23487+5251 WSI 18 BC

23^h 48^m 42.31^s +52° 51' 12.5" P.A. 59.00 sep 2.8 mag 12.08,12.10

Coord 2000	23487+5251	Discov num	WSI 18	Comp	BC	Coord arcsec 2000	23 48 42.31 +52 51 12.5
Date first	2001	Date last	2015	Obs	6
Pa first	59	Pa last	59.3	P.A. Now (θ)	59.3°
Sep first	2.8	Sep last	2.8	Sep. Now (ρ)	2.8"
Mag pri	12.08	Mag sec	12.10	delta mag (ΔM)	0.02	Spectral class
Pri motion ra	-012	Sec motion ra
Pri motion dec	-006	Sec motion dec
Notes

Nature of this double is uncertain.

23487+5251 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			23 48 41 +52 51 09	TDT 4209 AB	2015	11	67	9.9	11.91	12.08	0.17
Show			23 48 41 +52 51 09	WSI 18 AC	2015	6	65	12.4	11.91	12.10	0.19
Show			23 48 42 +52 51 12	WSI 18 BC	2015	6	59	2.8	12.08	12.10	0.02		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cassiopeia

Tycho2

4001-00400-1

Gaia DR2

1945359497753497600

WDS 23487+5251 WSI 18 BC : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
WSI		(Washington Speckle Interferometer)
WSI1997	Su j	Douglass, G.G., Hindsley, R.B., & Worley, C.E.	1997ApJS..111..289D
WSI1997	+Ma	ApJS 111, 289, 1997
WSI1999a	Su j	Germain, M.E., Douglass, G.G., & Worley, C.E.	1999AJ....117.1905G
WSI1999a		AJ 117, 1905, 1999
WSI1999b	Su j	Germain, M.E., Douglass, G.G., & Worley, C.E.	1999AJ....117.2511G
WSI1999b		AJ 117, 2511, 1999
WSI1999c	Su j	Douglass, G.G., Mason, B.D., Germain, M.E., & Worley, C.E.	1999AJ....118.1395D
WSI1999c		AJ 118, 1395, 1999
WSI2000a	Su j	Douglass, G.G., Mason, B.D., Rafferty, T.J., Holdenried, E.R., & Germain, M.E.	2000AJ....119.3071M
WSI2000a		AJ 119, 3071, 2000
WSI2000b	Su j	Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L.,	2000AJ....120.1120M
WSI2000b		Hennessy, G.S., Hall, D.M., Urban, S.E., et al.
WSI2000b		AJ 120, 1120, 2000
WSI2001a	Su j	Germain, M.E. & Douglass, G.G.	2001AJ....121.2239M
WSI2001a		AJ 121, 2239, 2001
WSI2001b	Su j	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I.,	2001AJ....122.1586M
WSI2001b		Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al.
WSI2001b		AJ 122, 1586, 2001
WSI2002	Su j	Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M.,	2002AJ....124.2254M
WSI2002		Hennessy, G.S., Platais, I., et al.
WSI2002		AJ 124, 2254, 2002
WSI2004a	Su j	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M.,	2004AJ....127..539M
