18257-2726 OCC 186 (HD 169442)

18^h 25^m 44.96^s -27° 26' 27.5" P.A. -1.00 sep 0.1 mag 9.30,9.30 Sp K1III:

Coord 2000	18257-2726	Discov num	OCC 186	Comp		Coord arcsec 2000	18 25 44.96 -27 26 27.5
Date first	1933	Date last	1933	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	9.30	Mag sec	9.30	delta mag (ΔM)	0	Spectral class	K1III: (yellow-orange)
Pri motion ra	+005	Sec motion ra
Pri motion dec	-009	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 169442		Constellation	Sagittarius		SAO	186798		Tycho2	6865-02470-1
Gaia DR2	4051861804769117312		HD	169442

WDS 18257-2726 OCC 186 (HD 169442) : 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
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186			0			9.30	9.30			182544.96-272627.5
18257-2726	OCC 186		1933	0	-1	0.1	9.30	9.30	K1III:		182544.96-272627.5

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

WDS 18257-2726 OCC 186 (HD 169442) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18257-2726 OCC 186 (HD 169442) : MEASURES

No records found.

WDS 18257-2726 (HD 169442) : 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 18257-2726 (HD 169442) : ALADIN DSS IMAGE @ 18^h 25^m 44.96^s -27° 26' 27.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18257-2726 OCC 186 (HD 169442) : 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		18257-2726	OCC 186		-1	0.1
Show		18256-2724	COO 225	AB	359	5.9	3
Show		18256-2724	SIN 109	AC	89	69.0	3
Show		18259-2713	RST2050		77	2.0	14
Show		18261-2740	J 2211	AB	49	5.7	15
Show		18261-2740	J 2211	AC	196	11.4	15
Show		18275-2725	FIN 267		343	4.9	24
Show		18264-2749	B 2865		298	11.4	24
Show		18259-2752	RST2051		116	1.4	25
Show		18239-2746	VVV 4		166	95.5	33
Show		18286-2717	J 2214		119	5.3	44
Show		18289-2716	OCC 185		-1	0.1	44
Show		18280-2651	I 1366		225	0.4	47
Show		18281-2645	HDS2615	AB	186	0.3	52
Show		18281-2645	ARY 126	AC	135	54.1	52
Show		18277-2638	BU 133		230	0.6	56
Show		18225-2651	JKS 21	AB	326	22.9	57
Show		18225-2651	JKS 21	AC	48	26.4	57
Show		18296-2803	SKF2128		291	4.8	63
Show		18292-2640	B 391		65	0.2	66
Show		18290-2635	WNO 6		182	41.8	68
Show		18232-2825	HDS2601		221	0.2	68
Show		18307-2700	RST2059		5	1.9	71
Show		18311-2738	J 1632		165	5.3	72
Show		18207-2754	TDT 809		108	0.5	73
Show		18312-2757	RST2060	Ba,Bb	8	0.6	79
Show		18236-2610	HO 566		143	0.5	82
Show		18279-2848	RST2056		27	2.6	87
Show		18265-2601	J 2212		302	5.3	87
Show		18266-2600	J 2213		90	6.5	88
Show		18325-2753	SKF2131		47	4.7	94
Show		18328-2747	KPP 417		57	5.0	97
Show		18191-2644	B 387	BC	164	0.8	99
Show		18191-2644	B 387	BD	321	4.7	99
Show		18191-2644	B 387	AB	37	8.5	99
Show		18210-2842	B 2864	A,BC	166	38.6	99
Show		18210-2842	B 2864	BC	313	1.7	100
Show		18305-2848	HDS2624		230	0.1	103
Show		18322-2630	SKF2066		282	17.5	104
Show		18319-2831	RST2062		3	0.8	104
Show		18177-2746	I 1359		113	1.2	109
Show		18174-2730	HDS2585		83	0.2	111
Show		18176-2752	B 386		29	0.6	112
Show		18206-2856	BRT3066		167	2.7	114
Show		18176-2806	OCC 119		-1	0.1	115
Show		18281-2917	AAQ 3		74	3.5	116
Show		18292-2916	B 2450		347	14.0	119
Show		18346-2734	I 1026	AB	41	9.0	119
Show		18346-2734	I 1026	A,CD	145	36.1	119
Show		18346-2734	TOK 422	Aa,Ab	102	0.1	119
Show		18346-2734	I 1027	CD	69	1.9	119

WDS 18257-2726 : COMPONENTS

	A
B	pa=0.0° sep=0.00"

18257-2726 A

Componente originario normalizzato	AB	Name	HD 169442	Coord arcsec 2000	182544.96-272627.5	Mag	9.3
Spectral class	K1III: (yellow-orange)	PmRA	5.00	PmDE	-9.0	SAO	186798
Tycho2	6865-02470-1	HD	169442	DM	CD-2712824

Tycho2

Tycho2	6865-02470-1	Pflag		RAmdeg	276.43735456	DEmdeg	-27.44098058
PmRA	4.7	PmDE	-9.1	E RAmdeg	11	E DEmdeg	13
E pmRA	0.9	E pmDE	0.9	EpRAm	1987.73	EpDEm	1986.55
Num	16	Q RAmdeg	1.5	Q DEmdeg	1.8	Q pmRA	1.4
Q pmDE	1.8	BTmag	10.226	E BTmag	0.036	VTmag	8.890
E VTmag	0.018	Prox	999	TYC	T	HIP
CCDM		RAdeg	276.43734111	DEdeg	-27.44095556	EpRA 1990	1.77
EpDE 1990	1.79	E RAdeg	13.0	E DEdeg	16.3	Posflg
Corr	-0.1

SAO

SAO	186798	DelFlag		RA1950		PmRA1950	0.002
DE1950		PmDE1950	-0.021	Vmag	8.5	SpType	K0
Double code		Source	24	CatNum	11945	DM	CD-2712824
DMcomp		BDsup		HD	169442	M HD	0
GC		RA1950rad	4.81105223	DE1950rad	-0.47944672	PmRA2000	0.0019
PmDE2000	-0.021

18257-2726 B

Componente originario normalizzato

Coord arcsec 2000

182544.96-272627.5

Mag

9.3

Calc coord

yes