L., & Sala, M.	2004IAUDS.153....1S
Sca2004a		Inf. Circ. 153, 1, 2004
Sca2005a	S j	Scardia, M., Prieur, J.-L., Sala, M., Ghigo, M., Koechlin, L., Aristidi, E.,	2005MNRAS.357.1255S
Sca2005a	+C	& Mazzoleni, F.
Sca2005a	+orb	MNRAS 357, 1255, 2005
Sca2005a		(theta corrections from Prieur, private communication)
Sca2005b	orb -	Scardia, M. & Pansecchi, L.	2005IAUDS.156Q...1S
Sca2005b		Inf. Circ. 156, 1, 2005
Sca2005c	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2005IAUDS.156R...1S
Sca2005c		Inf. Circ. 156, 1, 2005
Sca2006a	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W., & Basso, S.	2006IAUDS.158....1S
Sca2006a		Inf. Circ. 158, 1, 2006
Sca2006b	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W., & Basso, S.	2006IAUDS.159....1S
Sca2006b		Inf. Circ. 159, 1, 2006
Sca2006c	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2006IAUDS.160....2S
Sca2006c		Inf. Circ. 160, 2, 2006
Sca2006d	S j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Sala, M., Ghigo, M.,	2006MNRAS.367.1170S
Sca2006d		Koechlin, L., & Aristidi, E.
Sca2006d		MNRAS 367, 1170, 2006
Sca2007a	S j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Basso, S., Sala, M.,	2007MNRAS.374..965S
Sca2007a		Ghigo, M., Koechlin, L., & Aristidi, E.
Sca2007a		MNRAS 374, 965, 2007
Sca2007b	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2007IAUDS.161....1S
Sca2007b		Inf. Circ. 161, 1, 2007
Sca2007c	orb -	Scardia, M., Argyle, R.W., Prieur, J.-L., Pansecchi, L., Basso, S., Law, N.M., &	2007AN....328..146S
Sca2007c		Mackay, C.D.
Sca2007c		AN 328, 146, 2007
Sca2007d	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2007IAUDS.162....1S
Sca2007d		Inf. Circ. 162, 1, 2007
Sca2007e	orb -	Scardia, M., Argyle, R.W., Pansecchi, L., Prieur, J.-L., & Basso, S.	2007IAUS..240..132S
Sca2007e		IAU Symp. 240, 132, 2007
Sca2007f	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2007IAUDS.163....1S
Sca2007f		Inf. Circ. 163, 1, 2007
Sca2008a	S j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Sala, M., Basso, S.,	2008AN....329...54S
Sca2008a	+orb	Ghigo, M., Koechlin, L., & Aristidi, E.
Sca2008a		AN 329, 54, 2008
Sca2008b	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2008IAUDS.164....1S
Sca2008b		Inf. Circ. 164, 1, 2008
Sca2008c	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2008AN....329..379S
Sca2008c		AN 329, 379, 2008
Sca2008d	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2008IAUDS.165....1S
Sca2008d		Inf. Circ. 165, 1, 2008
Sca2008e	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2008IAUDS.166....1S
Sca2008e		Inf. Circ. 166, 1, 2008
Sca2009a	S j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., & Sala, M.	2009AN....330...55S
Sca2009a	+orb	AN 330, 55, 2009
Sca2009b	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2009IAUDS.167....1S
Sca2009b		Inf. Circ. 167, 1, 2009
Sca2009c	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2009IAUDS.168....1S
Sca2009c		Inf. Circ. 168, 1, 2009
Sca2009d	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2009IAUDS.169....1S
Sca2009d		Inf. Circ. 169, 1, 2009
Sca2010a	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2010IAUDS.170....1S
Sca2010a		Inf. Circ. 170, 1, 2010
Sca2010b	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2010IAUDS.171....1S
Sca2010b		Inf. Circ. 171, 1, 2010
Sca2010c	S j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., & Sala, M.	2010AN....331..286S
Sca2010c	+orb	AN 331, 286, 2010
Sca2010d	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2010IAUDS.172....1S