WSI2004a	+orb	Hennessy, G.S., Rafferty, T.J., et al.
WSI2004a		AJ 127, 539, 2004
WSI2004b	Su j	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Rafferty, T.J., Urban, S., & Flagg, L.	2004AJ....128.3012M
WSI2004b	+orb	AJ 128, 3012, 2004
WSI2006a	Su j	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., & Rafferty, T.J.	2006AJ....131.2687M
WSI2006a		AJ 131, 2687, 2006
WSI2006b	Su j	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., & Holdenried, E.R.	2006AJ....132.2219M
WSI2006b	+orb	AJ 132, 2219, 2006
WSI2007a	Su j	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., & Wieder, G.	2007AJ....134.1671M
WSI2007a	+Cu	AJ 134, 1671, 2007
WSI2008	Cu j	Mason, B.D., Hartkopf, W.I., & Wycoff, G.L.	2008AJ....136.2223M
WSI2008		AJ 136, 2223, 2008
WSI2010	Cu j	Mason, B.D., Hartkopf, W.I., & Wycoff, G.L.	2010AJ....140..480M
WSI2010		AJ 140, 480, 2010
WSI2011	Su j	Mason, B.D., Hartkopf, W.I., & Wycoff, G.L.	2011AJ....141..157M
WSI2011		AJ 141, 157, 2011
WSI2011b	Cu j	Mason, B.D., Hartkopf, W.I., & Wycoff, G.L.	2011AJ....142...46M
WSI2011b		AJ 142, 46, 2011
WSI2012	Cu j	Mason, B.D., Hartkopf, W.I., & Friedman, E.A.	2012AJ....143..124M
WSI2012	+lin	AJ 143, 124, 2012
WSI2013	Cu j	Mason, B.D., Hartkopf, W.I., & Hurowitz, H.M.	2013AJ....146...56M
WSI2013	+orb	AJ 146, 56, 2013
WSI2013	+lin
WSI2013b	Cu j	Hartkopf, W.I., Mason, B.D., Finch, C.T., Zacharias, N., Wycoff, G.L., & Hsu, D.	2013AJ....146...76H
WSI2013b	+Su	AJ 146, 76, 2013 (speckle measures in UCAC doubles paper UC_2013b)
WSI2015	Cu j	Hartkopf, W.I. & Mason, B.D.	2015AJ....150..130H
WSI2015	+orb	AJ 150, 136, 2015
WSI2015	+lin
WSI2017a	Cu j	Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian,	2017AJ....153...20M
WSI2017a		C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D.
WSI2017a		AJ 153, 20, 2017
WSI2017b	Su j	Mason, B.D. & Hartkopf, W.I.	2017AJ....154..183M
WSI2017b	+Cu	AJ 154, 183, 2017
WSI2017b	+E+
WSI2017b	+H+
WSI2017b	+Pa
WSI2017b	+Zc
WSI2018a	Su j	Mason, B.D., Hartkopf, W.I., Urban, S.E. & Josties, J.D.	2018AJ....156..240M
WSI2018a	+Cu	AJ 156, 240, 2018
WSI2018a	+E
WSI2021	Su j	Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice,	2021AJ....162...53M
WSI2021	+Cu	M., Kilian, C.M. & Warner, R.
WSI2021		AJ 162, 53, 2021
WSI2025	Su j	Mason, B.D., et al.	...................
WSI2025		in preparation

