18549-2357 OCC 1044 Aa,Ac

Coord 2000	18549-2357		Discov num	OCC1044		Comp	Aa,Ac		Coord arcsec 2000	18 54 53.19 -23 57 03.5
Date first	2009		Date last	2009		Obs	0
Pa first	-1		Pa last	-1		P.A. Now (θ)	-1
Sep first	0.0		Sep last	0.013		Sep. Now (ρ)	0.013"
Mag pri	7.90		Mag sec	12.20		delta mag (ΔM)	4.3		Spectral class
Pri motion ra	-002		Sec motion ra
Pri motion dec	-009		Sec motion dec
Notes	K (K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 54 53 -23 57 04	RCH 7 AB	2016	2	20	1.6	7.89	11.07	3.18
Show			18 54 53 -23 57 04	OCC 1044 Aa,Ab	2009	0	-1	0.0	7.90	11.70	3.80
Show			18 54 53 -23 57 04	OCC 1044 Aa,Ac	2009	0	-1	0.0	7.90	12.20	4.30		<===

Quadruple system
2 estimated visually detectable stars in this system

Constellation

Sagittarius

Gaia DR2

4075291508516892032

No records found.

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
Rch1994a	O j	Richichi, A., Calamai, G. & Leinert, Ch.	1994A&A...286..829R
Rch1994a		A&A 286, 829, 1994
Rch1994b	O j	Richichi, A., Leinert, Ch., Jameson, R. & Zinnecker, H.	1994A&A...287..145R
Rch1994b		A&A 287, 145, 1994
Rch1996	O j	Richichi, A., Calamai, G., Leinert, Ch., Stecklum, B. & Trunkovsky, E.	1996A&A...309..163R
Rch1996		A&A 309, 163, 1996
Rch1997	O j	Richichi, A., Calamai, G., Leinert, Ch. & Stecklum, B.	1997A&A...322..202R
Rch1997		A&A 322, 202, 1997
Rch1999a	Si j	Richichi, A., Koehler, R., Woitas, J., & Leinert, Ch.	1999A&A...346..501R
Rch1999a	+O	A&A 346, 501, 1999
Rch1999b	O j	Richichi, A., Ragland, S., Calamai, G., Baffa, C., Stecklum, B., & Richter, S.	1999A&A...350..491R
Rch1999b		A&A 350, 491, 1999
Rch2000a	O j	Richichi, A., Ragland, S., Calamai, G., Richter, S., & Stecklum, B.	2000A&A...361..594R
Rch2000a		A&A 361, 594, 2000
Rch2000b	O j	Richichi, A.	2000A&A...364..225R
Rch2000b		A&A 364, 225, 2000
Rch2000c	O -	Richichi, A. & Leinert, C.	2000IAUS..200P..83R
Rch2000c		IAU Symp. 200, 83, 2000
Rch2002	O j	Richichi, A., Calamai, G., & Stecklum, B.	2002A&A...382..178R
Rch2002		A&A 382, 178, 2002
Rch2008a	O -	Richichi, A., Fors, O., Mason, E., Stegmeier, J., & Chandrasekhar, T.	2008A&A...489.1399R
Rch2008a		A&A 489, 1399, 2008
Rch2008b	O -	Richichi, A., Fors, O., & Mason, E.	2008A&A...489.1441R
Rch2008b		A&A 489, 1441, 2008
Rch2010	O j	Richichi, A., Fors, O., Chen, W.-P., & Mason, E.	2010A&A...522A..65R
Rch2010		A&A 522, A65, 2010
Rch2011	O j	Richichi, A., Chen, W.P., Fors, O., & Wang, P.F.	2011A&A...532A.101R
Rch2011		A&A 532, A101, 2011
Rch2012	O j	Richichi, A., Chen, W.-P., Cusano, F., Fors, O., Moerchen, M., & Komonjinda, S.	2012A&A...541A..96R
Rch2012		A&A 541, A96, 2012
Rch2012b	O j	Richichi, A., Fors, O., Cusano, F., & Moerchen, M.	2012ApJS..203...33R
Rch2012b		ApJS 203, 33, 2012
Rch2013	O j	Richichi, A., Fors, O., Cusano, F., & Moerchen, M.	2013AJ....146...59R
Rch2013		AJ 146, 59, 2013
Rch2014	O j	Richichi, A., Fors, O., Cusano, F., & Ivanov, V.D.	2014AJ....147...57R
Rch2014		AJ 147, 57, 2014
Rch2014b	O j	Richichi, A., Irawati, P., Soonthornthum, B., Dhillon, V.S., & Marsh, T.R.	2014AJ....148..100R
Rch2014b		AJ 148, 100, 2014
Rch2016	O j	Richichi, A., Tasuya, O., Irawati, P., Soonthornthum, B., Dhillon, V.S., &	2016AJ....151...10R
Rch2016		Marsh, T.R.
Rch2016		AJ 151, 10, 2016
Rch2017	O j	Richichi, A., Tasuya, O., Irawati, P., & Yadav, R.K.	2017AJ....154..215R
Rch2017		AJ 154, 215, 2017
Rch2020	O j	Richichi, A., Sharma, S., Sinha, T., Pandey, R., Ghosh, A., Ojha, D.K. &	2020MNRAS.498.2263R
Rch2020		Pandey, A.K.
Rch2020		MNRAS 498, 2263, 2020

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18549-2357	OCC1044	Aa,Ac	2009	0	-1	0.0	7.90	12.20		K	185453.19-235703.5

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No records found.


