20209-1809 OCC 825 (HD 193454)

20^h 20^m 53.52^s -18° 09' 22.0" P.A. -1.00 sep 0.1 mag 8.00,8.00 Sp G0V dist. 80.19 pc (261.58 l.y.)

Coord 2000	20209-1809	Discov num	OCC 825	Comp		Coord arcsec 2000	20 20 53.52 -18 09 22.0
Date first	1991	Date last	1991	Obs	0
Pa first	-1	Pa last	-1	P.A. Now (θ)	-1
Sep first	0.1	Sep last	0.1	Sep. Now (ρ)	0.1"
Mag pri	8.00	Mag sec	8.00	delta mag (ΔM)	0	Spectral class	G0V (yellow)
Pri motion ra	+057	Sec motion ra
Pri motion dec	-036	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 193454	Constellation	Capricornus	SAO	163472	HIP	100334
Tycho2	6332-01705-1	Gaia DR2	6861046947818780544	HD	193454	BD	BD-18 5651
Distance	80.19	Distance ly	261.58

WDS 20209-1809 OCC 825 (HD 193454) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
OCC1971	O j	Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F.,	1971Natur.234..405T
OCC1971		Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J.
OCC1971		Nature 234, 405, 1971 (also summarized in OCC2010)
OCC1972	O j	Hubbard, W.B. & van Flandern, T.C.	1972AJ.....77...65H
OCC1972		AJ 77, 65, 1972
OCC1976	O j	Taylor, G.E., Walker, E.N., Quintanilla, A.R. & Lopez de Coca, M.P.	1976A&A....50..121T
OCC1976		A&A 50, 121, 1976 (also summarized in OCC2010)
OCC1990	O j	Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W.,	1990AJ.....99.1636D
OCC1990		A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al.
OCC1990		AJ 99, 1636, 1990 (also summarized in OCC2010)
OCC1993	O j	Sato, I., Soma, M. & Hirose, T.	1993AJ....105.1553S
OCC1993		AJ 105, 1553, 1993 (also summarized in OCC2010)
OCC2001	O -	Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A.,	2001BASI...29..577V
OCC2001		Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K.
OCC2001		Bull. Astr. Soc. India 29, 577, 2001 (also summarized in OCC2010)
OCC2002	O -	Occult. Doubles Cat., D. Dunham, ed.	.
OCC2002		http://www.lunar-occultations.com/iota/iotandx.htm
OCC2008	O j	Ling, A.	2008JRASC.102...15L
OCC2008		JRASC 102, 15, 2008
OCC2009	O u	Herald, D. and Sandy, R.	2009JDSO....5..208H
OCC2009		JDSO 5, 208, 2009
OCC2009b	O j	Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B.,	2009PASP..121..359L
OCC2009b		Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al.
OCC2009b		PASP 121, 359, 2009 (also summarized in OCC2010)
OCC2010	O u	Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris,	2010JDSO....6...88H
OCC2010		T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al.
OCC2010		JDSO 6, 88, 2010
OCC2010b	O u	Herald, D., Loader, B. & Parker, S.	2010JDSO....6..150H
OCC2010b		JDSO 6, 150, 2010
OCC2010c	O -	Herald, D., Kashiwagura, M., Loader, B., Messner, S., Sandy, R. & Togashi, H.	2010JDSO....6..152H
OCC2010c		JDSO 6, 152, 2010
OCC2010d	O u	Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson,	2010JDSO....6..176L
OCC2010d		E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al.
OCC2010d		JDSO 6, 176, 2010
OCC2011	O u	George, T., Timerson, B., Coughlin, K. & Fleishman, R.	2011JDSO....7..129G
OCC2011		JDSO 7, 129, 2011
OCC2011b	O u	Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson,	2011JDSO....7..159L
OCC2011b		E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al.
OCC2011b		JDSO 7, 159, 2011
OCC2011c	O u	George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S.,	2011JDSO....7..169G
OCC2011c		Suggs, R., Venable, R. & Warren, W.H.
OCC2011c		JDSO 7, 169, 2011
OCC2011d	O -	George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J.,	2011JDSO....7..175G
OCC2011d		di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R.
OCC2011d		JDSO 7, 175, 2011
OCC2011e	O j	Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H.,	...................
OCC2011e		Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K.
OCC2011e		J. for Occultation Astron., #3, Jul-Sep 2011 (some data also in OCC2008)
OCC2012a	O j	George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A.,	2012JDSO....8..306G
OCC2012a		Centala, J., Modic, R., & Slauson, D.
OCC2012a		JDSO 8, 306, 2012
OCC2012b	O u	Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T.,	2012JDSO....8..313L
OCC2012b		Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al.
OCC2012b		JDSO 8, 313, 2012
OCC2013a	O -	George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W.,	2013JDSO....9...88G
