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Doubles in session


Current system
20313+4121
MZA 39 AB


Nearby doubles
6' : 20318+4118
CAN 4AB

7' : 20318+4117
CAN 33AB

9' : 20316+4113
ES 1679AB

10' : 20318+4128
CAN 34AB

11' : 20314+4131
CAN 31AB

11' : 20312+4132
CAN 3AB

12' : 20323+4126
CAN 36AB

12' : 20322+4127
MZA 24AB

13' : 20310+4110
CAN 19AB

13' : 20324+4118
HER 3AB

13' : 20305+4113
CAN 27AB

14' : 20301+4124
CAN 14AB

14' : 20325+4126
CAN 38AB

15' : 20312+4137
J 1196

15' : 20307+4109
CAN 16

16' : 20325+4129
CAN 39AB

16' : 20324+4130
CAN 37AB

16' : 20325+4114
MZA 40AB

16' : 20326+4125
CAN 40AB

17' : 20328+4126
CAN 41AB

17' : 20327+4114
CAN 78AB

18' : 20307+4137
CAN 28AB

18' : 20328+4124
CAN 42AB

19' : 20328+4115
CNT 8

20' : 20330+4124
CAN 43AB

20' : 20330+4118
CAN 44AB



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20313+4121 MZA 39 AB

 
 
20h 31m 18.33s +41° 21' 21.7" P.A. 215.00 sep 4.4 mag 11.80,16.30 Sp O9.5IV
 
 
Coord 2000 20313+4121 Discov num MZA  39 Comp AB Coord arcsec 2000 20 31 18.33 +41 21 21.7
Date first 2008 Date last 2018 Obs 3
Pa first 342 Pa last 214.6 P.A. Now (θ) 214.6°
Sep first 1.2 Sep last 4.367 Sep. Now (ρ) 4.367"
Mag pri 11.80 Mag sec 16.30 delta mag (ΔM) 4.5 Spectral class O9.5IV (blue)
Pri motion ra -002 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes V R (Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
20313+4121 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 31 18 +41 21 22 MZA 39 AB 2018 3 215 4.4 11.80 16.30 4.50 <===
Show 20 31 18 +41 21 22 CAN 30 AC 2008 1 185 6.6 7.70 15.30 7.60
Show 20 31 18 +41 21 22 CAN 30 AD 2008 1 101 10.7 7.70 15.00 7.30
Show 20 31 18 +41 21 22 CAN 30 AE 2008 1 116 11.1 7.70 15.10 7.40
Show 20 31 18 +41 21 22 CAN 30 AF 2008 1 234 11.4 7.70 14.70 7.00
Show 20 31 18 +41 21 22 CAN 30 AG 2008 2 274 12.4 7.70 15.00 7.30
Show 20 31 18 +41 21 22 CAN 30 AH 2008 1 275 12.7 7.70 15.40 7.70
Show 20 31 18 +41 21 22 CAN 30 AI 2008 1 272 13.3 7.70 13.60 5.90
Ninefold system
9 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus
 
 
WDS 20313+4121 MZA 39 AB : 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
20313+4121 MZA 39 AB 2018 3 215 4.4 11.80 16.30 O9.5IV V R 203118.33+412121.7

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

 
 
WDS 20313+4121 MZA 39 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20313+4121 MZA 39 AB : MEASURES
 
 
No records found.

 
 
WDS 20313+4121 : VIRTUAL EYEPIECE
 
 

20313+4121 MZA 39A mag 11.8 Sp O9.5IV 20313+4121 MZA 39B sep 4.0 P.A. 207.40 mag 16.3 20313+4121 CAN 30C sep 6.6 P.A. 184.10 mag 15.3 20313+4121 CAN 30D sep 8.1 P.A. 104.10 mag 15 20313+4121 CAN 30E sep 8.9 P.A. 122.90 mag 15.1 20313+4121 CAN 30F sep 9.6 P.A. 225.80 mag 14.7 20313+4121 CAN 30G sep 9.3 P.A. 275.30 mag 15 20313+4121 CAN 30H sep 9.5 P.A. 276.90 mag 15.4 20313+4121 CAN 30I sep 10.0 P.A. 272.50 mag 13.6 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20313+4121 : ALADIN DSS IMAGE @ 20h 31m 18.33s +41° 21' 21.7"
 
 
 
