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Doubles in session


Current system
21089+4815
ARG 42 AC


Nearby doubles
11' : 21097+4820
COU2545

12' : 21100+4811
RAO 448

19' : 21102+4828
KPP4226

20' : 21103+4828
TOI1343

25' : 21065+4823
BU 836AB

33' : 21100+4745
A 761

35' : 21072+4744
ES 817AB

35' : 21063+4751
BUP9010AB

38' : 21105+4742
BU 159AB

38' : 21055+4758
ES 816

39' : 21092+4737
TDT2786

39' : 21077+4851
ES 818AB

39' : 21119+4838
HJ 1624

40' : 21129+4820
HJ 1625

42' : 21057+4748
BU 158AB

43' : 21119+4845
STJ 110

43' : 21066+4739
ES 32

45' : 21117+4849
COU2651

47' : 21043+4806
ARN 51

48' : 21100+4901
HDS3016

55' : 21100+4908
FMR 233

56' : 21050+4855
CVE 25

58' : 21077+4718
A 759

58' : 21050+4858
TDT2728

59' : 21090+4716
ES 512AB

59' : 21127+4900
COU2652



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

21089+4815 ARG 42 AC

 
 
21h 08m 52.58s +48° 14' 48.4" P.A. 333.00 sep 41.8 mag 8.81,11.29 Sp K5
 
 
Coord 2000 21089+4815 Discov num ARG  42 Comp AC Coord arcsec 2000 21 08 52.58 +48 14 48.4
Date first 1899 Date last 2018 Obs 17
Pa first 336 Pa last 333 P.A. Now (θ) 333°
Sep first 41.5 Sep last 41.768 Sep. Now (ρ) 41.768"
Mag pri 8.81 Mag sec 11.29 delta mag (ΔM) 2.48 Spectral class K5 (yellow-orange)
Pri motion ra +011 Sec motion ra -004
Pri motion dec +003 Sec motion dec -001
Notes
rPM=1.362
This double is not physical.
 
 
21089+4815 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 08 53 +48 14 48 ARG 42 AB 2019 47 60 21.0 8.81 9.67 0.86
Show 21 08 53 +48 14 48 ARG 42 AC 2018 17 333 41.8 8.81 11.29 2.48 <===
Show 21 08 54 +48 14 59 ARG 42 BC 2018 16 306 45.9 9.67 11.29 1.62
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3592-07449-1 Gaia DR2 2165333673836675072
 
 
WDS 21089+4815 ARG 42 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Arg1857 - Argelander, F. ...................
Arg1857 Oeltzen Argelander Cat -15 to -31, 1857
Arg1862A - Argelander, F. 1862AN.....59....1A
Arg1862A cited by Auwers (AN 59, 1, 1862)
Arg1864 T - Argelander, F. 1864AN.....62R.253A
Arg1864 AN 62, 253, 1864
Arg1865 T - Argelander, F. 1865AN.....65...61A
Arg1865 AN 65, 61, 1865
Arg1880A - Argelander, F. 1880Obs.....3..569G
Arg1880A cited by Gledhill (Obs. 3, 569, 1880)
Arg1906A T - Argelander, F. (BD) 1906QB821.B972.....
Arg1906A cited in BDS (Burnham Double Star Cat., 1906)
Arg1908A T - Argelander, F. 1908JRASC...2..248E
Arg1908A cited by Espin (JRASC 2, 248, 1908) .
Arg1913A T - Argelander, F. (BD) 1913QB811.B8.......
Arg1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Arg1932A T - Argelander, F. (BD) 1932QB821.A43......
Arg1932A cited in ADS (Aitken Double Star Cat., 1932)
Arg1937A - Argelander, F. 1937AnLei..18....1S
Arg1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21089+4815 ARG 42 AC 2000 10 334 41.7 8.81 11.29 D 210852.58+481448.4
21089+4815 ARG 42 AC 2010 11 333 41.2 8.81 11.29 D 210852.58+481448.4
21089+4815 ARG 42 AC 2015 13 333 41.7 8.81 11.29 K5 210852.58+481448.4
21089+4815 ARG 42 AC 2018 14 333 41.8 8.81 11.29 K5 210852.58+481448.4

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

 
 
WDS 21089+4815 ARG 42 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21089+4815 ARG 42 AC : MEASURES
 
 
No records found.

