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Doubles in session


Current system
21448+4931
ARG 43 BC


Nearby doubles
24' : 21468+4919
MIU 3

33' : 21415+4926
KPP4243

35' : 21414+4921
BU 373

44' : 21408+4911
TDT3101

53' : 21443+5024
TDT3128

53' : 21399+4908
ES 825AB

53' : 21496+4908
DAM 297

57' : 21390+4940
HJ 1674

59' : 21491+4852
DAM 296

59' : 21497+4857
ES 9011

62' : 21506+4908
ES 826

63' : 21417+5026
HJ 1684

63' : 21425+4832
COU2313

64' : 21439+5034
HU 693

65' : 21432+4828
CBL 96

66' : 21476+4832
TDT3155

67' : 21495+5019
TDT3180

67' : 21385+4955
HLD 47

68' : 21449+4824
SLN 42

70' : 21515+4910
ES 9008

72' : 21415+5035
COU2444

74' : 21396+5025
TDT3087

74' : 21492+5031
STF2832AB

74' : 21404+5029
ES 1104AB

74' : 21514+4857
ES 9007

75' : 21487+5035
ES 1105AB



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

21448+4931 ARG 43 BC

 
 
21h 44m 46.06s +49° 31' 13.5" P.A. 91.00 sep 6.9 mag 9.01,14.00 Sp A2 dist. 33333.33 pc (108733.32 l.y.)
 
 
Coord 2000 21448+4931 Discov num ARG  43 Comp BC Coord arcsec 2000 21 44 46.06 +49 31 13.5
Date first 1904 Date last 2018 Obs 10
Pa first 88 Pa last 91.3 P.A. Now (θ) 91.3°
Sep first 6.7 Sep last 6.861 Sep. Now (ρ) 6.861"
Mag pri 9.01 Mag sec 14.00 delta mag (ΔM) 4.99 Spectral class A2 (white)
Pri motion ra +010 Sec motion ra +027
Pri motion dec +003 Sec motion dec -001
Notes
rPM=0.646
Nature of this double is uncertain.
 
 
21448+4931 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 207020 51250 21 44 45 +49 30 46 ARG 43 AB 2018 21 20 29.2 8.63 9.01 0.38
Show 21 44 46 +49 31 14 ARG 43 BC 2018 10 91 6.9 9.01 14.00 4.99 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 107364 Tycho2 3599-02366-1 Gaia DR2 1978951609515342080
BD BD+48 3492 Distance 33333.33 Distance ly 108733.32
 
 
WDS 21448+4931 ARG 43 BC : 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
21448+4931 ARG 43 BC 2003 3 93 6.8 9.01 14.00 A2 D 214446.06+493113.5
21448+4931 ARG 43 BC 2015 5 91 7.1 9.01 14.00 A2 214446.06+493113.5
21448+4931 ARG 43 BC 2018 6 91 6.9 9.01 14.00 A2 214446.06+493113.5

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

 
 
WDS 21448+4931 ARG 43 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21448+4931 ARG 43 BC : MEASURES
 
 
No records found.

 
 
WDS 21448+4931 : VIRTUAL EYEPIECE
 
 

21448+4931 ARG 43A mag 8.63 Sp A0 21448+4931 ARG 43B sep 28.7 P.A. 19.00 mag 9.01 Sp A2 21448+4931 ARG 43C sep 30.3 P.A. 27.10 mag 14 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21448+4931 : ALADIN DSS IMAGE @ 21h 44m 46.06s +49° 31' 13.5"
 
 
 
