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Doubles in session


Current system
20090+2841
DA 12
HD 191445


Nearby doubles
3' : 20088+2842
TDT2019

5' : 20085+2842
MLB 529

21' : 20105+2841
TDT2048

21' : 20075+2850
TDT1998

28' : 20110+2834
COU1323

34' : 20067+2856
MLB 704

35' : 20115+2846
MLB 530

38' : 20061+2839
TDT1976

39' : 20098+2805
TDT2038

44' : 20103+2920
BAC 1

44' : 20114+2910
A 1200

44' : 20105+2920
BRT 46AB

45' : 20122+2829
MLB 660

47' : 20123+2824
TDT2081

50' : 20054+2857
TDT1963

51' : 20124+2856
MLB 531

52' : 20102+2930
TDT2041

53' : 20124+2908
A 1201

54' : 20090+2748
MLB 705

54' : 20110+2928
TDT2056

60' : 20062+2755
J 3051

60' : 20064+2752
TDT1982

61' : 20068+2748
TDT1987

61' : 20124+2923
AG 401

62' : 20064+2750
MLB 703

63' : 20101+2941
TDT2039



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.

20090+2841 DA 12 (HD 191445)

 
 
20h 08m 57.14s +28° 41' 03.7" P.A. 88.00 sep 26.2 mag 8.08,12.40 Sp K4III dist. 367.65 pc (1199.27 l.y.)
 
 
Coord 2000 20090+2841 Discov num DA   12 Comp Coord arcsec 2000 20 08 57.14 +28 41 03.7
Date first 1907 Date last 2015 Obs 8
Pa first 101 Pa last 88.2 P.A. Now (θ) 88.2°
Sep first 28.3 Sep last 26.176 Sep. Now (ρ) 26.176"
Mag pri 8.08 Mag sec 12.40 delta mag (ΔM) 4.32 Spectral class K4III (yellow-orange)
Pri motion ra -013 Sec motion ra
Pri motion dec -024 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 191445 Constellation Vulpecula SAO 88251 HIP 99258
Tycho2 2166-01137-1 Gaia DR2 2029060580641942784 HD 191445 BD BD+28 3639
Distance 367.65 Distance ly 1199.27
 
 
WDS 20090+2841 DA 12 (HD 191445) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Da_1831 Ma j Dawes, W.R. 1831MNRAS...2...34D
Da_1831 MNRAS 2, 34, 1831
Da_1835 Ma - Dawes, W.R. 1835MmRAS...8...61D
Da_1835 MemRAS 8, 61, 1835
Da_1840 Ma - Dawes, W.R. 1840MNRAS...5...61D
Da_1840 MNRAS 5, 61, 1840
Da_1844A Ma - Dawes, W.R. 1844QB43.S66.......
Da_1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
Da_1848 Ma - Dawes, W.R. 1848MNRAS...8...53D
Da_1848 MNRAS 8, 53, 1848
Da_1850 - Dawes, W.R. 1850MNRAS..10..174D
Da_1850 MNRAS 10, 174, 1850
Da_1851 Ma - Dawes, W.R. 1851MmRAS..19..191D
Da_1851 +Mb MemRAS 19, 191, 1851
Da_1852 Ma - Dawes, W.R. .
Da_1852 Bishop Obs. Astron. Observations 1852 (most data published in Da_1867) 1867MmRAS..35..137D
Da_1855 - Dawes, W.R. 1855MNRAS..15..189D
Da_1855 MNRAS 15, 189, 1855
Da_1857 Ma - Dawes, W.R. 1857MNRAS..17..257C
Da_1857 MNRAS 17, 257, 1857
Da_1858 - Dawes, W.R. 1858MNRAS..18...58D
Da_1858 MNRAS 18, 58, 1858
Da_1859 Ma - Dawes, W.R. 1859MNRAS..20...55C
Da_1859 MNRAS 20, 55, 1859
Da_1862 Ma - Dawes, W.R. 1862MNRAS..23...34D
Da_1862 MNRAS 23, 34, 1862
Da_1864a Ma j Dawes, W.R. 1864MNRAS..24..144D
Da_1864a MNRAS 24, 144, 1864
Da_1864b - Dawes, W.R. 1864MNRAS..24..117D
Da_1864b MNRAS 24, 117, 1864
Da_1864c - Dawes, W.R. 1864MNRAS..24..196D
Da_1864c MNRAS 24, 196, 1864
Da_1867 Ma j Dawes, W.R. 1867MmRAS..35..137D
Da_1867 MemRAS 35, 137, 1867
Da_1875A Ma - Dawes, W.R. 1875AN.....85..323D
Da_1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
Da_1879A Ma - Dawes, W.R. 1879Obs.....3..200G
Da_1879A cited by Gledhill (Obs 3, 200, 1879)
Da_1905A Ma - Dawes, W.R. 1905LicOB...3..147A
Da_1905A cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
Da_1906A Ma - Dawes, W.R. 1906MmRAS..56....1L
Da_1906A cited by Lewis (MemRAS 56, 1, 1906)
Da_1913A Ma - Dawes, W.R. 1913QB811.B8.......
Da_1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Da_1937A Ma - Dawes, W.R. 1937AnLei..18....1S
Da_1937A 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
20090+2841 DA 12 1991 2 90 12.5 8.04 8.15 K4III 200857.14+284103.7
20090+2841 DA 12 2010 3 89 26.2 8.04 8.15 K4III 200857.14+284103.7
20090+2841 DA 12 2015 4 88 26.2 8.08 12.40 K4III 200857.14+284103.7

