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Doubles in session


Current system
21058+2931
LDS 2938


Nearby doubles
8' : 21065+2933
AG 413

20' : 21057+2912
GRV 416

24' : 21075+2924
TDT2769

30' : 21055+2901
MLB 536

30' : 21078+2945
MLB 715AB

34' : 21070+3001
J 1319

34' : 21046+2902
TDT2726

36' : 21031+2929
OSO 139AB

38' : 21083+2913
COU1331

40' : 21035+2906
BU 445AB

43' : 21088+2916
MLB 487

45' : 21091+2922
COU1332

45' : 21077+3009
KPP1031

49' : 21061+2843
LDS2939

51' : 21025+2958
COU1181

54' : 21017+2938
COU1180AB

55' : 21086+3012
STF2762AB

57' : 21040+2841
HJ 1609AB

57' : 21077+3022
UC 256

61' : 21064+3031
TDT2751

61' : 21072+2833
COU 528

62' : 21094+2850
DOB9002

63' : 21034+3025
SMA 123

67' : 21109+2925
BAG 29

68' : 21054+2824
MLB 666

69' : 21092+3023
CBL 90



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Binary Systems
Triple Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21058+2931 LDS 2938

 
 
21h 05m 49.28s +29° 31' 26.3" P.A. 247.00 sep 23.5 mag 10.32,16.80 Sp M9pev
 
 
Coord 2000 21058+2931 Discov num LDS2938 Comp Coord arcsec 2000 21 05 49.28 +29 31 26.3
Date first 1953 Date last 2016 Obs 10
Pa first 245 Pa last 246.7 P.A. Now (θ) 246.7°
Sep first 24.0 Sep last 23.453 Sep. Now (ρ) 23.453"
Mag pri 10.32 Mag sec 16.80 delta mag (ΔM) 6.48 Spectral class M9pev (red)
Pri motion ra -046 Sec motion ra
Pri motion dec -092 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1852215096062887552
 
 
WDS 21058+2931 LDS 2938 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
LDS Luyten p.m. catalog (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21058+2931 LDS2938 1998 2 247 23.5 10.32 16.80 +28 3986 D 210549.28+293126.3
21058+2931 LDS2938 2009 3 246 23.4 10.32 16.80 +28 3986 D 210549.28+293126.3
21058+2931 LDS2938 2010 4 247 23.3 10.32 16.80 M9pev +28 3986 210549.28+293126.3
21058+2931 LDS2938 2015 5 247 23.5 10.32 16.80 M9pev +28 3986 210549.28+293126.3
21058+2931 LDS2938 2016 10 247 23.5 10.32 16.80 M9pev +28 3986 210549.28+293126.3

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

 
 
WDS 21058+2931 LDS 2938 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21058+2931 LDS 2938 : MEASURES
 
 
No records found.

 
 
WDS 21058+2931 : VIRTUAL EYEPIECE
 
 

21058+2931 LDS2938A mag 10.32 Sp M9pev 21058+2931 LDS2938B sep 23.4 P.A. 246.70 mag 16.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21058+2931 : ALADIN DSS IMAGE @ 21h 05m 49.28s +29° 31' 26.3"
 
 
 