 
WDS 20313+4121 MZA 39 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20313+4121 MZA 39AB distance=0' 20318+4118 CAN 4AB distance=6' 20318+4118 CAN 32AC distance=6' 20318+4118 CAN 32AD distance=6' 20318+4118 CAN 32AE distance=6' 20318+4118 CAN 32AF distance=6' 20318+4118 CAN 32AG distance=6' 20318+4118 CAN 32AH distance=6' 20318+4117 CAN 33AB distance=7' 20318+4117 CAN 33AC distance=7' 20318+4117 CAN 33AD distance=7' 20318+4117 CAN 33AE distance=7' 20318+4117 CAN 33AF distance=7' 20318+4117 CAN 33AG distance=7' 20318+4117 CAN 33AH distance=7' 20318+4117 CAN 33AI distance=7' 20316+4113 ES 1679AB distance=9' 20316+4113 CAN 75AC distance=9' 20316+4113 CAN 75AD distance=9' 20318+4128 CAN 34AB distance=10' 20318+4128 CAN 34AC distance=10' 20318+4128 CAN 34AD distance=10' 20318+4128 CAN 34AE distance=10' 20318+4128 CAN 34AF distance=10' 20318+4128 CAN 34AG distance=10' 20318+4128 CAN 34AH distance=10' 20318+4128 CAN 34AI distance=10' 20318+4128 CAN 34AJ distance=10' 20318+4128 CAN 34AK distance=10' 20318+4128 CAN 34AL distance=10' 20318+4128 CAN 34AM distance=10' 20318+4128 CAN 34AN distance=10' 20314+4131 CAN 31AB distance=11' 20314+4131 CAN 31AC distance=11' 20312+4132 CAN 3AB distance=11' 20312+4132 CAN 29AC distance=11' 20323+4126 CAN 36AB distance=12' 20323+4126 CAN 36AC distance=12' 20323+4126 CAN 36AD distance=12' 20323+4126 CAN 36AE distance=12' 20323+4126 CAN 36AF distance=12' 20323+4126 CAN 36AG distance=12' 20322+4127 MZA 24BC distance=12' 20322+4127 CAN 35BD distance=12' 20322+4127 CAN 35BE distance=12' 20322+4127 CAN 35BF distance=12' 20322+4127 CAN 35BG distance=12' 20322+4127 MZA 24AB distance=12' 20322+4127 MZA 24AC distance=12' 20322+4127 CAN 35AH distance=12' 20322+4127 CAN 35AI distance=12' grafico limitrofi
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 20313+4121 MZA 39 AB 215 4.4
Show 20313+4121 CAN 30 AC 185 6.6
Show 20313+4121 CAN 30 AD 101 10.7
Show 20313+4121 CAN 30 AE 116 11.1
Show 20313+4121 CAN 30 AF 234 11.4
Show 20313+4121 CAN 30 AG 274 12.4
Show 20313+4121 CAN 30 AH 275 12.7
Show 20313+4121 CAN 30 AI 272 13.3
Show 20318+4118 CAN 4 AB 38 1.3 6
Show 20318+4118 CAN 32 AC 282 6.4 6
Show 20318+4118 CAN 32 AD 338 6.9 6
Show 20318+4118 CAN 32 AE 8.0 6
Show 20318+4118 CAN 32 AF 226 9.0 6
Show 20318+4118 CAN 32 AG 348 11.9 6
Show 20318+4118 CAN 32 AH 183 13.0 6
Show 20318+4117 CAN 33 AB 22 3.5 7
Show 20318+4117 CAN 33 AC 146 5.0 7
Show 20318+4117 CAN 33 AD 4 6.6 7
Show 20318+4117 CAN 33 AE 117 8.3 7
Show 20318+4117 CAN 33 AF 94 10.7 7
Show 20318+4117 CAN 33 AG 47 12.6 7
Show 20318+4117 CAN 33 AH 224 13.7 7
Show 20318+4117 CAN 33 AI 255 15.5 7
Show 20316+4113 ES 1679 AB 214 4.0 9
Show 20316+4113 CAN 75 AC 166 8.2 9
Show 20316+4113 CAN 75 AD 269 11.8 9
Show 20318+4128 CAN 34 AB 276 2.9 10
Show 20318+4128 CAN 34 AC 328 3.0 10
Show 20318+4128 CAN 34 AD 63 3.5 10
Show 20318+4128 CAN 34 AE 177 4.8 10
Show 20318+4128 CAN 34 AF 112 5.4 10
Show 20318+4128 CAN 34 AG 92 5.9 10
Show 20318+4128 CAN 34 AH 148 8.3 10
Show 20318+4128 CAN 34 AI 295 9.5 10
Show 20318+4128 CAN 34 AJ 341 9.5 10
Show 20318+4128 CAN 34 AK 7 9.6 10
Show 20318+4128 CAN 34 AL 105 9.6 10
Show 20318+4128 CAN 34 AM 282 12.0 10
Show 20318+4128 CAN 34 AN 7 12.3 10
Show 20314+4131 CAN 31 AB 116 3.9 11
Show 20314+4131 CAN 31 AC 30 6.0 11
Show 20312+4132 CAN 3 AB 342 1.2 11
Show 20312+4132 CAN 29 AC 152 6.3 11
Show 20323+4126 CAN 36 AB 129 3.9 12
Show 20323+4126 CAN 36 AC 172 5.2 12
Show 20323+4126 CAN 36 AD 350 6.2 12
Show 20323+4126 CAN 36 AE 77 9.0 12
Show 20323+4126 CAN 36 AF 351 11.8 12
Show 20323+4126 CAN 36 AG 308 13.7 12
Show 20322+4127 MZA 24 BC 38 7.2 12
Show 20322+4127 CAN 35 BD 354 11.3 12