 
 
WDS 21089+4815 : VIRTUAL EYEPIECE
 
 

21089+4815 ARG 42A mag 8.81 Sp K5 21089+4815 ARG 42B sep 21.5 P.A. 59.60 mag 9.67 Sp G0 21089+4815 ARG 42C sep 39.3 P.A. 341.30 mag 11.29 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 21089+4815 : ALADIN DSS IMAGE @ 21h 08m 52.58s +48° 14' 48.4"
 
 
 
 
WDS 21089+4815 ARG 42 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21089+4815 ARG 42AC distance=0' 21089+4815 ARG 42BC distance=1' 21097+4820 COU2545 distance=11' 21100+4811 RAO 448 distance=12' 21102+4828 KPP4226 distance=19' 21103+4828 TOI1343 distance=20' 21065+4823 BU 836AB distance=25' 21065+4823 BU 836AB,C distance=25' 21065+4823 BU 836CD distance=25' 21100+4745 A 761 distance=33' 21072+4744 ES 817AB distance=35' 21072+4744 ES 817AC distance=35' 21072+4744 ES 817AD distance=35' 21063+4751 BUP9010AB distance=35' 21063+4751 BUP9010AC distance=35' 21063+4751 BUP9010AD distance=35' 21105+4742 BU 159AB distance=38' 21105+4742 STTA215AC distance=38' 21105+4742 BU 159AD distance=38' 21105+4742 LV 23AE distance=38' 21055+4758 ES 816 distance=38' 21092+4737 TDT2786 distance=39' 21077+4851 ES 818AB distance=39' 21119+4838 HJ 1624 distance=39' 21077+4851 ES 818BC distance=39' 21129+4820 HJ 1625 distance=40' 21057+4748 BU 158AB distance=42' 21119+4845 STJ 110 distance=43' 21066+4739 ES 32 distance=43' 21117+4849 COU2651 distance=45' 21043+4806 ARN 51 distance=47' 21100+4901 HDS3016 distance=48' 21100+4908 FMR 233 distance=55' 21050+4855 CVE 25 distance=56' 21077+4718 A 759 distance=58' 21050+4858 TDT2728 distance=58' 21090+4716 ES 512AB distance=59' 21127+4900 COU2652 distance=59' 21047+4902 HU 590 distance=63' 21105+4713 TDT2803 distance=64' 21068+4708 ES 1169 distance=70' 21157+4832 HDS3024 distance=70' 21019+4802 COU2650 distance=72' 21070+4704 BRT1142 distance=74' 21109+4658 GIC 166AB distance=80' 21109+4658 JNN 290BC distance=81' 21109+4658 JNN 290BD distance=81' 21099+4651 SMA 129 distance=84' 21016+4730 HDS2997 distance=86' 21184+4802 HJ 1633 distance=87' 21011+4738 RAO 446 distance=87' 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 21089+4815 ARG 42 AB 60 21.0
Show 21089+4815 ARG 42 AC 333 41.8
Show 21089+4815 ARG 42 BC 306 45.9 1
Show 21097+4820 COU2545 74 0.7 11
Show 21100+4811 RAO 448 3 3.5 12
Show 21102+4828 KPP4226 308 1.9 19
Show 21103+4828 TOI1343 334 0.5 20
Show 21065+4823 BU 836 AB 177 0.8 25
Show 21065+4823 BU 836 AB,C 218 27.5 25
Show 21065+4823 BU 836 CD 64 1.4 25
Show 21100+4745 A 761 56 0.4 33
Show 21072+4744 ES 817 AB 350 10.0 35
Show 21072+4744 ES 817 AC 347 22.2 35
Show 21072+4744 ES 817 AD 85 23.7 35
Show 21063+4751 BUP9010 AB 61 28.5 35
Show 21063+4751 BUP9010 AC 315 50.0 35
Show 21063+4751 BUP9010 AD 322 53.9 35
Show 21105+4742 BU 159 AB 313 1.2 38
Show 21105+4742 STTA215 AC 189 136.7 38
Show 21105+4742 BU 159 AD 145 14.8 38
Show 21105+4742 LV 23 AE 338 46.8 38
Show 21055+4758 ES 816 36 2.6 38
Show 21092+4737 TDT2786 240 0.7 39
Show 21077+4851 ES 818 AB 39 48.6 39
Show 21119+4838 HJ 1624 190 6.2 39
Show 21077+4851 ES 818 BC 137 2.2 39
Show 21129+4820 HJ 1625 71 11.8 40
Show 21057+4748 BU 158 AB 304 11.0 42
Show 21119+4845 STJ 110 114 1.3 43
Show 21066+4739 ES 32 159 15.7 43
Show 21117+4849 COU2651 13 0.9 45
Show 21043+4806 ARN 51 340 47.3 47
Show 21100+4901 HDS3016 25 0.3 48
Show 21100+4908 FMR 233 255 8.7 55
Show 21050+4855 CVE 25 157 6.7 56
Show 21077+4718 A 759 24 4.1 58
Show 21050+4858 TDT2728 57 2.5 58
Show 21090+4716 ES 512 AB 1 13.4 59
Show 21127+4900 COU2652 339 0.7 59
Show 21047+4902 HU 590 91 0.1 63
Show 21105+4713 TDT2803 183 0.6 64
Show 21068+4708 ES 1169 89 4.8 70
Show 21157+4832 HDS3024 328 0.3 70
Show 21019+4802 COU2650 256 2.0 72
Show 21070+4704 BRT1142 220 4.6 74
Show 21109+4658 GIC 166 AB 150 29.3 80
Show 21109+4658 JNN 290 BC 36 2.4 81
Show 21109+4658 JNN 290 BD 189 3.4 81
Show 21099+4651 SMA 129 264 14.1 84
Show 21016+4730 HDS2997 232 1.9 86
Show 21184+4802 HJ 1633 67 9.9 87

