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Doubles in session


Current system
20137+4050
DOO 13
HD 228446


Nearby doubles
5' : 20138+4055
TDT2106

8' : 20144+4048
TDT2113

11' : 20136+4040
TDT2104

13' : 20133+4038
GRV 324

20' : 20148+4035
TDT2118

24' : 20144+4112
TDT2112

26' : 20143+4115
COU2639

29' : 20155+4030
A 390

31' : 20111+4048
TDT2057

32' : 20151+4118
A 387AB

33' : 20110+4041
KPP1897

36' : 20158+4024
TDS1055

47' : 20169+4022
BU 661AB

47' : 20097+4046
BRT2254

50' : 20170+4017
CNT 5

50' : 20177+4030
HDS2897

51' : 20181+4044
STF2666AB

52' : 20163+4007
MLB1013

52' : 20171+4127
ARN 97

53' : 20176+4020
BRT2259

54' : 20090+4045
HJ 1487AB

56' : 20184+4033
ARN 49

57' : 20111+4131
HJ 1491

59' : 20181+4122
ES 1674

60' : 20097+4130
HDS2871

61' : 20107+4001
TDS1048



Selections
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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.

20137+4050 DOO 13 (HD 228446)

 
 
20h 13m 44.60s +40° 50' 19.2" P.A. 258.00 sep 3.0 mag 9.94,10.39 Sp B2I: dist. 4166.67 pc (13591.68 l.y.)
 
 
Coord 2000 20137+4050 Discov num DOO  13 Comp Coord arcsec 2000 20 13 44.60 +40 50 19.2
Date first 1900 Date last 2018 Obs 24
Pa first 258 Pa last 258.2 P.A. Now (θ) 258.2°
Sep first 2.8 Sep last 3.021 Sep. Now (ρ) 3.021"
Mag pri 9.94 Mag sec 10.39 delta mag (ΔM) 0.45 Spectral class B2I: (blue-white)
Pri motion ra -002 Sec motion ra -003
Pri motion dec -006 Sec motion dec -006
Notes N (See Notes)
rPM=0.149 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228446 Constellation Cygnus HIP 99688 Tycho2 3155-01471-1
Gaia DR2 2062582044472384512 HD 228446 ADS 13556 BD BD+40 4068
Distance 4166.67 Distance ly 13591.68
 
 
WDS 20137+4050 DOO 13 (HD 228446) : NOTES
 
 
discov_num notes refcode
DOO 13 A 1385.
 
 
REFERENCES
 
 
refcode metd author reference
Doo1901 Ma j Doolittle, E. 1901PFAO....1c...1D
Doo1901 Pub. Univ. Penn. 1, Pt. 3, 1901
Doo1903a Ma - Doolittle, E. 1903AJ.....23..175D
Doo1903a AJ 23, 175, 1903 (also in Pub. Univ. Penn. 2, Pt. 3, 1905)
Doo1903b Ma j Doolittle, E. 1903AJ.....23..177D
Doo1903b AJ 23, 177, 1903 (also in Pub. Univ. Penn. 2, Pt. 3, 1905)
Doo1905a Ma j Doolittle, E. 1905PFAO....2c...1D
Doo1905a Pub. Univ. Penn. 2, Pt. 3, 1905
Doo1905b Ma - Doolittle, E. (measure by Hadley, J.M.) 1905PFAO....2c...1D
Doo1905b Pub. Univ. Penn. 2, Pt. 3, 1905
Doo1906A Ma - Doolittle, E. 1906MmRAS..56....1L
Doo1906A +orb cited by Lewis (MemRAS 56, 1, 1906)
Doo1906B Ma - Doolittle, E. 1906QB821.B972.....
Doo1906B cited in BDS (Burnham Double Star Cat., 1906)
Doo1907 Ma j Doolittle, E. 1907PFAO....3c...1D
Doo1907 Pub. Univ. Penn. 3, Pt. 3, 1907
Doo1912 Ma j Doolittle, E. 1912PFAO....4a...1D
Doo1912 Pub. Univ. Penn. 4, Pt. 1, 1912
Doo1913A Ma - Doolittle, E. 1913QB811.B8.......
Doo1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Doo1915a Ma - Doolittle, E. 1915MNRAS..75..666D
Doo1915a MNRAS 75, 666, 1915
Doo1915b Ma - Doolittle, E. 1915PFAO....4a...1D
Doo1915b Pub. Univ. Penn. 4, Pt. 1, 1915
Doo1915c Ma - Doolittle, E. 1915AJ.....29...49D
Doo1915c AJ 29, 49, 1915
Doo1923 Ma j Doolittle, E. 1923PFAO....4b...1D
Doo1923 Pub. Univ. Penn. 4, Pt. 2, 1923
Doo1932A Ma - Doolittle, E. 1932QB821.A43......
Doo1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20137+4050 DOO 13 2001 20 258 3.0 9.94 10.39 D 201344.60+405019.2
20137+4050 DOO 13 2009 21 258 2.9 9.94 10.39 D 201344.60+405019.2
20137+4050 DOO 13 2015 23 258 2.9 9.94 10.39 B2I: N 201344.60+405019.2
20137+4050 DOO 13 2018 24 258 3.0 9.94 10.39 B2I: N 201344.60+405019.2

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

 
 
WDS 20137+4050 DOO 13 (HD 228446) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20137+4050 DOO 13 (HD 228446) : MEASURES
 
 
No records found.