Sca2010d		Inf. Circ. 172, 1, 2010
Sca2011a	S j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., & Sala, M.	2011AN....332..508S
Sca2011a	+orb	AN 332, 508, 2011
Sca2011b	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2010IAUDS.175....1S
Sca2011b		Inf. Circ. 175, 1, 2011
Sca2012	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2012IAUDS.176....1S
Sca2012		Inf. Circ. 176, 1, 2012
Sca2012b	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2012IAUDS.177....1S
Sca2012b		Inf. Circ. 177, 1, 2012
Sca2012c	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2012IAUDS.178....1S
Sca2012c		Inf. Circ. 178, 1, 2012
Sca2012d	orb -	Scardia, M. & Pansecchi, L.	2012IAUDS.178Q...1S
Sca2012d		Inf. Circ. 178, 1, 2012
Sca2012e	A j	Scardia, M., Pansecchi, L., Ragazzoni, R., Cecconi, M., Desidera, S.,	2012IAUDS.178R...1S
Sca2012e		Farinato, J., Fiorenzano, A., & Ghedina, A.
Sca2012e		Inf. Circ. 178, 1, 2012
Sca2013a	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2013IAUDS.179....1S
Sca2013a		Inf. Circ. 179, 1, 2013
Sca2013b	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2013IAUDS.180....1S
Sca2013b		Inf. Circ. 180, 1, 2013
Sca2013c	S j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Spano, P., Riva, M.,	2013MNRAS.434.2803S
Sca2013c		& Landoni, M.
Sca2013c	+orb	MNRAS 434, 2803, 2013
Sca2013d	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W.	2013IAUDS.181....1S
Sca2013d		Inf. Circ. 181, 1, 2013
Sca2014a	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., & Zanutta, A.	2014IAUDS.182....1S
Sca2014a		Inf. Circ. 182, 1, 2014
Sca2014b	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., & Zanutta, A.	2014IAUDS.183....1S
Sca2014b		Inf. Circ. 183, 1, 2014
Sca2015a	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., & Zanutta, A.	2015IAUDS.185....1S
Sca2015a		Inf. Circ. 185, 1, 2015
Sca2015b	S j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R., Zanutta, A., & Aristidi, E.	2015AN....336..388S
Sca2015b	+orb	AN 336, 388, 2015
Sca2015c	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., & Zanutta, A.	2015IAUDS.186....1S
Sca2015c		Inf. Circ. 186, 1, 2015
Sca2016a	orb -	Scardia, M., Prieur, J.-L., Rivet, Vernet, Pansecchi, L., Argyle, R.W.,	2016IAUDS.189....1S
Sca2016a		Aristidi, E., Abe, Bendoya, Combier-Dimur, & Suarez
Sca2016a		Inf. Circ. 189, 1, 2016
Sca2016b	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., & Aristidi, E.	2016IAUDS.189Q...1S
Sca2016b		Inf. Circ. 189, 1, 2016
Sca2016c	orb j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Aristidi, E., Abe,	2016IAUDS.190....1S
Sca2016c		Bendoya, Combier-Dimur, Rivet, Suarez, & Vernet
Sca2016c		Inf. Circ. 190, 1, 2016
Sca2016c	S j	Scardia, M.	2016IAUDS.190...11S
Sca2016c		Inf. Circ. 190, 11, 2016
Sca2017a	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Ling, J.F., Zanutta, A.,	2017IAUDS.191....1S
Sca2017a		Aristidi, E., Abe, Bendoya, Combier-Dimur, Rivet, Suarez, & Vernet
Sca2017a		Inf. Circ. 191, 1, 2017
Sca2017b	S j	Scardia, M.	2017IAUDS.191....4S
Sca2017b		Inf. Circ. 191, 4, 2017
Sca2017c	lin -	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Ling, J.F., Aristidi, E.,	2017IAUDS.192....3S
Sca2017c		Zanutta, A., Abe, Bendoya, Combier-Dimur, Rivet, Suarez, & Vernet
Sca2017c		Inf. Circ. 191, 3, 2017
Sca2017d	orb j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Ling, J.F., Zanutta, A.,	2017IAUDS.193....1S
Sca2017d	+S	Aristidi, E., Abe, Bendoya, Combier-Dimur, Rivet, Suarez, & Vernet