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

 
 
WDS 20090+2841 DA 12 (HD 191445) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20090+2841 DA 12 (HD 191445) : MEASURES
 
 
No records found.

 
 
WDS 20090+2841 (HD 191445) : VIRTUAL EYEPIECE
 
 

20090+2841 DA 12A mag 8.08 Sp K4III 20090+2841 DA 12B sep 23.0 P.A. 87.90 mag 12.4 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 20090+2841 (HD 191445) : ALADIN DSS IMAGE @ 20h 08m 57.14s +28° 41' 03.7"
 
 
 
 
WDS 20090+2841 DA 12 (HD 191445) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20090+2841 DA 12 distance=0' 20088+2842 TDT2019 distance=3' 20085+2842 MLB 529 distance=5' 20105+2841 TDT2048 distance=21' 20075+2850 TDT1998 distance=21' 20110+2834 COU1323 distance=28' 20067+2856 MLB 704 distance=34' 20115+2846 MLB 530 distance=35' 20061+2839 TDT1976 distance=38' 20098+2805 TDT2038 distance=39' 20103+2920 BAC 1 distance=44' 20114+2910 A 1200 distance=44' 20105+2920 BRT 46AB distance=44' 20105+2920 MLB 477AC distance=44' 20122+2829 MLB 660 distance=45' 20105+2920 HDS2874Ca,Cb distance=46' 20123+2824 TDT2081 distance=47' 20054+2857 TDT1963 distance=50' 20124+2856 MLB 531 distance=51' 20102+2930 TDT2041 distance=52' 20124+2908 A 1201 distance=53' 20090+2748 MLB 705 distance=54' 20110+2928 TDT2056 distance=54' 20062+2755 J 3051 distance=60' 20064+2752 TDT1982 distance=60' 20068+2748 TDT1987 distance=61' 20129+2913 HJ 1492A,BC distance=61' 20124+2923 AG 401 distance=61' 20064+2750 MLB 703 distance=62' 20129+2913 A 1203BC distance=62' 20101+2941 TDT2039 distance=63' 20053+2756 MLB 606 distance=66' 20134+2910 TDT2100 distance=66' 20140+2859 TDS1052 distance=69' 20083+2950 A 1198AB distance=70' 20042+2912 TDT1948 distance=70' 20115+2740 TDT2067 distance=70' 20050+2936 GRV 310 distance=76' 20058+2946 A 1197 distance=77' 20149+2840 HO 122AB distance=78' 20149+2840 HO 122AC distance=78' 20145+2808 BRT 47AB distance=84' 20145+2808 BRT 47AC distance=84' 20134+2941 MLB 661 distance=85' 20090+2718 BRT 210 distance=85' 20082+2715 COU1167 distance=86' 20026+2859 ES 496 distance=86' 20109+2719 TDT2055 distance=87' 20025+2836 J 3045 distance=87' 20139+2942 TOB 180 distance=89' 20025+2814 TDT1928 distance=90' 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 20090+2841 DA 12 88 26.2
Show 20088+2842 TDT2019 95 0.9 3
Show 20085+2842 MLB 529 57 4.7 5
Show 20105+2841 TDT2048 136 0.6 21
Show 20075+2850 TDT1998 4 0.6 21
Show 20110+2834 COU1323 334 0.8 28
Show 20067+2856 MLB 704 116 2.9 34
Show 20115+2846 MLB 530 32 7.9 35
Show 20061+2839 TDT1976 149 0.5 38
Show 20098+2805 TDT2038 233 0.6 39
Show 20103+2920 BAC 1 45 16.5 44
Show 20114+2910 A 1200 197 5.4 44
Show 20105+2920 BRT 46 AB 79 5.3 44
Show 20105+2920 MLB 477 AC 24 113.7 44
Show 20122+2829 MLB 660 290 6.2 45
Show 20105+2920 HDS2874 Ca,Cb 251 0.4 46
Show 20123+2824 TDT2081 157 0.5 47
Show 20054+2857 TDT1963 194 2.3 50
Show 20124+2856 MLB 531 195 1.7 51
Show 20102+2930 TDT2041 189 1.2 52
Show 20124+2908 A 1201 158 0.3 53
Show 20090+2748 MLB 705 167 2.4 54
Show 20110+2928 TDT2056 358 1.5 54
Show 20062+2755 J 3051 348 3.1 60
Show 20064+2752 TDT1982 134 2.2 60
Show 20068+2748 TDT1987 228 0.5 61
Show 20129+2913 HJ 1492 A,BC 54 18.7 61
Show 20124+2923 AG 401 306 4.0 61
Show 20064+2750 MLB 703 222 2.2 62
Show 20129+2913 A 1203 BC 176 0.4 62
Show 20101+2941 TDT2039 177 0.4 63
Show 20053+2756 MLB 606 36 7.4 66
Show 20134+2910 TDT2100 98 0.7 66
Show 20140+2859 TDS1052 164 1.6 69
Show 20083+2950 A 1198 AB 229 1.5 70
Show 20042+2912 TDT1948 223 2.1 70
Show 20115+2740 TDT2067 344 0.7 70
Show 20050+2936 GRV 310 1 45.4 76
Show 20058+2946 A 1197 331 0.8 77
Show 20149+2840 HO 122 AB 72 1.4 78
Show 20149+2840 HO 122 AC 152 19.9 78
Show 20145+2808 BRT 47 AB 232 4.8 84
Show 20145+2808 BRT 47 AC 215 40.4 84
Show 20134+2941 MLB 661 167 3.9 85
Show 20090+2718 BRT 210 29 5.2 85
Show 20082+2715 COU1167 239 2.0 86
Show 20026+2859 ES 496 277 2.7 86
Show 20109+2719 TDT2055 349 2.5 87
Show 20025+2836 J 3045 263 5.2 87
Show 20139+2942 TOB 180 299 23.4 89
Show 20025+2814 TDT1928 339 0.9 90