 
 
WDS 20137+4050 (HD 228446) : VIRTUAL EYEPIECE
 
 

20137+4050 DOO 13A mag 9.94 Sp B2I: 20137+4050 DOO 13B sep 2.3 P.A. 254.60 mag 10.39 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 20137+4050 (HD 228446) : ALADIN DSS IMAGE @ 20h 13m 44.60s +40° 50' 19.2"
 
 
 
 
WDS 20137+4050 DOO 13 (HD 228446) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20137+4050 DOO 13 distance=0' 20138+4055 TDT2106 distance=5' 20144+4048 TDT2113 distance=8' 20136+4040 TDT2104 distance=11' 20133+4038 GRV 324 distance=13' 20148+4035 TDT2118 distance=20' 20144+4112 TDT2112 distance=24' 20143+4115 COU2639 distance=26' 20155+4030 A 390 distance=29' 20111+4048 TDT2057 distance=31' 20151+4118 A 387CD distance=32' 20151+4118 A 387AB distance=32' 20151+4118 A 387AC distance=32' 20110+4041 KPP1897 distance=33' 20158+4024 TDS1055 distance=36' 20169+4022 BU 661AB distance=47' 20169+4022 BU 661AC distance=47' 20097+4046 BRT2254 distance=47' 20170+4017 CNT 5 distance=50' 20177+4030 HDS2897 distance=50' 20181+4044 STF2666CD distance=50' 20181+4044 CHR 96Aa,Ab distance=51' 20181+4044 STF2666AB distance=51' 20181+4044 STF2666AC distance=51' 20181+4044 TAR 5AD distance=51' 20163+4007 MLB1013 distance=52' 20171+4127 ARN 97 distance=52' 20176+4020 BRT2259 distance=53' 20090+4045 HJ 1487AB distance=54' 20090+4045 OPI9003AC distance=54' 20184+4033 ARN 49 distance=56' 20111+4131 HJ 1491 distance=57' 20181+4122 ES 1674 distance=59' 20097+4130 HDS2871 distance=60' 20107+4001 TDS1048 distance=61' 20187+4113 COU2640 distance=61' 20185+4123 TDT2154 distance=63' 20096+4009 COU2414 distance=64' 20197+4108 STTA205 distance=71' 20186+4136 ES 1675 distance=72' 20178+3956 HJ 2951AB distance=72' 20178+3956 FOX9014AC distance=72' 20124+3940 TDT2083 distance=73' 20097+4149 TDT2037 distance=74' 20099+3951 ALI1135 distance=75' 20121+3938 SEI 997 distance=76' 20168+4158 ES 1568BC distance=76' 20168+4158 ES 1568AB distance=76' 20158+3937 ES 1974 distance=76' 20144+4206 STT 403AB distance=77' 20144+4206 STF2657AC distance=77' 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 20137+4050 DOO 13 258 3.0
Show 20138+4055 TDT2106 358 0.5 5
Show 20144+4048 TDT2113 181 0.5 8
Show 20136+4040 TDT2104 161 0.9 11
Show 20133+4038 GRV 324 252 7.7 13
Show 20148+4035 TDT2118 312 0.4 20
Show 20144+4112 TDT2112 64 0.6 24
Show 20143+4115 COU2639 244 0.4 26
Show 20155+4030 A 390 328 0.8 29
Show 20111+4048 TDT2057 14 1.3 31
Show 20151+4118 A 387 CD 19 9.0 32
Show 20151+4118 A 387 AB 151 5.1 32
Show 20151+4118 A 387 AC 222 21.6 32
Show 20110+4041 KPP1897 323 14.9 33
Show 20158+4024 TDS1055 163 0.9 36
Show 20169+4022 BU 661 AB 69 12.3 47
Show 20169+4022 BU 661 AC 217 111.7 47
Show 20097+4046 BRT2254 72 3.6 47
Show 20170+4017 CNT 5 331 5.9 50
Show 20177+4030 HDS2897 273 0.3 50
Show 20181+4044 STF2666 CD 142 24.1 50
Show 20181+4044 CHR 96 Aa,Ab 151 0.1 51
Show 20181+4044 STF2666 AB 245 2.8 51
Show 20181+4044 STF2666 AC 207 34.0 51
Show 20181+4044 TAR 5 AD 181 49.6 51
Show 20163+4007 MLB1013 160 4.0 52
Show 20171+4127 ARN 97 220 12.8 52
Show 20176+4020 BRT2259 29 1.4 53
Show 20090+4045 HJ 1487 AB 298 14.3 54
Show 20090+4045 OPI9003 AC 195 60.1 54
Show 20184+4033 ARN 49 313 30.2 56
Show 20111+4131 HJ 1491 297 4.8 57
Show 20181+4122 ES 1674 125 4.9 59
Show 20097+4130 HDS2871 228 0.2 60
Show 20107+4001 TDS1048 339 1.1 61
Show 20187+4113 COU2640 265 0.5 61
Show 20185+4123 TDT2154 311 0.5 63
Show 20096+4009 COU2414 159 0.3 64
Show 20197+4108 STTA205 321 45.5 71
Show 20186+4136 ES 1675 324 2.2 72
Show 20178+3956 HJ 2951 AB 125 10.8 72
Show 20178+3956 FOX9014 AC 61 24.4 72
Show 20124+3940 TDT2083 350 1.1 73
Show 20097+4149 TDT2037 21 2.8 74
Show 20099+3951 ALI1135 200 13.1 75
Show 20121+3938 SEI 997 146 10.3 76
Show 20168+4158 ES 1568 BC 187 2.3 76
Show 20168+4158 ES 1568 AB 292 12.8 76
Show 20158+3937 ES 1974 160 2.9 76
Show 20144+4206 STT 403 AB 170 0.9 77
Show 20144+4206 STF2657 AC 32 11.6 77

