20474-2145 OCC 56 (HD 197919)

20^h 47^m 26.79^s -21° 44' 53.7" P.A. -1.00 sep 0.1 mag 9.90,9.90 Sp K1III:

Coord 2000	20474-2145	Discov num	OCC 56	Comp		Coord arcsec 2000	20 47 26.79 -21 44 53.7
Date first	1927	Date last	1927	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	9.90	Mag sec	9.90	delta mag (ΔM)	0	Spectral class	K1III: (yellow-orange)
Pri motion ra	+008	Sec motion ra
Pri motion dec	-004	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 197919		Constellation	Capricornus		SAO	189698		Tycho2	6343-01603-1
Gaia DR2	6855252281024497024		HD	197919		DM	CD-2215003

WDS 20474-2145 OCC 56 (HD 197919) : 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
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56			0			9.90	9.90			204726.79-214453.7
20474-2145	OCC 56		1927	0	-1	0.1	9.90	9.90			204726.79-214453.7

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

WDS 20474-2145 OCC 56 (HD 197919) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20474-2145 OCC 56 (HD 197919) : MEASURES

No records found.

WDS 20474-2145 (HD 197919) : 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 20474-2145 (HD 197919) : ALADIN DSS IMAGE @ 20^h 47^m 26.79^s -21° 44' 53.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20474-2145 OCC 56 (HD 197919) : 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		20474-2145	OCC 56		-1	0.1
Show		20465-2141	B 500		124	1.5	14
Show		20462-2145	HDS2957		236	0.4	18
Show		20462-2131	OCC9196		-1	0.0	23
Show		20458-2139	OCC 55		-1	0.1	25
Show		20485-2205	DON 994		85	0.6	25
Show		20455-2148	UC 4281		280	7.8	27
Show		20487-2216	UC 4296		251	33.2	36
Show		20446-2230	TDT2512		57	2.1	61
Show		20448-2054	BU 674	AB	99	2.0	64
Show		20434-2218	HJ 2989		153	29.5	66
Show		20440-2233	ARA1933		335	9.7	68
Show		20517-2112	UC 4310		318	18.7	69
Show		20489-2037	HJ 2998	AB	140	6.0	71
Show		20489-2037	BU 1494	AC	135	92.5	71
Show		20498-2036	ARA1218		307	1.4	77
Show		20527-2205	OCC9215		174	0.0	77
Show		20422-2122	ARA1584		1	11.7	77
Show		20460-2031	OCC9195		-1	0.0	77
Show		20421-2117	B 1894		207	0.4	80
Show		20432-2049	CHR 222	AB	123	0.2	82
Show		20432-2049	CVR 8	AB,C	307	13.6	82
Show		20473-2307	BRT1566		285	3.1	83
Show		20453-2024	HJ 2992		144	2.9	87
Show		20438-2031	HJ 2990		308	19.6	91
Show		20449-2311	SEE 427		132	3.7	93
Show		20446-2311	OCC 91		-1	0.1	95
Show		20450-2315	UC 4279		346	8.8	97
Show		20417-2249	LDS4854		106	3.3	103
Show		20478-2334	HDO 161	AB	19	29.8	110
Show		20478-2334	HDO 161	AC	244	38.8	110
Show		20512-2010	BHA 41		64	4.5	110
Show		20439-1958	BRT1565		221	4.1	118
Show		20395-2230	WIS 340		327	104.3	120
Show		20444-2339	HJ 2991	BC	285	5.8	122
Show		20531-2013	ARA1220		187	6.7	122
Show		20444-2339	HJ 2991	AB	9	38.1	122
Show		20526-2323	WHC 21		19	31.5	123
Show		20493-1945	ALP 25		163	21.1	124
Show		20451-2346	I 666		149	0.4	126
Show		20415-2012	ARA1213		245	1.3	126
Show		20554-2048	ARA1585		138	16.2	126
Show		20462-2352	HO 139		214	5.2	129
Show		20519-2344	RST3271		151	0.3	134
Show		20384-2100	RST9008		102	0.1	134
Show		20383-2234	ARA1932		215	12.6	137
Show		20573-2138	SEE 434	AB	149	4.3	138
Show		20573-2138	SHT 35	AC	273	49.1	138
Show		20430-1942	ARA1214		38	3.7	139
Show		20381-2244	B 497		275	0.6	144
Show		20399-2008	I 1426		225	1.6	144

WDS 20474-2145 : COMPONENTS

	A
B	pa=0.0° sep=0.00"

20474-2145 A

Componente originario normalizzato	AB	Name	HD 197919	Coord arcsec 2000	204726.79-214453.7	Mag	9.9
Spectral class	K1III: (yellow-orange)	PmRA	8.00	PmDE	-4.0	SAO	189698
Tycho2	6343-01603-1	HD	197919	DM	CD-2215003

Tycho2

Tycho2	6343-01603-1	Pflag		RAmdeg	311.86165364	DEmdeg	-21.74826496
PmRA	7.8	PmDE	-4.0	E RAmdeg	15	E DEmdeg	19
E pmRA	1.5	E pmDE	1.6	EpRAm	1988.44	EpDEm	1986.07
Num	9	Q RAmdeg	1.3	Q DEmdeg	0.7	Q pmRA	1.3
Q pmDE	0.6	BTmag	10.988	E BTmag	0.056	VTmag	9.551
E VTmag	0.024	Prox	999	TYC	T	HIP
CCDM		RAdeg	311.86163083	DEdeg	-21.74825639	EpRA 1990	1.66
EpDE 1990	1.31	E RAdeg	17.0	E DEdeg	22.9	Posflg
Corr	-0.2

SAO

SAO	189698	DelFlag		RA1950		PmRA1950	-0.0003
DE1950		PmDE1950	0.005	Vmag	9.1	SpType	K0
Double code		Source	25	CatNum	14423	DM	CD-2215003
DMcomp		BDsup		HD	197919	M HD	0
GC		RA1950rad	5.43036623	DE1950rad	-0.38279736	PmRA2000	-0.0003
PmDE2000	0.003

20474-2145 B

Componente originario normalizzato

Coord arcsec 2000

204726.79-214453.7

Mag

9.9

Calc coord

yes