Sca2017d		Inf. Circ. 193, 1, 2017
Sca2018a	orb j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Ling, J.F., Aristidi, E.,	2018IAUDS.194....1S
Sca2018a		Zanutta, A.Abe, Bendoya, Combier-Dimur, Rivet, Suarez, & Vernet
Sca2018a		Inf. Circ. 194, 1, 2018
Sca2018b	S j	Scardia, M.	2018IAUDS.195....8S
Sca2018b		Inf. Circ. 195, 8, 2018	.
Sca2018c	Ma j	Scardia, M.	...................
Sca2018c		Webb Soc., Double Star Circ. 26, 5, 2018
Sca2018d	S j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Ling, J.F., Aristidi, E.,	2018IAUDS.196....2S
Sca2018d		Zanutta, A.Abe, Bendoya, Rivet, Suarez, & Vernet
Sca2018d	+not	Inf. Circ. 196, 2, 2018
Sca2018e	S j	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Zanutta, A. & Aristidi, E.	2018AN....339..571S
Sca2018e	+orb	AN 339, 571, 2018
Sca2019a	S j	Scardia, M.	2019IAUDS.197....2S
Sca2019a		Inf. Circ. 197, 2, 2019	.
Sca2019b	orb j	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,	2019IAUDS.198....1C
Sca2019b		Zanutta, A., Abe, Bendjoya, Rivet, Suarez, & Vernet
Sca2019b		Inf. Circ. 198, 1, 2019	.
Sca2019c	S j	Scardia, M., Rivet, J.-P., Prieur, J.L., Pansecchi, L., Argyle, R.W., Ling, J.F.,	2019AN....340..771S
Sca2019c		Aristidi, E., Zanutta, A., Vernet, D., Abe, L., Bendjoya, P., Dimur, C. & Suarez, O.
Sca2019c		AN 340, 771, 2019
Sca2019d	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,	2019IAUDS.199...1C
Sca2019d		Zanutta, A., Abe, Bendjoya, Rivet, Suarez, & Vernet
Sca2019d		Inf. Circ. 199, 1, 2019
Sca2020	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,	2020IAUDS.200...1C
Sca2020		Zanutta, A., Abe, Bendjoya, Rivet, Suarez, & Vernet
Sca2020		Inf. Circ. 200, 1, 2020
Sca2020b	S j	Scardia, M.	2020IAUDS.200....3S
Sca2020b		Inf. Circ. 200, 3, 2020	.
Sca2020c	S j	Scardia, M.	2020IAUDS.201....8S
Sca2020c		Inf. Circ. 201, 8, 2020	.
Sca2020d	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,	2020IAUDS.201....1A
Sca2020d		Zanutta, A., Maccarini, Abe, Bendjoya, Rivet, Suarez, & Vernet
Sca2020d		Inf. Circ. 201, 1, 2020
Sca2020e	S j	Scardia, M.	.
Sca2020e		private communication, 2020 (10 October email)
Sca2020f	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,	2020IAUDS.202....1S
Sca2020f		Zanutta, A., Abe, Bendjoya, Rivet, Suarez, & Vernet
Sca2020f		Inf. Circ. 202, 1, 2020
Sca2021a	S j	Scardia, M.	2021IAUDS.205....5S
Sca2021a		Inf. Circ. 205, 5, 2021	.
Sca2021b	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,	2021IAUDS.205....1S
Sca2021b		Zanutta, A., Abe, Bendjoya, Rivet, Vernet, & Maccarini	.
Sca2021b		Inf. Circ. 205, 1, 2021	.
Sca2022a	not j	Scardia, M.	.
Sca2022a		private communication, 2022 (2 March email)
Sca2022b	S j	Scardia, M.	2022IAUDS.208....2S
Sca2022b		Inf. Circ. 208, 2, 2022	.
Sca2022c	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,	2022IAUDS.207....1S
Sca2022c		Zanutta, A., Abe, Bendjoya, Rivet, Vernet, & Maccarini	.
Sca2022c		Inf. Circ. 207, 1, 2022	.
Sca2022d	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,	2022IAUDS.208....1S
Sca2022d		Zanutta, A., Abe, Bendjoya, Rivet, Vernet, & Maccarini	.
Sca2022d		Inf. Circ. 208, 1, 2022	.
Sca2023a	orb -	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,	2023IAUDS.209....1S
Sca2023a		Zanutta, A., Abe, Bendjoya, Rivet, Vernet, & Maccarini	.
Sca2023a		Inf. Circ. 207, 1, 2022	.
Sca2023b	S j	Scardia, M.	2023IAUDS.210....7S
Sca2023b		Inf. Circ. 210, 7, 2023	.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20001+3423	HU 1308	AB	2016	20	28	0.5	9.55	9.86	A		200008.51+342301.1

