16571-1932 OCC 940 Ba,Bb

16^h 57^m 03.99^s -19° 32' 23.4" P.A. -1.00 sep 0.0 mag 7.70,8.30 Sp B7/8III dist. 177.62 pc (579.4 l.y.)

Coord 2000	16571-1932	Discov num	OCC 940	Comp	Ba,Bb	Coord arcsec 2000	16 57 03.99 -19 32 23.4
Date first	1995	Date last	1995	Obs	0
Pa first	-1	Pa last	-1	P.A. Now (θ)	-1
Sep first	0.0	Sep last	0.017	Sep. Now (ρ)	0.017"
Mag pri	7.70	Mag sec	8.30	delta mag (ΔM)	0.6	Spectral class	B7/8III (blue-white)
Pri motion ra	+035	Sec motion ra
Pri motion dec	-011	Sec motion dec
Notes

Nature of this double is uncertain.

16571-1932 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 152909	160180	16 57 04 -19 32 24	SHJ 240 AB	2019	66	233	4.4	6.59	7.59	1.00
Show		160180	16 57 04 -19 32 23	OCC 940 Ba,Bb	1995	0	-1	0.0	7.70	8.30	0.60		<===

Triple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Ophiuchus	SAO	160180	HIP	82951	Tycho2	6227-02897-1
Gaia DR2	4129004816188519424	HD	152909	HR	6294	GC	22835
ADS	10266	BD	BD-19 4471	Distance	177.62	Distance ly	579.4

WDS 16571-1932 OCC 940 Ba,Bb : 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
SHJ1824	Ma -	South, J. & Herschel, J.	1824RSPT..114R...1H
SHJ1824		Phil. Trans. R. Soc. 114, 1, 1824
SHJ1844A	Ma -	South, J. & Herschel, J.	1844QB43.S66.......
SHJ1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
SHJ1852A	Ma -	South, J. & Herschel, J.	.
SHJ1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
SHJ1880A	Ma -	South, J. & Harschel, J.	1880MNRAS..40..497B
SHJ1880A		cited by Burnham (MNRAS 40, 497, 1880)
SHJ1906A	Ma -	South, J. & Herschel, J.	1906MmRAS..56....1L
SHJ1906A		cited by Lewis (MemRAS 56, 1, 1906)
SHJ1906B	Ma -	South, J. & Herschel, J.	1906QB821.B972.....
SHJ1906B		cited in BDS (Burnham Double Star Cat.), 1906
SHJ1913A	Ma -	South, J. & Herschel, J.	1913QB811.B8.......
SHJ1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
SHJ1932A	-	South, J. & Herschel, J.	1932QB821.A43......
SHJ1932A		cited in ADS (Aitken Double Star Cat.), 1932
SHJ9999	Ma -	South, J. & Herschel, J.	...................
SHJ9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16571-1932	OCC 940	Ba,Bb	1995	0	-1	0.0	7.70	8.30	B7/8III		165703.99-193223.4

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

WDS 16571-1932 OCC 940 Ba,Bb : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16571-1932 OCC 940 Ba,Bb : MEASURES

No records found.

WDS 16571-1932 : 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 16571-1932 : ALADIN DSS IMAGE @ 16^h 57^m 03.99^s -19° 32' 23.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16571-1932 OCC 940 Ba,Bb : 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		16571-1932	OCC 940	Ba,Bb	-1	0.0
Show		16571-1932	SHJ 240	AB	233	4.4	1
Show		16561-1928	KPP4018		166	2.7	15
Show		16564-1904	GWP2680		53	20.7	30
Show		16593-1926	HDS2403		264	0.4	32
Show		16539-1919	B 1838		256	0.7	47
Show		16539-1854	DON 815	AB	221	2.7	59
Show		16539-1854	DON 815	AC	320	9.3	59
Show		17003-1854	DVG 45		233	119.9	61
Show		16525-1921	TDT 125		137	0.6	66
Show		16523-1921	GWP2675		37	83.9	68
Show		16534-2025	WSI 86		180	0.4	74
Show		16585-2047	JKS 14		125	12.9	78
Show		17019-1853	OCC 40		-1	0.1	79
Show		17012-2026	HJ 4911	AB	176	96.1	80
Show		17012-2026	HJ 4911	AC	13	11.2	80
Show		16577-1811	ARA 434		153	11.8	82
Show		16509-1950	B 1830	BC	303	0.1	89
Show		16509-1950	B 1830	AB	59	0.4	89
Show		17031-1904	BRT1501		167	3.6	90
Show		17002-1813	RST3059		252	5.6	92
Show		16586-1803	OL 99		128	3.0	93
Show		17036-1928	HU 1174		76	3.7	93
Show		16545-2100	ARA1120		2	6.3	94
Show		16505-2001	UC 3240		197	45.9	97
Show		16521-1820	DON 814		84	0.9	100
Show		17039-1956	RST3065		341	3.4	100
Show		16523-1814	UC 3246		25	109.6	104
Show		17038-2023	HWE 38		180	5.9	108
Show		16582-2121	ARA1496		173	12.3	111
Show		17040-2028	OCC 43		-1	0.1	113
Show		16490-1936	HJ 4888	AB	223	13.5	114
Show		17007-2121	OCC9163		-1	0.1	121
Show		16555-2134	BU 241		31	0.3	124
Show		17004-1737	ARA 244		322	7.2	125
Show		16519-2120	RSS 419		164	18.1	130
Show		16475-1945	LDS 571		25	196.6	135
Show		17054-1822	RST3068		193	1.0	139
Show		17071-1905	HU 1175		212	2.1	145
Show		16470-2006	OCC 453		-1	0.1	147
Show		17006-1714	OCC1029		61	0.1	148
Show		16531-1716	KPP1964		118	15.5	148
Show		17071-2015	ARA1121		216	8.2	148
Show		17040-1742	RST3066		103	0.5	149
Show		17056-1807	ARA 245		32	6.7	149
Show		16573-1702	UC 3260		302	24.7	151
Show		17014-1715	RST3061		211	0.3	151
Show		17077-1912	ARG 78		181	0.7	153
Show		16547-2203	BU 123		197	1.4	154
Show		16467-1847	UC 3230		314	11.4	155
Show		17080-1929	NSN 139		339	2.5	155