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
23487+5251	WSI 18	BC	2003	3	60	2.8	12.08	12.10			234842.31+525112.5
23487+5251	WSI 18	BC	2015	5	59	2.8	12.08	12.10			234842.31+525112.5

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

WDS 23487+5251 WSI 18 BC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 23487+5251 WSI 18 BC : MEASURES

No records found.

WDS 23487+5251 : 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 23487+5251 : ALADIN DSS IMAGE @ 23^h 48^m 42.31^s +52° 51' 12.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 23487+5251 WSI 18 BC : 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		23487+5251	WSI 18	BC	59	2.8	1
Show		23487+5251	TDT4209	AB	67	9.9	1
Show		23487+5251	WSI 18	AC	65	12.4	1
Show		23487+5316	TDT4208		165	0.4	25
Show		23510+5238	WFC 245		50	19.4	25
Show		23501+5316	TDT4229		28	1.0	28
Show		23474+5219	TDT4193		267	2.4	35
Show		23521+5313	TDT4244		230	1.8	38
Show		23528+5259	ES 1049		222	4.3	39
Show		23533+5246	TDT4252		172	1.4	43
Show		23516+5331	TDT4240		22	2.1	48
Show		23447+5215	TDS1219		25	0.8	52
Show		23470+5157	HDS3379		253	9.9	57
Show		23510+5159	TDT4234		154	0.7	57
Show		23475+5347	TDT4194		271	0.8	58
Show		23426+5224	KPP 738		172	6.5	62
Show		23517+5155	TDT4242		119	0.8	63
Show		23431+5214	HU 697		99	0.5	63
Show		23498+5145	TDT4222		213	2.5	67
Show		23454+5149	TDT4178		142	0.5	69
Show		23420+5215	AZC 188		232	18.2	71
Show		23560+5320	TDT4280		237	0.4	72
Show		23504+5137	GUI 40	AB	165	21.2	76
Show		23504+5137	GUI 40	AC	281	58.3	76
Show		23528+5145	TDT4248		273	0.5	77
Show		23567+5326	TDT4286		313	0.9	80
Show		23517+5407	TDT4241		128	0.5	80
Show		23525+5134	ALD 121		276	10.2	81
Show		23512+5409	TDT4236		348	2.3	81
Show		23506+5412	ES 700	AB	35	14.4	83
Show		23506+5412	SHY 840	AC	77	999.9	83
Show		23515+5131	HU 699		108	1.0	85
Show		23384+5241	ES 111		14	4.3	85
Show		23535+5136	ACA 17		87	56.8	87
Show		23436+5136	TDT4162		158	0.4	89
Show		23546+5141	DAM 257		326	8.3	89
Show		23498+5420	TDT4221		148	0.6	90
Show		23544+5139	ES 1125		332	4.5	90
Show		23535+5134	ACA 18		219	72.3	90
Show		23530+5131	TDT4250		295	0.9	90
Show		23512+5123	ALD 7		207	4.6	90
Show		23442+5131	ES 1190		107	5.8	91
Show		23553+5144	ES 2735	AB	100	13.0	91
Show		23553+5144	ES 2735	AC	236	16.9	91
Show		23536+5131	STTA251	AB	208	48.1	92
Show		23536+5131	STTA251	AC	135	46.6	92
Show		23536+5131	STTA251	BD	164	14.5	92
Show		23578+5335	A 1497		232	1.9	93
Show		23577+5346	ES 1051	AB	49	6.4	94
Show		23577+5346	ES 1051	AC	186	9.8	94
Show		23442+5125	TDT4167		107	2.2	96

WDS 23487+5251 : COMPONENTS

	A	B
B	pa=67.6° sep=9.99"
C	pa=52.8° sep=8.56"	pa=299.5° sep=2.78"

23487+5251 A

Coord arcsec 2000	234841.29+525108.7		Mag	11.91		PmRA	-8.00		PmDE	-4.0
Tycho2	4001-01544-1

Tycho2

Tycho2	4001-01544-1	Pflag		RAmdeg	357.17208305	DEmdeg	52.85242584
PmRA	-10.6	PmDE	-5.0	E RAmdeg	51	E DEmdeg	47
E pmRA	2.6	E pmDE	2.4	EpRAm	1987.21	EpDEm	1987.31
Num	3	Q RAmdeg	0.3	Q DEmdeg	0.1	Q pmRA	0.3
Q pmDE	0.1	BTmag	11.819	E BTmag	0.064	VTmag	11.912
E VTmag	0.130	Prox	100	TYC		HIP
CCDM		RAdeg	357.17212389	DEdeg	52.85243750	EpRA 1990	1.64
EpDE 1990	1.73	E RAdeg	51.8	E DEdeg	48.1	Posflg
Corr	0.2

23487+5251 B

Coord arcsec 2000	234842.31+525112.5		Coord calc	234842.31+525112.5		Mag	12.08		PmRA	-12.00
PmDE	-6.0		Tycho2	4001-00400-1		Calc delta mag	0.17

Tycho2

Tycho2	4001-00400-1	Pflag		RAmdeg	357.17631005	DEmdeg	52.85349171
PmRA	-10.8	PmDE	-5.7	E RAmdeg	76	E DEmdeg	69
E pmRA	3.3	E pmDE	3.0	EpRAm	1985.22	EpDEm	1985.02
Num	3	Q RAmdeg	0.4	Q DEmdeg	0.3	Q pmRA	0.4
Q pmDE	0.3	BTmag	12.914	E BTmag	0.203	VTmag	12.085
E VTmag	0.140	Prox	100	TYC		HIP
CCDM		RAdeg	357.17635167	DEdeg	52.85350472	EpRA 1990	1.64
EpDE 1990	1.74	E RAdeg	78.8	E DEdeg	72.2	Posflg
Corr	0.2

23487+5251 C

Coord arcsec 2000

234842.04+525113.9

Mag

12.1

Calc delta mag

0.19

Calc coord

yes