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WDS 20001+3423 HU 1308 AB (HD 189705) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20001+3423 HU 1308 AB (HD 189705) : MEASURES

No records found.

WDS 20001+3423 (HD 189705) : VIRTUAL EYEPIECE

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

WDS 20001+3423 (HD 189705) : ALADIN DSS IMAGE @ 20^h 00^m 08.51^s +34° 23' 01.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20001+3423 HU 1308 AB (HD 189705) : 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		20001+3423	HU 1308	AB	28	0.5
Show		20001+3423	SCA 180	AC	35	0.4
Show		20001+3423	SCA 180	BC	186	0.1
Show		20002+3429	POP 61		11	4.3	6
Show		20005+3418	SEI 780		141	5.7	7
Show		19598+3432	LEP 168		167	4.7	11
Show		20004+3434	SEI 779		116	16.5	11
Show		20013+3426	SEI 790		116	24.9	15
Show		20016+3417	SEI 793		27	4.0	20
Show		19586+3424	SEI 754	AB	359	28.5	20
Show		19586+3424	WSI 147	AC	74	8.5	20
Show		20016+3435	COU1947		91	0.3	22
Show		19597+3359	FRT 2	AB	237	6.9	25
Show		19597+3359	FRT 2	AC	311	3.0	25
Show		19597+3359	FRT 2	AD	63	7.0	25
Show		19581+3422	SEI 752		71	10.0	25
Show		20020+3411	SEI 800		350	24.9	27
Show		19589+3447	TDT1897		30	1.3	28
Show		20025+3427	SEI 811		79	19.9	30
Show		20016+3358	SEI 794		193	3.8	31
Show		20012+3451	SEI 788		149	29.0	31
Show		19594+3454	GAT 28		129	1.4	33
Show		20015+3452	POP 63		62	4.7	34
Show		20031+3421	BKO 525		308	11.5	37
Show		20030+3416	BKO 524		62	13.9	37
Show		20002+3459	SEI 776		156	13.4	37
Show		20032+3421	SEI 820		91	10.8	38
Show		20010+3346	SEI 785		137	29.2	39
Show		20013+3346	SEI 789		347	16.9	41
Show		19579+3353	COU1805		64	0.3	41
Show		20023+3354	SEI 804		270	27.4	41
Show		19592+3503	SEI 761		186	20.2	41
Show		20034+3420	SEI 823		232	17.2	41
Show		20034+3432	TDS1036		4	1.2	42
Show		20027+3355	BKO 522	BC	15	1.9	42
Show		20027+3355	BKO 522	AB	340	6.8	43
Show		20027+3355	BKO 522	AD	199	10.6	43
Show		20027+3355	BKO 522	DE	154	4.4	43
Show		20025+3450	SEI 812		156	6.8	43
Show		19587+3502	TDT1894		33	1.5	43
Show		20026+3352	BKO 521	BC	57	5.1	44
Show		20026+3352	BKO 521	AB	34	10.5	44
Show		19582+3346	SEI 753		139	6.6	44
Show		20033+3403	SEI 822		212	24.3	45
Show		19576+3454	HLM 35		266	7.4	45
Show		19583+3345	DAM 312	BC	83	6.8	45
Show		19583+3345	ELS 8	AB	95	4.2	45
Show		20032+3357	SEI 821		93	29.2	47
Show		20008+3337	SEI 784		159	23.5	48
Show		20027+3349	SEI 815	AB	358	19.4	48
Show		20027+3349	SEI 816	AC	113	20.6	48