 
 
WDS 20313+4121 : COMPONENTS
 
 
  A B C D E F G H
B pa=207.4°
sep=4.05"
 
C pa=184.1°
sep=6.56"
pa=154.6°
sep=3.26"
 
D pa=104.1°
sep=8.14"
pa=80.6°
sep=9.89"
pa=61.4°
sep=9.52"
 
E pa=122.9°
sep=8.92"
pa=97.6°
sep=9.43"
pa=78.0°
sep=8.13"
pa=188.0°
sep=2.89"
 
F pa=225.8°
sep=9.61"
pa=238.3°
sep=5.91"
pa=268.6°
sep=6.43"
pa=252.3°
sep=15.52"
pa=262.7°
sep=14.50"
 
G pa=275.3°
sep=9.33"
pa=301.0°
sep=8.66"
pa=310.0°
sep=11.52"
pa=279.4°
sep=17.41"
pa=288.8°
sep=17.72"
pa=342.5°
sep=7.93"
 
H pa=276.9°
sep=9.53"
pa=302.0°
sep=8.96"
pa=310.5°
sep=11.84"
pa=280.2°
sep=17.64"
pa=289.5°
sep=17.98"
pa=341.9°
sep=8.26"
pa=327.7°
sep=0.33"
 
I pa=272.5°
sep=10.01"
pa=296.4°
sep=9.08"
pa=306.2°
sep=11.82"
pa=277.7°
sep=18.06"
pa=286.8°
sep=18.27"
pa=336.5°
sep=7.79"
pa=239.4°
sep=0.83"
pa=217.3°
sep=0.89"
 
 
20313+4121 A
 
 
Coord arcsec 2000 203118.33+412121.7 Mag 11.8 Spectral class O9.5IV (blue) PmRA -2.00
PmDE -4.0
 
 
20313+4121 B
 
 
Coord arcsec 2000 203118.16+412118.1 Mag 16.3 Calc delta mag 4.5 Calc coord yes
 
 
20313+4121 C
 
 
Coord arcsec 2000 203118.29+412115.2 Mag 15.3 Calc delta mag 3.5 Calc coord yes
 
 
20313+4121 D
 
 
Coord arcsec 2000 203119.03+412119.7 Mag 15 Calc delta mag 3.2 Calc coord yes
 
 
20313+4121 E
 
 
Coord arcsec 2000 203119.00+412116.9 Mag 15.1 Calc delta mag 3.3 Calc coord yes
 
 
20313+4121 F
 
 
Coord arcsec 2000 203117.72+412115.0 Mag 14.7 Calc delta mag 2.9 Calc coord yes
 
 
20313+4121 G
 
 
Coord arcsec 2000 203117.51+412122.6 Mag 15 Calc delta mag 3.2 Calc coord yes
 
 
20313+4121 H
 
 
Coord arcsec 2000 203117.49+412122.8 Mag 15.4 Calc delta mag 3.6 Calc coord yes
 
 
20313+4121 I
 
 
Coord arcsec 2000 203117.44+412122.1 Mag 13.6 Calc delta mag 1.8 Calc coord yes