 
WDS 21448+4931 ARG 43 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21448+4931 ARG 43BC distance=0' 21448+4931 ARG 43AB distance=1' 21468+4919 MIU 3 distance=24' 21415+4926 KPP4243 distance=33' 21414+4921 BU 373 distance=35' 21408+4911 TDT3101 distance=44' 21443+5024 TDT3128 distance=53' 21399+4908 ES 825AB distance=53' 21399+4908 ES 825AC distance=53' 21399+4908 ES 825AD distance=53' 21496+4908 DAM 297 distance=53' 21390+4940 HJ 1674 distance=57' 21491+4852 DAM 296 distance=59' 21497+4857 ES 9011 distance=59' 21506+4908 ES 826 distance=62' 21417+5026 HJ 1684 distance=63' 21425+4832 COU2313 distance=63' 21439+5034 HU 693 distance=64' 21432+4828 CBL 96 distance=65' 21476+4832 TDT3155 distance=66' 21495+5019 TDT3180 distance=67' 21385+4955 HLD 47 distance=67' 21449+4824 SLN 42 distance=68' 21515+4910 ES 9008 distance=70' 21415+5035 COU2444 distance=72' 21396+5025 TDT3087 distance=74' 21492+5031 STF2832BC distance=74' 21492+5031 STF2832AB distance=74' 21492+5031 CTT 10AD distance=74' 21492+5031 STF2832AC distance=74' 21404+5029 ES 1104AB distance=74' 21404+5029 ES 1104AC distance=74' 21514+4857 ES 9007 distance=74' 21487+5035 ES 1105AB distance=75' 21487+5035 ES 1105AC distance=75' 21370+4941 LEO 28 distance=76' 21526+4909 COU2445 distance=80' 21511+5023 HU 694 distance=81' 21401+4824 HJ 1681AB distance=82' 21415+4817 KPP4242 distance=82' 21367+4905 TDT3061 distance=83' 21429+5053 COU2548 distance=84' 21399+5039 ES 1103 distance=84' 21534+4921 ES 524BC distance=85' 21534+4921 ES 524AB distance=85' 21526+5013 ES 1175 distance=87' 21433+5100 BU 374 distance=91' 21488+4810 KPP1210 distance=91' 21380+4829 ES 102 distance=92' 21511+5040 ES 827 distance=93' 21380+5037 COU2443 distance=93' 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 21448+4931 ARG 43 BC 91 6.9
Show 21448+4931 ARG 43 AB 20 29.2 1
Show 21468+4919 MIU 3 129 0.1 24
Show 21415+4926 KPP4243 321 1.6 33
Show 21414+4921 BU 373 170 5.0 35
Show 21408+4911 TDT3101 330 0.9 44
Show 21443+5024 TDT3128 198 1.7 53
Show 21399+4908 ES 825 AB 257 12.1 53
Show 21399+4908 ES 825 AC 284 57.7 53
Show 21399+4908 ES 825 AD 11 20.6 53
Show 21496+4908 DAM 297 170 8.4 53
Show 21390+4940 HJ 1674 328 11.1 57
Show 21491+4852 DAM 296 240 6.9 59
Show 21497+4857 ES 9011 216 5.5 59
Show 21506+4908 ES 826 129 4.0 62
Show 21417+5026 HJ 1684 319 10.8 63
Show 21425+4832 COU2313 55 0.4 63
Show 21439+5034 HU 693 232 1.1 64
Show 21432+4828 CBL 96 117 46.6 65
Show 21476+4832 TDT3155 40 0.8 66
Show 21495+5019 TDT3180 67 1.9 67
Show 21385+4955 HLD 47 227 6.4 67
Show 21449+4824 SLN 42 120 14.6 68
Show 21515+4910 ES 9008 120 7.5 70
Show 21415+5035 COU2444 340 0.6 72
Show 21396+5025 TDT3087 126 1.9 74
Show 21492+5031 STF2832 BC 335 51.5 74
Show 21492+5031 STF2832 AB 213 13.2 74
Show 21492+5031 CTT 10 AD 104 125.2 74
Show 21492+5031 STF2832 AC 321 45.8 74
Show 21404+5029 ES 1104 AB 347 3.3 74
Show 21404+5029 ES 1104 AC 225 13.8 74
Show 21514+4857 ES 9007 102 6.7 74
Show 21487+5035 ES 1105 AB 298 7.8 75
Show 21487+5035 ES 1105 AC 96 9.8 75
Show 21370+4941 LEO 28 155 2.5 76
Show 21526+4909 COU2445 18 1.4 80
Show 21511+5023 HU 694 192 1.6 81
Show 21401+4824 HJ 1681 AB 107 7.5 82
Show 21415+4817 KPP4242 74 4.0 82
Show 21367+4905 TDT3061 46 0.6 83
Show 21429+5053 COU2548 167 1.0 84
Show 21399+5039 ES 1103 240 6.6 84
Show 21534+4921 ES 524 BC 3 4.7 85
Show 21534+4921 ES 524 AB 188 20.9 85
Show 21526+5013 ES 1175 211 9.9 87
Show 21433+5100 BU 374 138 1.8 91
Show 21488+4810 KPP1210 256 9.4 91
Show 21380+4829 ES 102 36 11.4 92
Show 21511+5040 ES 827 242 3.1 93
Show 21380+5037 COU2443 234 1.0 93

 
 
WDS 21448+4931 : COMPONENTS
 
 
  A B
B pa=19.0°
sep=28.67"
 
C pa=27.1°
sep=30.27"
pa=92.0°
sep=4.46"
 