OCC2013a		Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J.
OCC2013a		JDSO 9, 88, 2013
OCC2013b	O j	Giacchini, B.L., Timerson, B., George, T., Degenhardt, S. & Herald, D.	2013JDSO....9..130G
OCC2013b		JDSO 9, 130, 2013
OCC2013c	O j	Casas, R., Juan, J., Naves, R., Perello, C., Rovira, J., Selva, A. & Schnabel, C.	2013JDSO....9..183C
OCC2013c		JDSO 9, 183, 2013
OCC2013d	O j	Herald, D., Talbot, J., Bradshaw, J., Broughton, J., Hanna, W. & Watson, D.	2013JDSO....9..226H
OCC2013d		JDSO 9, 226, 2013
OCC2013e	O -	Herald, D.	2013JDSO....9..274H
OCC2013e		JDSO 9, 274, 2013
OCC2014a	O -	Loader, B.	2014JDSO...10....2L
OCC2014a		JDSO 10, 2, 2014
OCC2014b	O -	Gault, D.	2014JDSO...10....4G
OCC2014b		JDSO 10, 4, 2014
OCC2014c	O -	Herald, D., Talbot, J., Chad, C., Broughton, J. & Anderson, P.	2014JDSO...10...29H
OCC2014c		JDSO 10, 29, 2014
OCC2014d	O j	Herald, D., Talbot, J. & Kerr, S.	2014JDSO...10..107H
OCC2014d		JDSO 10, 107, 2014
OCC2014e	O u	Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T.,	2014JDSO...10..150L
OCC2014e		Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al.
OCC2014e		JDSO 10, 150, 2014
OCC2014f	O -	Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A.,	2014JDSO...10..240S
OCC2014f		Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al.
OCC2014f		JDSO 10, 240, 2014
OCC2016a	O j	Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D.,	2016JDSO...12..143L
OCC2016a		Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al.
OCC2016a		JDSO 12, 143, 2016
OCC2016b	O -	Gault, D. & Herald, D.	2016JDSO...12..556G
OCC2016b		JDSO 12, 556, 2016
OCC2017a	O j	Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M.,	2017JDSO...13..585L
OCC2017a		Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al.
OCC2017a		JDSO 13, 585, 2016
OCC2018a	O j	Timerson, B., George, T., Blank, T., Maley, P., Messner, S. & Moore, J.	2018JDSO...14..395T
OCC2018a		JDSO 14, 395, 2018	.
OCC2019a	O j	Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham,	2019JDSO...15..162T
OCC2019a		J., Gimple, B., Maley, P., Anthony, S., Wiesenborn, C., Hunt, T., Sumner, R. &
OCC2019a		Thomas, W.
OCC2019a		JDSO 15, 162, 2019	.
OCC2019b	O j	Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R.,	2019JDSO...15..268H
OCC2019b		Terakubo, K., Sato, M. & Shima, K.
OCC2019b		JDSO 15, 268, 2019	.
OCC2019c	O j	Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad,	2019JDSO...15..503L
OCC2019c		C., Ellington, C., Gault, D., Giacchini, B., Haymes, T., Herald, D., Ishida, M.,
OCC2019c		Iverson, E., Kerr, S., Manek, J., McKay, G., Messner, S., Pratt, A., Sandy, R.,
OCC2019c		Watanabe, H., Yamamura, H. & Yoshida, H.
OCC2019c		JDSO 15, 503, 2019	.
OCC2019d	O j	Giacchini, B.L., George, T., Spagnotto, J. & Wilberger, A.J.	2019JDSO...15..554G
OCC2019d		JDSO 15, 554, 2019	.
OCC2020a	O -	Perello, C., Frappa, E., Janik, T., Kattentidt, B., Polak, J., Rottenborn, M. &	2020JDSO...16...87P
OCC2020a		Selva, A.
OCC2020a		JDSO 16, 87, 2020
OCC2020b	O	Herald, D.	2020JDSO...16..113H
OCC2020b		JDSO 16, 105, 2020
OCC2020c	O	Bardecker, J. & Messner, S.	2020JDSO...16..405B
OCC2020c		JDSO 16, 405, 2020
OCC2020d	O	Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford,	2020JDSO...16..440G
OCC2020d		R., Trank, R., Preston, S. & Herald, D.
OCC2020d		JDSO 16, 440, 2020
OCC2020e	O	Boutet, M. & Sanchez, J.	2020JDSO...16..483B
OCC2020e		JDSO 16, 483, 2020
OCC2021a	O	Hayamizu, T., Soma, M., Watanabe, Ha., Asai, A., Watanable, Hi. & Nohara, H.	2021JDSO...17..131H
OCC2021a		JDSO 17, 131, 2021
OCC2021b	O	Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O.,	2021JDSO...17..230F
OCC2021b		Gacem, A., Khenifer, H.M., Mokhtari, L., Nosal, P., Rayane, H., Selimi, T.E.M.,
OCC2021b		Sposetti, S. & Aissa, D.B.
OCC2021b		JDSO 17, 230, 2021
OCC2022a	O	Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A.,	2022JDSO...18...61H
OCC2022a		Ida, M., Uchiyama, S., Nagata, T., Yamamura, H., Owada, M. & Yamashita, M.
OCC2022a		JDSO 18, 61, 2022
OCC2022b	O j	Andersson, S.	2022JDSO...18..207A
OCC2022b		JDSO 18, 207, 2022
OCC2022c	O j	Klos, O.	2022JDSO...18..210K
OCC2022c		JDSO 18, 210, 2022
OCC2023a	O j	Bardecker, J.	2023JDSO...19...59B
OCC2023a		JDSO 19, 59, 2023

