20427-1807 OCC 603 (BL Cap)

20^h 42^m 39.77^s -18° 06' 34.9" P.A. -1.00 sep 0.5 mag 7.40,9.00 Sp F2IV/V dist. 215.98 pc (704.53 l.y.)

Coord 2000	20427-1807	Discov num	OCC 603	Comp		Coord arcsec 2000	20 42 39.77 -18 06 34.9
Date first	1980	Date last	1980	Obs	0
Pa first	-1	Pa last	-1	P.A. Now (θ)	-1
Sep first	0.5	Sep last	0.5	Sep. Now (ρ)	0.5"
Mag pri	7.40	Mag sec	9.00	delta mag (ΔM)	1.6	Spectral class	F2IV/V (yellow-white)
Pri motion ra	+003	Sec motion ra
Pri motion dec	+004	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Var name	BL Cap	Constellation	Capricornus	SAO	163811	HIP	102217
Tycho2	6335-01160-1	Gaia DR2	6861426348052317440	HD	197187	GC	28847
BD	BD-18 5754	Distance	215.98	Distance ly	704.53

WDS 20427-1807 OCC 603 (BL Cap) : 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
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603			0			7.40	9.00			204239.77-180634.9
20427-1807	OCC 603		1980	0	-1	0.5	7.40	9.00			204239.77-180634.9

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

WDS 20427-1807 OCC 603 (BL Cap) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20427-1807 OCC 603 (BL Cap) : MEASURES

No records found.

WDS 20427-1807 (BL Cap) : 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 20427-1807 (BL Cap) : ALADIN DSS IMAGE @ 20^h 42^m 39.77^s -18° 06' 34.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20427-1807 OCC 603 (BL Cap) : 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		20427-1807	OCC 603		-1	0.5
Show		20429-1757	TDT2493	Aa,Ab	261	0.7	12
Show		20429-1757	ARA 499	AB	172	14.1	12
Show		20409-1831	AOT 93		146	19.8	35
Show		20413-1736	HJ 2986		185	18.3	37
Show		20452-1809	GWP2992		114	100.8	37
Show		20399-1817	LDS4853		39	207.9	40
Show		20398-1827	RST3265	AB	31	0.2	46
Show		20398-1827	HJ 2983	AB,C	174	15.5	46
Show		20397-1749	FEN 39		115	3.7	47
Show		20429-1857	KUI 100	AB	323	81.4	49
Show		20429-1857	KUI 100	AC	318	74.6	49
Show		20429-1857	KUI 100	AD	305	70.3	49
Show		20429-1856	WOR 41		261	3.1	50
Show		20410-1723	BU 1209		297	0.4	50
Show		20393-1827	LEO 48		199	2.3	53
Show		20408-1901	BAR 55		273	4.1	61
Show		20435-1907	HU 270	AB	85	1.8	62
Show		20435-1907	B 2890	AC	32	4.8	62
Show		20435-1907	AOT 95	AD	127	38.7	62
Show		20452-1857	ARA 803		123	12.1	62
Show		20394-1848	AOT 90		106	19.3	63
Show		20392-1850	LDS6415		350	1.5	66
Show		20433-1701	RST3267		217	1.4	67
Show		20385-1739	ARA 306		58	9.6	67
Show		20386-1849	AOT 89		146	12.2	71
Show		20431-1919	AOT 94		140	10.9	73
Show		20474-1837	HJ 2995		283	29.0	74
Show		20387-1715	OCC9055		-1	0.0	77
Show		20400-1700	OCC9056		-1	0.0	77
Show		20399-1918	AOT 91		192	17.9	82
Show		20416-1928	RST3266		261	2.4	83
Show		20484-1812	S 763	AB	293	15.8	83
Show		20484-1812	S 763	AC	177	542.3	83
Show		20484-1812	OCC9211	EF	46	0.6	83
Show		20439-1646	RST3268		119	1.7	83
Show		20434-1929	HLD 40	AB	356	5.2	84
Show		20434-1929	HLD 40	AC	258	144.2	84
Show		20434-1929	HLD 40	AD	255	145.6	84
Show		20434-1929	HLD 40	CD	188	4.5	84
Show		20484-1812	S 763	CD	333	9.1	84
Show		20387-1704	OCC9194		-1	0.1	85
Show		20364-1807	GWP2970	BC	350	8.3	88
Show		20364-1807	GWP2969	AB	40	109.0	89
Show		20415-1638	OCC9058		-1	0.1	90
Show		20464-1653	HU 271		100	0.3	92
Show		20405-1640	OCC9057		-1	0.0	92
Show		20407-1639	GWP2981		56	86.1	92
Show		20468-1655	ARN 110		90	59.4	93
Show		20430-1942	ARA1214		38	3.7	95
Show		20493-1802	HJ 3000		251	33.4	96

WDS 20427-1807 : COMPONENTS

	A
B	pa=0.0° sep=0.00"

20427-1807 A

Componente originario normalizzato	AB	Name	BL Cap	Coord arcsec 2000	204239.77-180634.9	Mag	7.4
Spectral class	F2IV/V (yellow-white)	PmRA	3.00	PmDE	4.0	SAO	163811
HIP	102217	Tycho2	6335-01160-1	HD	197187	GC	28847
BD	BD-18 5754

Tycho2

Tycho2	6335-01160-1	Pflag		RAmdeg	310.66572246	DEmdeg	-18.10967187
PmRA	3.0	PmDE	4.3	E RAmdeg	4	E DEmdeg	5
E pmRA	1.3	E pmDE	1.3	EpRAm	1991.48	EpDEm	1990.87
Num	11	Q RAmdeg	1.0	Q DEmdeg	1.2	Q pmRA	1.0
Q pmDE	1.2	BTmag	7.707	E BTmag	0.016	VTmag	7.366
E VTmag	0.011	Prox	999	TYC	T	HIP	102217
CCDM		RAdeg	310.66571528	DEdeg	-18.10968250	EpRA 1990	1.76
EpDE 1990	1.28	E RAdeg	4.3	E DEdeg	5.3	Posflg
Corr	-0.2

SAO

SAO	163811	DelFlag		RA1950		PmRA1950	0.0005
DE1950		PmDE1950	-0.006	Vmag	7.1	SpType	F0
Double code		Source	70	CatNum	28847	DM	BD-18 5754
DMcomp		BDsup		HD	197187	M HD	0
GC	28847	RA1950rad	5.40973954	DE1950rad	-0.31922378	PmRA2000	0.0006
PmDE2000	-0.008

Hipparcos

Catalog	H	HIP	102217	Proxy		RAhms	20 42 39.77
DEdms	-18 06 34.9	Vmag	7.33	VarFlag	2	R Vmag	H
RAdeg	310.666	DEdeg	-18.1097	AstroRef		Plx	3.06
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	197187	BD	BD-18 5754
CD		CP		Dm number	-18 5754	VIred	0.41
SpType	F2IV/V	R SpType		Coord arcsec 2000	204239.77-180634.9

Hipparcos 2

HIP	102217	Sn	5	So	0	Nc	1
RArad	5.4221396567	DErad	-0.3160736226	Plx	4.63	PmRA	1.52
PmDE	2.75	E RArad	0.58	E DErad	0.37	E Plx	0.65
E pmRA	0.73	E pmDE	0.61	Hpmag	7.4142	E Hpmag	0.0053
SHp	0.029	VA	1	BV	0.347	E BV	0.015
VI	0.41

20427-1807 B

Componente originario normalizzato	AB		Coord arcsec 2000	204239.77-180634.9		Mag	9		Calc delta mag	1.6
Calc coord	yes