 
 
WDS 20090+2841 : COMPONENTS
 
 
  A
B pa=87.9°
sep=22.97"
 
 
20090+2841 A
 
 
Componente originario normalizzato AB Name HD 191445 Coord arcsec 2000 200857.14+284103.7 Mag 8.08
Spectral class K4III (yellow-orange) PmRA -13.00 PmDE -24.0 SAO 88251
HIP 99258 Tycho2 2166-01137-1 HD 191445 BD BD+28 3639
Tycho2
Tycho2 2166-01137-1 Pflag RAmdeg 302.23804558 DEmdeg 28.68429379
PmRA -15.3 PmDE -24.2 E RAmdeg 6 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.98 EpDEm 1991.37
Num 11 Q RAmdeg 0.5 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.8 BTmag 9.870 E BTmag 0.020 VTmag 8.084
E VTmag 0.011 Prox 955 TYC T HIP 99258
CCDM RAdeg 302.23808639 DEdeg 28.68434889 EpRA 1990 1.55
EpDE 1990 1.75 E RAdeg 5.6 E DEdeg 4.9 Posflg
Corr 0.2
SAO
SAO 88251 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 -0.027 Vmag 8.3 SpType K5
Double code Source 34 CatNum 10899 DM BD+28 3639
DMcomp BDsup HD 191445 M HD 0
GC RA1950rad 5.26611818 DE1950rad 0.49806716 PmRA2000 -0.0004
PmDE2000 -0.03
Hipparcos
Catalog H HIP 99258 Proxy RAhms 20 08 57.14
DEdms +28 41 03.7 Vmag 7.91 VarFlag R Vmag H
RAdeg 302.238 DEdeg 28.6844 AstroRef Plx 2.56
CCDM 20090+2841 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 191445 BD BD+28 3639
CD CP Dm number +28 3639 VIred 1.47
SpType K4III R SpType Coord arcsec 2000 200857.14+284103.7
Hipparcos 2
HIP 99258 Sn 5 So 0 Nc 1
RArad 5.27504984 DErad 0.5006364259 Plx 2.72 PmRA -14.28
PmDE -22.79 E RArad 0.45 E DErad 0.69 E Plx 1.08
E pmRA 0.55 E pmDE 0.66 Hpmag 8.0443 E Hpmag 0.0011
SHp 0.016 VA 0 BV 1.537 E BV 0.134
VI 1.47
CCDM
Ccdm 20090+2841 RComp Comp A Note1
Note2 Discov num DRAs -2.82 DDEs 3.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp K5 PmNote *
PmRA -3 PmDE -23 Dm number +28 3639 Cat1 BD
Name2 +28 2175 Cat2 AGK2/3 HD 191445 M HD
ADS BDS B 9942 M ADS BDS N IDS IDS 20048N2824A
HIC 99258
 
 
20090+2841 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200858.88+284104.5 Mag 12.4 Calc delta mag 4.32
Calc coord yes
CCDM
Ccdm 20090+2841 RComp Comp B Note1
Note2 Discov num DA 12 DRAs DDEs
R dRAs Year Theta 090 Rho 12.0
Obs 1 Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 9942 M ADS BDS N N IDS IDS 20048N2824B
HIC 99261