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825			0			8.00	8.00			202053.52-180922.0
20209-1809	OCC 825		1991	0	-1	0.1	8.00	8.00			202053.52-180922.0

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

WDS 20209-1809 OCC 825 (HD 193454) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20209-1809 OCC 825 (HD 193454) : MEASURES

No records found.

WDS 20209-1809 (HD 193454) : 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 20209-1809 (HD 193454) : ALADIN DSS IMAGE @ 20^h 20^m 53.52^s -18° 09' 22.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20209-1809 OCC 825 (HD 193454) : 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		20209-1809	OCC 825		-1	0.1	1
Show		20210-1819	OCC 824		-1	0.1	11
Show		20187-1751	UC 4142		195	40.8	36
Show		20224-1841	B 479		117	2.3	39
Show		20201-1730	UC 4149	AB	105	51.9	41
Show		20201-1730	KPP4395	AC	76	5.1	41
Show		20178-1803	RST3253		115	2.5	45
Show		20220-1854	DON1119		198	5.1	48
Show		20221-1721	LDS6340		356	7.2	52
Show		20172-1742	FEN 37		64	4.7	60
Show		20219-1909	ARA 797		46	5.1	61
Show		20194-1907	H 5 87		180	56.0	62
Show		20234-1902	ARA 799		304	6.6	63
Show		20204-1919	WSP 68	AB	120	13.1	70
Show		20204-1919	WSP 68	AC	189	21.3	70
Show		20204-1919	WSP 68	AD	310	21.4	70
Show		20204-1919	WSP 68	AE	49	23.1	70
Show		20154-1817	RST3252		261	0.6	79
Show		20157-1849	HJ 2940	AB	101	35.3	84
Show		20157-1849	HJ 2940	AC	76	20.6	84
Show		20157-1849	ABH 134	AD	103	70.6	84
Show		20157-1849	ABH 134	AE	252	84.5	84
Show		20222-1647	H N 138		327	3.3	85
Show		20151-1742	RST3251		263	2.9	87
Show		20209-1939	BU 662	BC	297	2.2	88
Show		20209-1939	BU 662	AB	4	125.2	90
Show		20273-1813	CHR 184	Aa,Ab	50	0.1	92
Show		20273-1813	BU 60	AB	148	3.5	92
Show		20273-1813	BU 296	AC	40	37.9	92
Show		20268-1851	HU 586		118	0.6	95
Show		20194-1942	ARA1206		10	11.6	96
Show		20186-1942	ARA1204		298	12.8	98
Show		20144-1843	ARA 796		80	12.3	100
Show		20164-1652	OCC 864		-1	0.1	101
Show		20191-1947	BHA 38		102	3.2	102
Show		20277-1731	ARA 302		270	6.2	105
Show		20248-1943	HDS2919		277	0.1	109
Show		20274-1909	B 2485		116	1.8	110
Show		20152-1651	OCC 993		-1	0.1	113
Show		20289-1749	BU 61	BC	149	53.5	116
Show		20289-1749	SHJ 323	AB	189	1.7	116
Show		20289-1749	SHJ 323	AD	150	258.7	116
Show		20289-1749	BU 61	AC	150	54.6	116
Show		20242-1956	ARA1208		307	12.9	117
Show		20289-1749	DOB 13	DE	93	53.5	118
Show		20224-2014	ARG 38	BC	199	38.0	126
Show		20224-2014	ARG 38	AB	295	17.7	127
Show		20224-2014	ARG 38	AC	225	40.2	127
Show		20293-1847	ARA 800		112	14.3	127
Show		20225-1601	ARA 125		191	5.7	131
Show		20299-1835	SHJ 324	AB	238	22.0	131