WDS 20001+3423 : COMPONENTS

	A	B
B	pa=0.0° sep=0.00"
C	pa=30.1° sep=0.35"	pa=30.1° sep=0.35"

20001+3423 A

Name	HD 189705	Coord arcsec 2000	200008.51+342301.1	Mag	9.55	Spectral class	A (white)
PmRA	4.00	PmDE	1.0	SAO	69236	Tycho2	2678-02028-1
HD	189705	ADS	13235	DM	BD+33 3683

Tycho2

Tycho2	2678-02028-1	Pflag		RAmdeg	300.03547588	DEmdeg	34.38368360
PmRA	4.2	PmDE	0.6	E RAmdeg	8	E DEmdeg	8
E pmRA	1.0	E pmDE	1.0	EpRAm	1990.55	EpDEm	1990.83
Num	11	Q RAmdeg	1.2	Q DEmdeg	1.2	Q pmRA	1.2
Q pmDE	1.3	BTmag	9.098	E BTmag	0.017	VTmag	9.031
E VTmag	0.016	Prox	999	TYC	T	HIP
CCDM		RAdeg	300.03546333	DEdeg	34.38368250	EpRA 1990	1.60
EpDE 1990	1.79	E RAdeg	8.2	E DEdeg	7.7	Posflg	P
Corr	0.1

SAO

SAO	69236	DelFlag		RA1950		PmRA1950	0.0014
DE1950		PmDE1950	-0.002	Vmag	8.7	SpType	A
Double code		Source	6	CatNum	1960	DM	BD+33 3683
DMcomp		BDsup		HD	189705	M HD	0
GC		RA1950rad	5.22830224	DE1950rad	0.59769347	PmRA2000	0.0016
PmDE2000	-0.003

CCDM

Ccdm	20001+3423	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.43	DDEs	1.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.3	Sp	A	PmNote	*
PmRA	-1	PmDE	9	Dm number	+33 3683	Cat1	BD
Name2	+34 1960	Cat2	AGK2/3	HD	189705	M HD
ADS BDS	A13235	M ADS BDS		N IDS		IDS	19563N3407A
HIC

20001+3423 B

Coord arcsec 2000	200008.51+342301.1		Coord calc	200008.51+342301.1		Mag	9.8		PmRA	4.00
PmDE	1.0		Calc delta mag	0.25

CCDM

Ccdm	20001+3423	RComp		Comp	B	Note1
Note2		Discov num	HU 1308	DRAs		DDEs
R dRAs		Year	1959	Theta	009	Rho	0.4
Obs	5	Vmag	9.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A13235	M ADS BDS		N IDS		IDS	19563N3407B
HIC

20001+3423 C

Coord arcsec 2000

200008.52+342301.4

Mag

9.8

Calc delta mag

0.25

Calc coord

yes