20428+4123 RAO 619

20^h 42^m 49.15^s +41° 22' 59.9" P.A. 141.00 sep 0.6 mag 13.40,14.60 Sp M3.87

Coord 2000	20428+4123	Discov num	RAO 619	Comp		Coord arcsec 2000	20 42 49.15 +41 22 59.9
Date first	2014	Date last	2014	Obs	2
Pa first	143	Pa last	141	P.A. Now (θ)	141°
Sep first	0.5	Sep last	0.57	Sep. Now (ρ)	0.57"
Mag pri	13.40	Mag sec	14.60	delta mag (ΔM)	1.2	Spectral class	M3.87 (red)
Pri motion ra	+067	Sec motion ra
Pri motion dec	-031	Sec motion dec
Notes	R (Red magnitudes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

WDS 20428+4123 RAO 619 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
RAO		Robo AO (Palomar 60" AO project or KPNO 2.1m)	......
RAO2014	Ag j	Law, N.M., Morton, T., Baranec, C., Riddle, R., Ravichandran, G., Ziegler, C.,	2014ApJ...791...35L
RAO2014		Johnson, J.A., Tendulkar, S.P., Bui, K., Burse, M.P., Das, H., Dekany, R., et al.
RAO2014		ApJ 791, 35, 2014
RAO2014		(separation/magnitude difference limits estimated from their Figure 4)
RAO2015	Ag u	Riddle, R.L., Tokovinin, A., Mason, B.D., Hartkopf, W.I., Roberts, L.C., Jr.,	2015ApJ...799....4R
RAO2015	+orb	Baranec, C., Law, N.M., Bui, K., Burse, M.P., Das, H.K., Dekany, R.G.,
RAO2015		Kulkarni, S., Punnadi, S., Ramaprakash, A.N., & Tendulkar, S.P.
RAO2015		ApJ 799, 4, 2015
RAO2015		(Note: Paper includes separation/magnitude difference limits for all stars
RAO2015		observed. These limits have been added to the Interferometric Catalog even for
RAO2015		resolved pairs, to indicate restrictions on any potential additional components.)
RAO2015b	A j	Ziegler, C., Law, N.M., Baranec, C., Riddle, R.L., & Fuchs, J.T.	2015ApJ...804...30Z
RAO2015b	+Ag	ApJ 804, 30, 2015
RAO2016	Ag j	Baranec, C., Ziegler, C., Law, N.M., Morton, T., Riddle, R.L., Atkinson, D.,	2016AJ....152...18B
RAO2016		Schonhut, J., & Crepp, J.
RAO2016		AJ 152, 18, 2016
RAO2017	Ag j	Ziegler, C., Law, N.M., Nicholas, M., Morton, T., Baranec, C., Riddle, R.L.,	2017AJ....153...66Z
RAO2017	+A	Atkinson, D., Baker, A., Roberts, S., & Ciardi, D.R.
RAO2017		AJ 153, 66, 2017
RAO2017b	Ag j	Schonhut-Stasik, J.S., Baranec, C., Huber, D., Ziegler, C., Atkinson, D., Gaidos,	2017ApJ...847...97S
RAO2017b		E., Law, N.M., Riddle, R., Hagelberg, J., van der Marel, N., & Hodapp, K.W.
RAO2017b		ApJ 847, 97, 2017
RAO2018	Ag j	Hillenbrand, L.A., Zhang, C., Riddle, R.L., Baranec, C., Ziegler, C., Law, N.M. &	2018AJ....155...51H
RAO2018		Stauffer, J.
RAO2018		AJ 155, 51, 2018
RAO2018		(Note: Precise date of observation not given. Pleiades assume mean Nov observing
RAO2018		date of 2014.86. Other targets given mean date of 2014.91.)
RAO2018b	Ag j	Ziegler, C., Law, N.M., Baranec, C., Riddle, R., Duev, D.A., Howard, W.,	2018AJ....155..161Z
RAO2018b		Jensen-Clem, R., Kulkarni, S.R., Morton, T. & Salama, M.
RAO2018b		AJ 155, 161, 2018
RAO2018c	Hg j	Ziegler, C., Law, N.M., Baranec, C., Morton, T., Riddle, R., De Lee, N., Huber, D.,	2018AJ....156..259Z
RAO2018c		Mahadevan, S. & Pepper, J.
RAO2018c		AJ 156, 259, 2018
RAO2019	Ag j	Bowler, B.P., Hinkley, S., Ziegler, C., Baranec, C., Gizis, J.E., Law, N.M., Liu,	2019ApJ...877...60B
RAO2019		M.C., Shah, V.S., Shkolnik, E.L., Riaz, B. & Riddle, R.
RAO2019		ApJ 877, 60, 2019
RAO2020a	Ag j	Schonhut-Stasik, J.S., Huber, D., Baranec, C., Lamman, C., Salama, M., Jensen-Clem,	2020ApJ...883...34S
RAO2020a		R., Duev, D.A., Riddle, R., Kulkarni, S.R. & Law, N.M.
RAO2020a		ApJ 883, 34, 2020
RAO2020b	Ag+ j	Lamman, C., Baranec, C., Berta-Thompson, Z.K., Law, N.M., Schonhut-Stasik, J.,	2020AJ....159..139L
RAO2020b	+A	Ziegler, C., Salama, M., Jensen-Clem, R., Duev, D.A., Riddle, R., Kulkarni, S.R.,
RAO2020b		Winters, J.G. & Irwin, J.M.
RAO2020b		AJ 159, 139, 2020
RAO2020c	Ag j	Laos, S., Stassun, K.G. & Mathieu, R.D.	2020ApJ...902..107L
RAO2020c		ApJ 902, 107, 2020
RAO2021	Ag j	Salama, M., Ou, J., Barance, C., Liu, M.C., Bowler, B.P., Barnes, P., Bonnet, M.,	2021AJ....162..102S
RAO2021		Chun, M., Duev, D.A., Goebel, S., Hall, D., Jacobson, S., Jensen-Clem, R., Law,
RAO2021		N.M., Lockhart, C., Riddle, R., Situ, H., Warmbier, E. & Zhang, Z.
RAO2021		AJ 162, 102, 2021
RAO2022	Ag j	Salama, M., Ziegler, C., Baranec, C., Liu, M.C., Law, N.M., Riddle, R., Henry,	2022AJ....163..200S
RAO2022		T.J., Winters, J.G., Jao, W.-C., Ou, J. & Ruiz, A.H.
RAO2022		AJ 163, 200, 2022