WDS 20209-1809 : COMPONENTS

	A
B	pa=0.0° sep=0.00"

20209-1809 A

Componente originario normalizzato	AB	Name	HD 193454	Coord arcsec 2000	202053.52-180922.0	Mag	8
Spectral class	G0V (yellow)	PmRA	57.00	PmDE	-36.0	SAO	163472
HIP	100334	Tycho2	6332-01705-1	HD	193454	BD	BD-18 5651

Tycho2

Tycho2	6332-01705-1	Pflag		RAmdeg	305.22315983	DEmdeg	-18.15619556
PmRA	57.4	PmDE	-35.7	E RAmdeg	5	E DEmdeg	7
E pmRA	1.7	E pmDE	1.4	EpRAm	1991.50	EpDEm	1990.65
Num	9	Q RAmdeg	0.8	Q DEmdeg	0.9	Q pmRA	0.8
Q pmDE	0.9	BTmag	8.390	E BTmag	0.017	VTmag	7.846
E VTmag	0.012	Prox	999	TYC	T	HIP	100334
CCDM		RAdeg	305.22302083	DEdeg	-18.15610972	EpRA 1990	1.73
EpDE 1990	1.37	E RAdeg	4.9	E DEdeg	6.5	Posflg
Corr	-0.1

SAO

SAO	163472	DelFlag		RA1950		PmRA1950	0.0023
DE1950		PmDE1950	-0.029	Vmag	7.2	SpType	F8
Double code		Source	22	CatNum	8716	DM	BD-18 5651
DMcomp		BDsup		HD	193454	M HD	0
GC		RA1950rad	5.31463396	DE1950rad	-0.31965363	PmRA2000	0.0024
PmDE2000	-0.03

Hipparcos

Catalog	H	HIP	100334	Proxy		RAhms	20 20 53.52
DEdms	-18 09 22.0	Vmag	7.8	VarFlag		R Vmag	H
RAdeg	305.223	DEdeg	-18.1561	AstroRef		Plx	12.17
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	193454	BD	BD-18 5651
CD		CP		Dm number	-18 5651	VIred	0.6
SpType	G0V	R SpType		Coord arcsec 2000	202053.52-180922.0

Hipparcos 2

HIP	100334	Sn	5	So	0	Nc	1
RArad	5.327146525	DErad	-0.316883896	Plx	12.47	PmRA	56.4
PmDE	-34.57	E RArad	0.72	E DErad	0.41	E Plx	0.93
E pmRA	0.85	E pmDE	0.74	Hpmag	7.9133	E Hpmag	0.0012
SHp	0.011	VA	0	BV	0.523	E BV	0.015
VI	0.6

20209-1809 B

Componente originario normalizzato

Coord arcsec 2000

202053.52-180922.0

Mag

Calc coord

yes