 
21448+4931 A
 
 
Name HD 207020 Coord arcsec 2000 214445.10+493046.4 Mag 8.63 Spectral class A0 (white)
PmRA -14.00 PmDE -8.0 SAO 51250 HIP 107363
Tycho2 3599-00747-1 HD 207020 BD BD+48 3491
Tycho2
Tycho2 3599-00747-1 Pflag RAmdeg 326.18789099 DEmdeg 49.51287080
PmRA -10.7 PmDE -8.3 E RAmdeg 6 E DEmdeg 7
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.31 EpDEm 1991.16
Num 7 Q RAmdeg 1.0 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.6 BTmag 8.669 E BTmag 0.016 VTmag 8.631
E VTmag 0.014 Prox 287 TYC T HIP 107363
CCDM A RAdeg 326.18792889 DEdeg 49.51289000 EpRA 1990 1.68
EpDE 1990 1.67 E RAdeg 6.4 E DEdeg 6.6 Posflg
Corr 0.0
SAO
SAO 51250 DelFlag RA1950 PmRA1950 -0.0017
DE1950 PmDE1950 0.021 Vmag 8.7 SpType A0
Double code Source 3 CatNum 1860 DM BD+48 3491
DMcomp BDsup HD 207020 M HD 0
GC RA1950rad 5.68504843 DE1950rad 0.86014099 PmRA2000 -0.0014
PmDE2000 0.017
Hipparcos
Catalog H HIP 107363 Proxy RAhms 21 44 45.10
DEdms +49 30 46.4 Vmag 8.64 VarFlag R Vmag H
RAdeg 326.188 DEdeg 49.5129 AstroRef A Plx 3.28
CCDM 21448+4931 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD 207020 BD BD+48 3491
CD CP Dm number +48 3491 VIred 0.03
SpType A0 R SpType Coord arcsec 2000 214445.10+493046.4
Hipparcos 2
HIP 107363 Sn 95 So 3 Nc 1
RArad 5.6930534184 DErad 0.8641629953 Plx 2.81 PmRA -14.6
PmDE -8.15 E RArad 0.74 E DErad 0.66 E Plx 0.92
E pmRA 0.99 E pmDE 0.85 Hpmag 8.6624 E Hpmag 0.007
SHp 0.02 VA 0 BV 0.037 E BV 0.019
VI 0.05
CCDM
Ccdm 21448+4931 RComp Comp A Note1
Note2 Discov num DRAs -2.94 DDEs -13.7
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.6 Sp A0 PmNote *
PmRA -22 PmDE -6 Dm number +48 3491 Cat1 BD
Name2 +49 1860 Cat2 AGK2/3 HD 207020 M HD
ADS BDS B11238 M ADS BDS N IDS IDS 21410N4904A
HIC 107363
 
 
21448+4931 B
 
 
Coord arcsec 2000 214446.06+493113.5 Coord calc 214446.06+493113.5 Mag 9.01 Spectral class A2 (white)
PmRA 10.00 PmDE 3.0 HIP 107364 Tycho2 3599-02366-1
BD BD+48 3492 Calc delta mag 0.38
Tycho2
Tycho2 3599-02366-1 Pflag RAmdeg 326.19193584 DEmdeg 49.52042896
PmRA 8.8 PmDE 3.1 E RAmdeg 8 E DEmdeg 9
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.00 EpDEm 1990.80
Num 7 Q RAmdeg 2.2 Q DEmdeg 1.1 Q pmRA 2.2
Q pmDE 1.2 BTmag 9.224 E BTmag 0.018 VTmag 9.011
E VTmag 0.015 Prox 287 TYC T HIP 107364
CCDM B RAdeg 326.19190222 DEdeg 49.52042222 EpRA 1990 1.69
EpDE 1990 1.66 E RAdeg 8.3 E DEdeg 8.8 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 107364 Proxy RAhms 21 44 46.05
DEdms +49 31 13.5 Vmag 9.08 VarFlag R Vmag H
RAdeg 326.192 DEdeg 49.5204 AstroRef B Plx 1.61
CCDM 21448+4931 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual B M HIP
Theta Rho HD BD BD+48 3492
CD CP Dm number +48 3492 VIred 0.32
SpType A2 R SpType Coord arcsec 2000 214446.05+493113.5
Hipparcos 2
HIP 107364 Sn 95 So 3 Nc 1
RArad 5.6931224131 DErad 0.8642943807 Plx 0.03 PmRA 9.66
PmDE 3.25 E RArad 0.8 E DErad 0.89 E Plx 1.05
E pmRA 1.14 E pmDE 1.18 Hpmag 9.1427 E Hpmag 0.0089
SHp 0 VA 0 BV 0.138 E BV 0.031
VI 0.15
CCDM
Ccdm 21448+4931 RComp Comp B Note1
Note2 Discov num ARG 43 DRAs -1.92 DDEs 13.0
R dRAs 10 Year 1904 Theta 015 Rho 27.0
Obs 1 Vmag 9.2 Sp A2 PmNote *
PmRA 9 PmDE 0 Dm number +48 3492 Cat1 BD
Name2 +49 1861 Cat2 AGK2/3 HD M HD
ADS BDS B11238 M ADS BDS N IDS IDS 21410N4904B
HIC 107364
 
 
21448+4931 C
 
 
Coord arcsec 2000 214446.52+493113.3 Mag 14 PmRA 27.00 PmDE -1.0
Calc delta mag 5.37 Calc coord yes
CCDM
Ccdm 21448+4931 RComp B Comp C Note1
Note2 Discov num ARG 43 DRAs DDEs
R dRAs Year 1904 Theta 088 Rho 6.7
Obs 1 Vmag 14.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B11238 M ADS BDS N IDS IDS 21410N4904C
HIC 107364