21206+4219 WSI 16

21^h 20^m 32.79^s +42° 19' 00.4" P.A. 149.00 sep 8.2 mag 9.70,9.90

Coord 2000	21206+4219	Discov num	WSI 16	Comp		Coord arcsec 2000	21 20 32.79 +42 19 00.4
Date first	1895	Date last	2020	Obs	16
Pa first	150	Pa last	148.7	P.A. Now (θ)	148.7°
Sep first	8.6	Sep last	8.22	Sep. Now (ρ)	8.22"
Mag pri	9.70	Mag sec	9.90	delta mag (ΔM)	0.2	Spectral class
Pri motion ra	-008	Sec motion ra	-006
Pri motion dec	-002	Sec motion dec	-002
Notes

rPM=0.243 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1968898946502363008

WDS 21206+4219 WSI 16 : 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
21206+4219	WSI 16		2003	6	149	8.1	9.70	9.90		D	212032.98+421857.2
21206+4219	WSI 16		2013	8	149	8.2	9.70	9.90			212032.98+421857.2
21206+4219	WSI 16		2017	10	150	8.2	9.70	9.90			212032.79+421900.4
21206+4219	WSI 16		2020	15	149	8.2	9.70	9.90			212032.79+421900.4

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

WDS 21206+4219 WSI 16 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21206+4219 WSI 16 : MEASURES

No records found.

WDS 21206+4219 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 21206+4219 : ALADIN DSS IMAGE @ 21^h 20^m 32.79^s +42° 19' 00.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21206+4219 WSI 16 : 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		21206+4219	WSI 16		149	8.2
Show		21206+4215	LDS2511	AB	40	3.0	5
Show		21206+4215	LDS2511	AC	197	19.7	5
Show		21202+4207	ES 1584		116	5.4	13
Show		21208+4206	GRV 453		27	66.2	14
Show		21197+4228	ES 1583	AB	238	13.0	14
Show		21197+4228	ABH 144	AD	112	64.4	14
Show		21197+4228	ABH 144	AE	219	27.2	14
Show		21197+4228	ABH 144	AF	245	62.8	14
Show		21197+4228	ABH 144	AG	238	82.9	14
Show		21197+4228	ABH 144	AH	22	41.7	14
Show		21197+4228	ABH 144	AI	117	69.6	14
Show		21197+4228	ABH 144	AJ	112	81.2	14
Show		21197+4228	ABH 144	AK	98	101.4	14
Show		21197+4228	ES 1583	AC	223	7.6	14
Show		21197+4228	ES 1583	BC	77	6.0	14
Show		21213+4235	LDS2513		246	7.1	19
Show		21207+4251	GRV 452		162	59.2	34
Show		21183+4244	HJ 1634		143	28.9	36
Show		21195+4253	FOX 259	AB	307	12.5	36
Show		21171+4206	TDT2883		112	0.9	41
Show		21214+4301	ES 1585	BC	202	8.4	43
Show		21214+4301	ES 1585	AB	230	19.2	44
Show		21214+4301	ES 1585	AC	221	26.9	44
Show		21235+4147	TDT2939		174	0.4	47
Show		21183+4140	COU2302	AB	63	1.3	47
Show		21183+4140	GII 30	AB,C	187	14.1	47
Show		21199+4307	COU2439		266	0.8	49
Show		21232+4258	COU2304	AB	154	0.4	49
Show		21232+4258	GII 32	AB,C	49	5.4	49
Show		21161+4224	ES 1582		134	3.5	50
Show		21218+4309	STT 438		357	2.2	52
Show		21200+4308	LDS2509		176	1.9	52
Show		21209+4127	HO 156		50	2.2	53
Show		21178+4302	A 616		316	2.7	53
Show		21169+4140	POP 186	CD	93	4.2	56
Show		21169+4140	POP 186	AB	297	10.7	56
Show		21169+4140	POP 186	AC	130	60.7	56
Show		21155+4205	TDT2861		287	2.4	58
Show		21155+4202	HJL1106		183	459.8	60
Show		21151+4227	COU2228		28	0.5	61
Show		21192+4320	TDT2899		136	0.6	63
Show		21261+4203	COU2307		21	1.2	65
Show		21171+4312	A 401		318	0.4	66
Show		21202+4325	BRT1148		83	4.1	67
Show		21144+4219	ES 1581		50	4.6	69
Show		21163+4129	ES 1688		147	5.3	69
Show		21256+4138	A 618		276	0.6	70
Show		21157+4135	POP 170		75	1.4	70
Show		21268+4228	A 619		61	0.7	71
Show		21260+4144	BLL 54		296	80.7	71

WDS 21206+4219 : COMPONENTS

	A
B	pa=155.8° sep=7.70"

21206+4219 A

Componente originario normalizzato	AB		Coord arcsec 2000	212032.79+421900.4		Mag	9.7		PmRA	-8.00
PmDE	-2.0

21206+4219 B

Componente originario normalizzato	AB		Coord arcsec 2000	212033.07+421853.4		Mag	9.9		PmRA	-6.00
PmDE	-2.0		Calc delta mag	0.2		Calc coord	yes