20332+4120 MZA 28 AD

20^h 33^m 14.10^s +41° 20' 21.9" P.A. 80.00 sep 20.4 mag 10.50,16.20 Sp OB

Coord 2000	20332+4120	Discov num	MZA 28	Comp	AD	Coord arcsec 2000	20 33 14.10 +41 20 21.9
Date first	1998	Date last	2015	Obs	6
Pa first	80	Pa last	79.5	P.A. Now (θ)	79.5°
Sep first	20.4	Sep last	20.409	Sep. Now (ρ)	20.409"
Mag pri	10.50	Mag sec	16.20	delta mag (ΔM)	5.7	Spectral class	OB (blue)
Pri motion ra	-001	Sec motion ra	+088
Pri motion dec	-004	Sec motion dec	-006
Notes

rPM=1.009

This double is not physical.

20332+4120 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 33 14 +41 20 22	MZA 28 AB	2015	9	105	18.6	10.50	12.60	2.10
Show			20 33 14 +41 20 22	MZA 28 AC	2015	3	107	15.7	10.50	16.30	5.80
Show			20 33 14 +41 20 22	MZA 28 AD	2015	6	80	20.4	10.50	16.20	5.70		<===
Show			20 33 14 +41 20 22	MZA 28 AE	2015	3	104	25.0	10.50	18.70	8.20
Show			20 33 14 +41 20 22	CAN 51 AF	2005	1	0	14.7	6.80	14.80	8.00

Sextuple system
6 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3161-01335-1

Gaia DR2

2067785070923663104

WDS 20332+4120 MZA 28 AD : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
CaN2014	Hf j	Caballero-Nieves, S.M., Nelan, E.P., Gies, D.R., Wallace, D.J., DeGioia-Eastwood,	2014AJ....147...40C
CaN2014		K., Herrero, A., Jao, W.-J., Mason, B.D., Massey, P., Moffat, A.F., & Walborn, N.
CaN2014		AJ 147, 40, 2014
CaN2020	A j	Caballero-Nieves, S.M., Gies, D.R., Baines, E.K., Bouchez, A.H., Dekany, R.G.,	2020AJ....160..115C
CaN2020		Goodwin, S.P., Rickman, E.L., Roberts, L.C., Jr., Taggart, K., ten Brummelaar,
CaN2020		T.A. & Turner, N.H.
CaN2020		AJ 160, 115, 2020
MzA2007	Hp j	Maiz-Apellaniz, J., Walborn, N.R., Morrell, N.I., Niemela, V.S., & Nelan, E.P.	2007ApJ...660.1480M
MzA2007	+Ha	ApJ 660, 1480, 2007
MzA2010	Cl j	Maiz-Apellaniz, J.	2010A&A...518A...1M
MzA2010	+Ha	A&A 518, A1, 2010
MzA2015	Cl -	Maiz-Apellaniz, J., Negueruela, I., Barba, R.H., Walborn, N.R., Pellerin, A.,	2015A&A...579A.108M
MzA2015	+E2	Simon-Diaz, S., Sota, A., Marco, A., Alonso-Santiago, J., Sanchez-Bermudez, J.,
MzA2015		Gamen, R.C., & Lorenzo, J.
MzA2015		A&A 579, A108, 2015
MzA2016	-	Maiz-Apellaniz, J., Sota, A., Arias, J.I., Barba, R.H., Walborn, N.R., Simon-Diaz,	2016ApJS..224....4M
MzA2016		S., Negueruela, I., Marco, A., Leao, J.R., Herrero, A., Gamen, R.C. & Alfaro, E.J.
MzA2016		ApJS 224, 4, 2016
MzA2016		No measures, just spectral types added to WDS summary line
MzA2018	not -	Maiz-Apellaniz, J., Barba, R.H., Simon-Diaz, S., Sota, A., Trigueros Paez, E.,	2018A&A...615A.161M
MzA2018		Caballero, J.A. & Alfaro, E.J.
MzA2018		A&A 615, 161, 2018
MzA2018		No measures, just spectral types added to WDS summary line and notes file.
MzA2019a	S+ -	Maiz Apellaniz, J., Trigueros Paez, E., Negueruela, I., Barba, R.H., Simon-Diaz,	2019A&A...626A..20M
MzA2019a	+not	S., Lorenzo, J., Sota, A., Gamen, R.C., Farina, C., Salas, J., Caballero, J.A.,
MzA2019a		Morrell, N.I., Pellerin, A., Alfaro, E.J., Herrero, A., Arias, J.I. & Marco, A.
MzA2019a		A&A 626, 20, 2019
MzA2019a		T corrected in MzA2020a. P code added to measure.
MzA2019b	orb+-	Maiz Apellaniz, J.	2019A&A...630A.119M
MzA2019b	+not	A&A 630, 119, 2019
MzA2020a	S+ -	Maiz Apellaniz, J., Trigueros Paez, E., Negueruela, I., Barba, R.H., Simon-Diaz,	2020A&A...639C...1M
MzA2020a	+not	S., Lorenzo, J., Sota, A., Gamen, R.C., Farina, C., Salas, J., Caballero, J.A.,
MzA2020a		Morrell, N.I., Pellerin, A., Alfaro, E.J., Herrero, A., Arias, J.I. & Marco, A.
MzA2020a		A&A 639, C1, 2020
MzA2021	S+ -	Maiz Apellaniz, J., Barba, R.H., Farina, C., Sota, A., Pantaleoni Gonzalez, M.,	2021A&A...646A..11M
MzA2021	+not	Holgado, G., Negueruela, I. & Simon-Diaz, S.
MzA2021		A&A 646, A11, 2021

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20332+4120	MZA 28	AD	2007	3	79	20.4	10.50	16.20	O3Iab		203314.10+412021.9
20332+4120	MZA 28	AD	2015	5	80	20.4	10.50	16.20	OB		203314.10+412021.9

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WDS 20332+4120 MZA 28 AD : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20332+4120 MZA 28 AD : MEASURES

No records found.

WDS 20332+4120 : VIRTUAL EYEPIECE

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WDS 20332+4120 : ALADIN DSS IMAGE @

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

Error -22130
Not valid ID.

Error -22130
Not valid ID.
Error -27220
Not valid ID.