No records found.

Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation.

Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

FoV: 30" 1' 5' 15' 30' 1° 2° 4° 5° 8° Limit: 2 3 4 5 10 15 20 25 30 50 100 Primaries only
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 18549-2357 RCH 7 AB 20 1.6 Show 18549-2357 OCC1044 Aa,Ab -1 0.0 Show 18549-2357 OCC1044 Aa,Ac -1 0.0 Show 18554-2349 OCC1046 -1 0.0 11 Show 18553-2341 B 412 278 1.9 17 Show 18554-2413 OCC1045 -1 0.0 18 Show 18555-2413 OCC1047 -1 0.0 18 Show 18565-2336 ARA2248 332 13.0 31 Show 18569-2345 OCC1048 -1 0.0 31 Show 18572-2352 CPO 603 161 9.9 32 Show 18570-2327 ARA2249 221 9.4 42 Show 18534-2435 OCC 54 -1 0.1 44 Show 18580-2337 LEO 22 AB 280 2.8 48 Show 18580-2337 OCC1049 Aa,Ab -1 0.0 48 Show 18581-2436 RST3207 303 2.7 59 Show 18541-2259 ALD 71 158 2.1 60 Show 18562-2258 ARA2247 314 14.9 62 Show 18510-2431 J 1751 281 13.7 64 Show 18542-2254 TDT1120 27 0.4 64 Show 18521-2452 WFC 214 262 9.3 67 Show 18560-2503 B 413 247 6.2 68 Show 18583-2306 ARA2251 235 10.2 70 Show 18498-2350 TNN 13 AB 311 6.2 70 Show 18498-2350 TNN 13 AC 234 8.3 70 Show Ainalrami 18542-2245 BU 1033 AB 99 2.5 74 Show Ainalrami 18542-2245 HJ 5072 AC 58 28.0 74 Show 19003-2350 OCC1051 -1 0.0 75 Show 19002-2340 OCC1050 -1 0.0 76 Show 18556-2241 ARA1904 81 12.4 77 Show 18555-2239 ARA1903 235 8.2 78 Show 18512-2500 B 410 190 0.8 81 Show 18536-2235 ARA1902 324 11.2 84 Show 18593-2253 SHN 237 -1 0.1 89 Show 18597-2257 DON 937 149 1.3 91 Show 19016-2408 CBL 175 84 31.2 93 Show 19012-2323 OCC1053 -1 0.0 94 Show 19010-2439 COO 230 195 8.5 94 Show 18516-2235 SHN 236 -1 0.0 95 Show 19012-2318 OCC1052 -1 0.0 95 Show 18579-2524 B 2871 AB 296 14.7 97 Show 18579-2524 SIN 112 AC 94 54.3 97 Show 19019-2340 ARA2252 AB 92 10.7 98 Show 19019-2340 DAM 132 AC 258 4.3 98 Show 18509-2235 DON 927 AB 68 3.3 99 Show 18509-2235 DON 927 AC 8 9.1 99 Show 18524-2225 DON 930 272 0.7 99 Show 18536-2536 RST3202 50 0.2 101 Show 18544-2543 RST3204 225 2.7 106 Show 18474-2430 BRT3076 94 3.5 108 Show 18471-2331 LDS4798 241 5.7 112 Show 19026-2309 DON 940 334 2.2 118

	A	Ab	Ac
Ab	pa=0.0° sep=0.00"
Ac	pa=0.0° sep=0.00"	pa=0.0° sep=0.00"
B	pa=18.0° sep=1.58"	pa=18.0° sep=1.58"	pa=18.0° sep=1.58"

Coord arcsec 2000

185453.19-235703.5

Mag

7.89

PmRA

-3.00

PmDE

-4.0

Coord arcsec 2000

185453.19-235703.5

Mag

11.7

Calc delta mag

3.8

Calc coord

yes

Coord arcsec 2000

185453.19-235703.5

Mag

12.2

Calc delta mag

4.3

Calc coord

yes

Coord arcsec 2000	185453.23-235702.0		Mag	11.07		Tycho2	6860-01491-1		Calc delta mag	3.17
Calc coord	yes

Tycho2	6860-01491-1		Pflag			RAmdeg	283.72166637		DEmdeg	-23.95104414
PmRA	-1.6		PmDE	-9.0		E RAmdeg	60		E DEmdeg	70
E pmRA	2.3		E pmDE	2.3		EpRAm	1981.90		EpDEm	1977.04
Num	5		Q RAmdeg	1.4		Q DEmdeg	1.4		Q pmRA	1.4
Q pmDE	1.4		BTmag	12.545		E BTmag	0.238		VTmag	11.149
E VTmag	0.092		Prox	999		TYC	T		HIP
CCDM			RAdeg	283.72167167		DEdeg	-23.95102167		EpRA 1990	1.85
EpDE 1990	1.76		E RAdeg	63.5		E DEdeg	78.4		Posflg
Corr	-0.1