 
WDS 21058+2931 LDS 2938 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21058+2931 LDS2938 distance=0' 21065+2933 AG 413 distance=8' 21057+2912 GRV 416 distance=20' 21075+2924 TDT2769 distance=24' 21055+2901 MLB 536 distance=30' 21078+2945 MLB 715AB distance=30' 21078+2945 MLB 715AC distance=30' 21070+3001 J 1319 distance=34' 21046+2902 TDT2726 distance=34' 21031+2929 OSO 139AB distance=36' 21031+2929 OSO 139AC distance=36' 21031+2929 OSO 139AD distance=36' 21083+2913 COU1331 distance=38' 21035+2906 BU 445AB distance=40' 21035+2906 BU 445AC distance=40' 21035+2906 BU 445AD distance=40' 21035+2906 BU 445AE distance=40' 21035+2906 ARN 21AF distance=40' 21088+2916 MLB 487 distance=43' 21091+2922 COU1332 distance=45' 21077+3009 KPP1031 distance=45' 21061+2843 LDS2939 distance=49' 21025+2958 COU1181 distance=51' 21017+2938 COU1180AB distance=54' 21017+2938 RBR 51Aa,Ab distance=54' 21086+3012 STF2762AB distance=55' 21086+3012 STF2762AC distance=55' 21086+3012 STF2762AD distance=55' 21040+2841 HJ 1609CD distance=56' 21040+2841 HJ 1609AB distance=57' 21077+3022 UC 256 distance=57' 21064+3031 TDT2751 distance=61' 21072+2833 COU 528 distance=61' 21094+2850 DOB9002 distance=62' 21034+3025 SMA 123 distance=63' 21109+2925 BAG 29 distance=67' 21054+2824 MLB 666 distance=68' 21092+3023 CBL 90 distance=69' 21007+2920 AZC 109 distance=69' 21074+3038 TDT2767 distance=70' 21056+3043 TDT2737 distance=72' 21098+2915 DU 3 distance=76' 21031+3039 GRV 407 distance=77' 21070+2816 HJ 1611 distance=77' 21101+3027 KPP4225 distance=78' 21118+2943 HAU 27 distance=79' 21073+3048 TDT2766 distance=80' 21103+3027 TDT2801 distance=81' 21026+3041 COU1182 distance=82' 21007+2844 BRT 54AB distance=83' 21007+2844 BRT 54AC distance=83' 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 21058+2931 LDS2938 247 23.5 0
Show 21065+2933 AG 413 107 2.7 8
Show 21057+2912 GRV 416 137 38.2 20
Show 21075+2924 TDT2769 154 0.6 24
Show 21055+2901 MLB 536 236 5.4 30
Show 21078+2945 MLB 715 AB 40 5.5 30
Show 21078+2945 MLB 715 AC 336 25.3 30
Show 21070+3001 J 1319 206 1.6 34
Show 21046+2902 TDT2726 311 0.6 34
Show 21031+2929 OSO 139 AB 82 15.8 36
Show 21031+2929 OSO 139 AC 308 18.8 36
Show 21031+2929 OSO 139 AD 110 26.3 36
Show 21083+2913 COU1331 37 0.3 38
Show 21035+2906 BU 445 AB 109 4.7 40
Show 21035+2906 BU 445 AC 19 50.7 40
Show 21035+2906 BU 445 AD 317 87.3 40
Show 21035+2906 BU 445 AE 218 103.5 40
Show 21035+2906 ARN 21 AF 233 219.9 40
Show 21088+2916 MLB 487 142 4.3 43
Show 21091+2922 COU1332 20 0.2 45
Show 21077+3009 KPP1031 334 8.3 45
Show 21061+2843 LDS2939 320 5.9 49
Show 21025+2958 COU1181 214 0.7 51
Show 21017+2938 COU1180 AB 204 3.7 54
Show 21017+2938 RBR 51 Aa,Ab 181 0.6 54
Show 21086+3012 STF2762 AB 303 3.3 55
Show 21086+3012 STF2762 AC 229 59.0 55
Show 21086+3012 STF2762 AD 66 73.1 55
Show 21040+2841 HJ 1609 CD 193 6.1 56
Show 21040+2841 HJ 1609 AB 36 8.1 57
Show 21077+3022 UC 256 67 48.1 57
Show 21064+3031 TDT2751 148 2.4 61
Show 21072+2833 COU 528 70 1.2 61
Show 21094+2850 DOB9002 104 18.6 62
Show 21034+3025 SMA 123 145 7.2 63
Show 21109+2925 BAG 29 174 0.2 67
Show 21054+2824 MLB 666 352 1.4 68
Show 21092+3023 CBL 90 113 54.5 69
Show 21007+2920 AZC 109 324 34.8 69
Show 21074+3038 TDT2767 173 10.5 70
Show 21056+3043 TDT2737 322 6.3 72
Show 21098+2915 DU 3 15 6.1 76
Show 21031+3039 GRV 407 221 59.2 77
Show 21070+2816 HJ 1611 279 10.7 77
Show 21101+3027 KPP4225 236 2.2 78
Show 21118+2943 HAU 27 297 50.0 79
Show 21073+3048 TDT2766 193 1.9 80
Show 21103+3027 TDT2801 237 0.9 81
Show 21026+3041 COU1182 180 1.0 82
Show 21007+2844 BRT 54 AB 359 6.9 83
Show 21007+2844 BRT 54 AC 296 26.6 83

 
 
WDS 21058+2931 : COMPONENTS
 
 
  A
B pa=246.7°
sep=23.45"
 
 
21058+2931 A
 
 
Coord arcsec 2000 210549.28+293126.3 Mag 10.32 Spectral class M9pev (red) PmRA -46.00
PmDE -92.0
CCDM
Ccdm 21058+2931 RComp Comp A Note1
Note2 Discov num DRAs 1.28 DDEs 26.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 11.5 Sp PmNote *
PmRA -43 PmDE -87 Dm number +28 3986 Cat1 BD
Name2 +29 2483 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 21016N2907A
HIC
 
 
21058+2931 B
 
 
Coord arcsec 2000 210547.63+293117.0 Mag 16.8 Delta magnitude 6.48 Coordinate calculated yes
CCDM
Ccdm 21058+2931 RComp Comp B Note1
Note2 Discov num LDS2938 DRAs DDEs
R dRAs Year 1953 Theta 245 Rho 24.0
Obs 1 Vmag 18.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21016N2907B
HIC