 
 
WDS 20137+4050 : COMPONENTS
 
 
  A
B pa=254.6°
sep=2.32"
 
 
20137+4050 A
 
 
Componente originario normalizzato AB Name HD 228446 Coord arcsec 2000 201344.60+405019.2 Mag 9.94
Spectral class B2I: (blue-white) PmRA -2.00 PmDE -6.0 HIP 99688
Tycho2 3155-01471-1 HD 228446 ADS 13556 BD BD+40 4068
Tycho2
Tycho2 3155-01471-1 Pflag P RAmdeg 303.43583248 DEmdeg 40.83867861
PmRA 2.3 PmDE -6.9 E RAmdeg 15 E DEmdeg 15
E pmRA 1.5 E pmDE 1.3 EpRAm 1990.53 EpDEm 1990.36
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.7 BTmag 10.224 E BTmag 0.025 VTmag 9.937
E VTmag 0.025 Prox 30 TYC T HIP 99688
CCDM A RAdeg 303.43621056 DEdeg 40.83875528 EpRA 1990 1.60
EpDE 1990 1.66 E RAdeg 15.4 E DEdeg 14.5 Posflg D
Corr 0.0
Hipparcos
Catalog H HIP 99688 Proxy H RAhms 20 13 44.69
DEdms +40 50 19.5 Vmag 9.36 VarFlag R Vmag H
RAdeg 303.436 DEdeg 40.8388 AstroRef A Plx 0.98
CCDM 20137+4050 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 258 Rho 2.923 HD 228446 BD BD+40 4068
CD CP Dm number +40 4068 VIred 0.35
SpType B3 R SpType Coord arcsec 2000 201344.69+405019.5
Hipparcos 2
HIP 99688 Sn 15 So 3 Nc 2
RArad 5.2959609273 DErad 0.7127707245 Plx -0.24 PmRA -1.82
PmDE -8.74 E RArad 1.1 E DErad 1.11 E Plx 1.38
E pmRA 1.27 E pmDE 1.33 Hpmag 9.4364 E Hpmag 0.0019
SHp 0.02 VA 0 BV 0.281 E BV 0.027
VI 0.32
CCDM
Ccdm 20137+4050 RComp Comp A Note1
Note2 Discov num DRAs 2.61 DDEs 19.3
R dRAs 21 Year Theta Rho
Obs 2 Vmag 9.8 Sp B3 PmNote
PmRA PmDE Dm number +40 4068 Cat1 BD
Name2 Cat2 HD 228446 M HD
ADS BDS A13556 M ADS BDS N IDS IDS 20102N4032A
HIC 99688
 
 
20137+4050 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201344.40+405018.6 Mag 10.39 PmRA -3.00
PmDE -6.0 Tycho2 3155-01471-2 Calc delta mag 0.45 Calc coord yes
Tycho2
Tycho2 3155-01471-2 Pflag P RAmdeg 303.43583248 DEmdeg 40.83867861
PmRA 2.3 PmDE -6.9 E RAmdeg 15 E DEmdeg 15
E pmRA 1.5 E pmDE 1.3 EpRAm 1990.53 EpDEm 1990.36
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.7 BTmag 10.567 E BTmag 0.032 VTmag 10.390
E VTmag 0.036 Prox 30 TYC T HIP 99688
CCDM B RAdeg 303.43514917 DEdeg 40.83858806 EpRA 1990 1.62
EpDE 1990 1.66 E RAdeg 21.3 E DEdeg 19.9 Posflg D
Corr 0.0
CCDM
Ccdm 20137+4050 RComp Comp B Note1
Note2 Discov num DOO 13 DRAs DDEs
R dRAs Year 1900 Theta 258 Rho 2.8
Obs 12 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13556 M ADS BDS N IDS IDS 20102N4032B
HIC 99688