18317-2541 OCC 264 (HD 170636)

18^h 31^m 40.17^s -25° 41' 25.4" P.A. -1.00 sep 0.1 mag 9.20,9.50 Sp F5V dist. 90.58 pc (295.47 l.y.)

Coord 2000	18317-2541	Discov num	OCC 264	Comp		Coord arcsec 2000	18 31 40.17 -25 41 25.4
Date first	1972	Date last	1972	Obs	0
Pa first	-1	Pa last	-1	P.A. Now (θ)	-1
Sep first	0.1	Sep last	0.115	Sep. Now (ρ)	0.115"
Mag pri	9.20	Mag sec	9.50	delta mag (ΔM)	0.3	Spectral class	F5V (yellow-white)
Pri motion ra	-023	Sec motion ra
Pri motion dec	+004	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 170636	Constellation	Sagittarius	SAO	186917	HIP	90822
Tycho2	6861-01645-1	Gaia DR2	4076154384722077440	HD	170636	CD	CD-2513207
CP	CP-25 6547	Distance	90.58	Distance ly	295.47

WDS 18317-2541 OCC 264 (HD 170636) : 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
18317-2541	OCC 264		1972	0	-1	0.1	9.20	9.50	F5V		183140.17-254125.4

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WDS 18317-2541 OCC 264 (HD 170636) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18317-2541 OCC 264 (HD 170636) : MEASURES

No records found.

WDS 18317-2541 (HD 170636) : 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 18317-2541 (HD 170636) : ALADIN DSS IMAGE @ 18^h 31^m 40.17^s -25° 41' 25.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18317-2541 OCC 264 (HD 170636) : 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		18317-2541	OCC 264		-1	0.1
Show		18303-2533	B 394		197	0.2	20
Show		18337-2502	VVV 57		162	8.0	48
Show		18322-2630	SKF2066		282	17.5	49
Show	Kaus Borealis	18280-2525	WFC 208		184	82.5	53
Show		18289-2503	H N 125	AB	107	2.5	54
Show		18354-2607	TDT 949		91	0.7	58
Show		18356-2617	OCC9050	Ba,Bb	-1	0.0	64
Show		18356-2617	B 396	AB	218	1.7	64
Show		18290-2635	WNO 6		182	41.8	65
Show		18266-2600	J 2213		90	6.5	68
Show		18292-2640	B 391		65	0.2	68
Show		18265-2601	J 2212		302	5.3	68
Show		18273-2503	LDS 639		353	21.1	70
Show		18292-2436	B 392		208	5.2	73
Show		18350-2441	J 1746		165	3.9	76
Show		18277-2638	BU 133		230	0.6	78
Show		18368-2617	RST3187	AB	201	0.1	78
Show		18368-2617	RST3187	AC	41	12.7	78
Show		18264-2509	J 1742		233	4.6	80
Show		18307-2700	RST2059		5	1.9	80
Show		18371-2612	VVV 58		171	1.7	80
Show		18281-2645	HDS2615	AB	186	0.3	81
Show		18281-2645	ARY 126	AC	135	54.1	81
Show		18280-2651	I 1366		225	0.4	86
Show		18289-2422	LEO 38		217	3.0	88
Show		18352-2427	J 1654		78	3.5	89
Show		18383-2525	HO 436		178	4.1	91
Show		18274-2420	KPP 412		199	4.8	100
Show		18289-2716	OCC 185		-1	0.1	102
Show		18286-2717	J 2214		119	5.3	103
Show		18253-2434	RST4010		116	0.7	110
Show		18362-2409	J 2219		313	4.6	112
Show		18399-2531	ARG 32	AB	220	7.0	112
Show		18399-2531	ARG 32	AC	285	53.2	112
Show		18399-2531	ARG 32	AD	217	80.2	112
Show		18399-2531	OCC9182	Aa,Ab	-1	0.8	112
Show		18294-2353	B 393		135	1.7	113
Show		18236-2610	HO 566		143	0.5	114
Show		18311-2738	J 1632		165	5.3	118
Show		18275-2725	FIN 267		343	4.9	118
Show		18346-2734	I 1026	AB	41	9.0	120
Show		18346-2734	I 1026	A,CD	145	36.1	120
Show		18346-2734	TOK 422	Aa,Ab	102	0.1	120
Show		18346-2734	I 1027	CD	69	1.9	120
Show		18229-2524	B 389		223	0.3	120
Show		18259-2713	RST2050		77	2.0	121
Show		18281-2349	ARA2231		250	12.0	122
Show		18363-2355	ARA2237		133	9.7	124
Show		18365-2355	ARA2319		3	11.4	125
Show		18365-2353	ARA2239		249	8.8	127

WDS 18317-2541 : COMPONENTS

	A
B	pa=0.0° sep=0.00"

18317-2541 A

Componente originario normalizzato	AB	Name	HD 170636	Coord arcsec 2000	183140.17-254125.4	Mag	9.2
Spectral class	F5V (yellow-white)	PmRA	-23.00	PmDE	4.0	SAO	186917
HIP	90822	Tycho2	6861-01645-1	HD	170636	CD	CD-2513207
CP	CP-25 6547

Tycho2

Tycho2	6861-01645-1	Pflag		RAmdeg	277.91732795	DEmdeg	-25.69038383
PmRA	-24.2	PmDE	-0.3	E RAmdeg	9	E DEmdeg	11
E pmRA	1.4	E pmDE	1.4	EpRAm	1990.01	EpDEm	1989.34
Num	11	Q RAmdeg	1.1	Q DEmdeg	1.3	Q pmRA	1.1
Q pmDE	1.2	BTmag	9.122	E BTmag	0.021	VTmag	8.618
E VTmag	0.018	Prox	999	TYC	T	HIP	90822
CCDM		RAdeg	277.91739000	DEdeg	-25.69038361	EpRA 1990	1.76
EpDE 1990	1.70	E RAdeg	9.6	E DEdeg	11.7	Posflg
Corr	0.0

SAO

SAO	186917	DelFlag		RA1950		PmRA1950	-0.0018
DE1950		PmDE1950	0.024	Vmag	8.6	SpType	F8
Double code		Source	25	CatNum	12837	DM	CD-2513207
DMcomp		BDsup		HD	170636	M HD	0
GC		RA1950rad	4.83707505	DE1950rad	-0.4490153	PmRA2000	-0.0019
PmDE2000	0.024

Hipparcos

Catalog	H	HIP	90822	Proxy		RAhms	18 31 40.17
DEdms	-25 41 25.4	Vmag	8.55	VarFlag		R Vmag	H
RAdeg	277.917	DEdeg	-25.6904	AstroRef		Plx	11.37
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	170636	BD
CD	CD-2513207	CP	CP-25 6547	Dm number	-2513207	VIred	0.58
SpType	F5V	R SpType		Coord arcsec 2000	183140.17-254125.4

Hipparcos 2

HIP	90822	Sn	5	So	0	Nc	1
RArad	4.8505735816	DErad	-0.4483817852	Plx	11.04	PmRA	-22.17
PmDE	1.93	E RArad	1.01	E DErad	0.71	E Plx	1.09
E pmRA	1.4	E pmDE	0.89	Hpmag	8.6524	E Hpmag	0.0033
SHp	0.017	VA	0	BV	0.463	E BV	0.025
VI	0.53

18317-2541 B

Componente originario normalizzato	AB		Coord arcsec 2000	183140.17-254125.4		Mag	9.5		Calc delta mag	0.3
Calc coord	yes