 
 
WDS 21089+4815 : COMPONENTS
 
 
  A B
B pa=59.6°
sep=21.54"
 
C pa=341.3°
sep=39.30"
pa=310.1°
sep=40.82"
 
 
21089+4815 A
 
 
Coord arcsec 2000 210852.58+481448.4 Mag 8.81 Spectral class K5 (yellow-orange) PmRA 11.00
PmDE 3.0 Tycho2 3592-07449-1
Tycho2
Tycho2 3592-07449-1 Pflag RAmdeg 317.21911865 DEmdeg 48.24678959
PmRA 10.6 PmDE 2.6 E RAmdeg 11 E DEmdeg 11
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.97 EpDEm 1990.60
Num 7 Q RAmdeg 0.5 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.0 BTmag 10.822 E BTmag 0.045 VTmag 8.813
E VTmag 0.015 Prox 217 TYC T HIP
CCDM RAdeg 317.21908250 DEdeg 48.24678333 EpRA 1990 1.82
EpDE 1990 1.78 E RAdeg 10.8 E DEdeg 11.4 Posflg
Corr 0.0
CCDM
Ccdm 21089+4815 RComp Comp A Note1
Note2 Discov num DRAs -1.45 DDEs -11.9
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.7 Sp K2 PmNote *
PmRA 16 PmDE -7 Dm number +47 3306 Cat1 BD
Name2 +48 1708 Cat2 AGK2/3 HD M HD
ADS BDS B10785 M ADS BDS N IDS IDS 21054N4751A
HIC
 
 
21089+4815 B
 
 
Coord arcsec 2000 210854.44+481459.3 Coord calc 210854.44+481459.3 Mag 9.67 Spectral class G0 (yellow)
PmRA -5.00 PmDE -21.0 Tycho2 3592-07450-1 Calc delta mag 0.86
Tycho2
Tycho2 3592-07450-1 Pflag RAmdeg 317.22683486 DEmdeg 48.24982067
PmRA -6.4 PmDE -20.4 E RAmdeg 22 E DEmdeg 21
E pmRA 1.5 E pmDE 1.4 EpRAm 1988.85 EpDEm 1988.59
Num 6 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.2 BTmag 11.129 E BTmag 0.058 VTmag 9.670
E VTmag 0.027 Prox 217 TYC T HIP
CCDM RAdeg 317.22685667 DEdeg 48.24986750 EpRA 1990 1.82
EpDE 1990 1.80 E RAdeg 21.9 E DEdeg 22.4 Posflg
Corr 0.0
CCDM
Ccdm 21089+4815 RComp Comp B Note1
Note2 Discov num ARG 42 DRAs 0.34 DDEs -0.5
R dRAs 10 Year 1904 Theta 058 Rho 23.8
Obs 3 Vmag 9.3 Sp G0 PmNote *
PmRA -10 PmDE -21 Dm number +47 3307 Cat1 BD
Name2 +48 1709 Cat2 AGK2/3 HD M HD
ADS BDS B10785 M ADS BDS N IDS IDS 21054N4751B
HIC
 
 
21089+4815 C
 
 
Coord arcsec 2000 210851.32+481525.6 Mag 11.29 PmRA -4.00 PmDE -1.0
Tycho2 3592-02925-1 Calc delta mag 2.48 Calc coord yes
Tycho2
Tycho2 3592-02925-1 Pflag RAmdeg 317.21141049 DEmdeg 48.25717507
PmRA -3.7 PmDE -1.2 E RAmdeg 33 E DEmdeg 52
E pmRA 1.9 E pmDE 1.8 EpRAm 1984.10 EpDEm 1980.72
Num 5 Q RAmdeg 0.8 Q DEmdeg 0.3 Q pmRA 0.8
Q pmDE 0.3 BTmag 11.650 E BTmag 0.080 VTmag 11.289
E VTmag 0.097 Prox 417 TYC HIP
CCDM RAdeg 317.21141861 DEdeg 48.25717861 EpRA 1990 1.82
EpDE 1990 1.77 E RAdeg 51.9 E DEdeg 57.9 Posflg
Corr -0.1
CCDM
Ccdm 21089+4815 RComp Comp C Note1
Note2 Discov num ARG 42 DRAs DDEs
R dRAs Year 1911 Theta 337 Rho 41.7
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21054N4751C
HIC