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20428+4123	RAO 619		2014	2	141	0.6	13.40	14.60	M3.87	R	204249.15+412259.9

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

WDS 20428+4123 RAO 619 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20428+4123 RAO 619 : MEASURES

No records found.

WDS 20428+4123 : 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 20428+4123 : ALADIN DSS IMAGE @ 20^h 42^m 49.15^s +41° 22' 59.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20428+4123 RAO 619 : NEIGHBORHOODS

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

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20428+4123	RAO 619		141	0.6
Show		20421+4125	COU2420		90	0.5	9
Show		20428+4132	ES 1571		39	7.4	9
Show		20434+4131	HJ 1571		59	7.3	12
Show		20447+4131	MLB 25		207	5.7	23
Show		20444+4103	COU2423	AB	180	0.3	27
Show		20444+4103	GRV 375	AC	197	31.4	27
Show		20413+4051	COU2419		69	0.8	36
Show		20417+4202	ES 1570		118	4.7	42
Show		20422+4041	MLB 23		41	7.6	43
Show		20442+4206	ES 1572		141	5.8	46
Show		20390+4109	TDT2451		105	0.7	46
Show		20429+4036	MLB 24		175	5.9	46
Show		20446+4041	HJ 1574		278	7.4	48
Show		20446+4040	HJ 1573		274	9.8	48
Show		20396+4202	A 399		82	0.9	53
Show		20440+4030	SLN 85		203	9.1	55
Show		20432+4026	COU2421		110	0.3	58
Show		20480+4126	ES 1681		146	2.1	58
Show		20444+4027	TDT2510		157	0.9	59
Show		20436+4024	DAM1256		106	9.6	60
Show		20396+4035	STT 410	AB	3	0.9	61
Show		20396+4035	STT 410	AB,C	70	68.6	61
Show		20396+4035	STT 410	AB,D	327	106.6	61
Show		20396+4215	GNS 11		182	3.7	64
Show		20399+4221	FMR 159		76	135.7	67
Show		20454+4023	OSO 133	AB	114	12.0	67
Show		20454+4023	OSO 133	AC	236	11.7	67
Show		20454+4023	OSO 133	AD	67	21.8	67
Show		20454+4023	OSO 133	AE	8	22.4	67
Show		20477+4204	BU 268		201	0.4	69
Show		20420+4015	A 1433		24	0.8	69
Show		20479+4204	ES 1573		39	5.0	70
Show		20426+4013	TDT2488		138	0.5	70
Show		20476+4038	CNT 9		292	9.0	71
Show		20366+4139	TDT2416		352	0.7	72
Show		20408+4231	CBL 84		160	16.0	72
Show		20425+4235	GRV 369		26	24.8	73
Show		20456+4014	TDT2519		347	1.3	76
Show		20466+4020	ES 1982		301	3.9	76
Show		20387+4024	ES 1979		303	7.6	77
Show		20485+4041	ES 1682		152	3.1	77
Show		20405+4010	TOB 196	BC	32	23.4	78
Show		20405+4010	SEI1214	AB	78	20.3	78
Show		20454+4011	TDT2518		203	0.7	78
Show		20453+4010	COU2293		201	1.1	79
Show		20472+4225	STT 414	AB	95	9.9	79
Show		20472+4225	BOT 4	AC	16	104.9	79
Show		20392+4017	ES 1980		60	8.3	79
Show		20358+4123	NML 1		16	0.1	79
Show		20382+4022	TDT2439		22	0.4	81

WDS 20428+4123 : COMPONENTS

	A
B	pa=148.7° sep=0.52"

20428+4123 A

Componente originario normalizzato	AB		Coord arcsec 2000	204249.15+412259.9		Mag	13.4		Spectral class	M3.87 (red)
PmRA	67.00		PmDE	-31.0

20428+4123 B

Componente originario normalizzato	AB		Coord arcsec 2000	204249.17+412259.5		Mag	14.6		Calc delta mag	1.2
Calc coord	yes