WDS 16571-1932 : COMPONENTS

	A	B
B	pa=305.3° sep=0.17"
Bb	pa=305.3° sep=0.17"	pa=0.0° sep=0.00"

16571-1932 A

Name	HD 152909		Coord arcsec 2000	165704.00-193223.5		Mag	6.59		Spectral class	B6V (blue-white)
PmRA	-19.00		PmDE	-7.0		Tycho2	6227-02897-2

Tycho2

Tycho2	6227-02897-2	Pflag		RAmdeg	254.26664723	DEmdeg	-19.53984733
PmRA	5.5	PmDE	-2.4	E RAmdeg	4	E DEmdeg	5
E pmRA	2.9	E pmDE	3.2	EpRAm	1991.70	EpDEm	1991.61
Num	3	Q RAmdeg	0.5	Q DEmdeg	0.6	Q pmRA	0.4
Q pmDE	0.5	BTmag	6.626	E BTmag	0.015	VTmag	6.588
E VTmag	0.010	Prox	47	TYC		HIP	82951
CCDM	A	RAdeg	254.26663361	DEdeg	-19.53984167	EpRA 1990	1.73
EpDE 1990	1.64	E RAdeg	4.4	E DEdeg	4.7	Posflg
Corr	0.6

16571-1932 B

Coord arcsec 2000	165703.99-193223.4	Coord calc	165703.77-193226.1	Mag	7.7	Mag composta	7.59
Spectral class	B7/8III (blue-white)	PmRA	35.00	PmDE	-11.0	SAO	160180
HIP	82951	Tycho2	6227-02897-1	HD	152909	HR	6294
GC	22835	BD	BD-19 4471	Calc delta mag	1.11

Tycho2

Tycho2	6227-02897-1	Pflag	X	RAmdeg		DEmdeg
PmRA		PmDE		E RAmdeg		E DEmdeg
E pmRA		E pmDE		EpRAm		EpDEm
Num		Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	7.697	E BTmag	0.016	VTmag	7.588
E VTmag	0.013	Prox	47	TYC	T	HIP	82951
CCDM	B	RAdeg	254.26553333	DEdeg	-19.54063417	EpRA 1990	1.69
EpDE 1990	1.64	E RAdeg	5.8	E DEdeg	6.0	Posflg
Corr	0.5

SAO

SAO	160180	DelFlag		RA1950		PmRA1950	-0.0008
DE1950		PmDE1950	-0.018	Vmag	6.1	SpType	B8
Double code		Source	70	CatNum	22835	DM	BD-19 4471
DMcomp	A	BDsup		HD	152909	M HD	0
GC	22835	RA1950rad	4.42495419	DE1950rad	-0.33968408	PmRA2000	-0.0007
PmDE2000	-0.015

Hipparcos

Catalog	H	HIP	82951	Proxy	H	RAhms	16 57 03.99
DEdms	-19 32 23.4	Vmag	6.27	VarFlag		R Vmag	G
RAdeg	254.267	DEdeg	-19.5398	AstroRef	A	Plx	4.78
CCDM	16571-1933	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	232	Rho	4.604	HD	152909	BD	BD-19 4471
CD		CP		Dm number	-19 4471	VIred	0.1
SpType	B7/8III	R SpType		Coord arcsec 2000	165703.99-193223.4

Hipparcos 2

HIP	82951	Sn	15	So	3	Nc	2
RArad	4.437789901	DErad	-0.3410345169	Plx	5.63	PmRA	-11.54
PmDE	-15.69	E RArad	1.23	E DErad	0.81	E Plx	1.33
E pmRA	1.28	E pmDE	1	Hpmag	6.3092	E Hpmag	0.0037
SHp	0.045	VA	0	BV	0.084	E BV	0.032
VI	0.1

16571-1932 Bb

Coord arcsec 2000	165703.99-193223.4		Mag	8.3		BD	BD-19 4471		Calc delta mag	1.71
Calc coord	yes