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Doubles in session


Current system
20051+0435
HJ 2926
HD 190496


Nearby doubles
5' : 20053+0433
J 3206

7' : 20049+0429
TDT1956

10' : 20057+0434
J 603

15' : 20043+0425
A 2277

20' : 20041+0449
HJ 2925

21' : 20064+0433
BAL2961

30' : 20032+0444
HDS2860

31' : 20058+0504
BAL2960

34' : 20041+0404
J 2296

42' : 20077+0446
STF2627AB

44' : 20037+0513
GWP2919

56' : 20023+0512
J 1292AB

65' : 20094+0428
UC 4105

65' : 20056+0330
NSN 728

72' : 20051+0547
A 608

77' : 20077+0327
HJ 2930

80' : 20049+0554
HEI 578

81' : 20001+0405
KPP3351

81' : 20047+0555
HEI 577

84' : 20106+0428
UC 4113

84' : 20042+0312
TDT1949

89' : 20004+0530
HJ 2919

92' : 20065+0305
BAL2015

94' : 20001+0338
A 2393

95' : 20025+0601
J 1294

95' : 20113+0425
J 2300



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.

20051+0435 HJ 2926 (HD 190496)

 
 
20h 05m 03.50s +04° 34' 39.8" P.A. 346.00 sep 17.9 mag 9.62,12.26 Sp M
 
 
Coord 2000 20051+0435 Discov num HJ 2926 Comp Coord arcsec 2000 20 05 03.50 +04 34 39.8
Date first 1830 Date last 2015 Obs 10
Pa first 346 Pa last 345.6 P.A. Now (θ) 345.6°
Sep first 18.0 Sep last 17.862 Sep. Now (ρ) 17.862"
Mag pri 9.62 Mag sec 12.26 delta mag (ΔM) 2.64 Spectral class M (red)
Pri motion ra +002 Sec motion ra +000
Pri motion dec -015 Sec motion dec -009
Notes
rPM=0.418
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 190496 Constellation Aquila Tycho2 0502-00988-1 Gaia DR2 4247811170736733440
HD 190496
 
 
WDS 20051+0435 HJ 2926 (HD 190496) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20051+0435 HJ 2926 2007 5 345 17.7 9.62 10.90 M 200503.50+043439.8
20051+0435 HJ 2926 2015 7 346 17.9 9.62 12.26 M 200503.50+043439.8

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

 
 
WDS 20051+0435 HJ 2926 (HD 190496) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20051+0435 HJ 2926 (HD 190496) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 15/10/26 g.locatelli mean difficulty 17.86 0.10 345.62 0.30 4.30 1 Rc mag A 7.9 B 12.2
 
 
WDS 20051+0435 (HD 190496) : VIRTUAL EYEPIECE
 
 

20051+0435 HJ 2926A mag 9.62 Sp M 20051+0435 HJ 2926B sep 17.9 P.A. 345.60 mag 12.26 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 20051+0435 (HD 190496) : ALADIN DSS IMAGE @ 20h 05m 03.50s +04° 34' 39.8"
 
 
 
 
WDS 20051+0435 HJ 2926 (HD 190496) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20051+0435 HJ 2926 distance=1' 20053+0433 J 3206 distance=5' 20049+0429 TDT1956 distance=7' 20057+0434 J 603 distance=10' 20043+0425 A 2277 distance=15' 20041+0449 HJ 2925 distance=20' 20064+0433 BAL2961 distance=21' 20032+0444 HDS2860 distance=30' 20058+0504 BAL2960 distance=31' 20041+0404 J 2296 distance=34' 20077+0446 STF2627AB distance=42' 20077+0446 STF2627AC distance=42' 20077+0446 ARN 20AD distance=42' 20037+0513 GWP2919 distance=44' 20023+0512 J 1292AB distance=56' 20023+0512 J 1292AC distance=56' 20094+0428 UC 4105 distance=65' 20056+0330 NSN 728 distance=65' 20051+0547 A 608 distance=72' 20077+0327 HJ 2930 distance=77' 20049+0554 HEI 578 distance=80' 20001+0405 KPP3351 distance=81' 20047+0555 HEI 577 distance=81' 20106+0428 UC 4113 distance=84' 20042+0312 TDT1949 distance=84' 20004+0530 HJ 2919 distance=89' 20065+0305 BAL2015 distance=92' 20001+0338 A 2393 distance=94' 20025+0601 J 1294 distance=95' 20113+0425 J 2300 distance=95' 20018+0311 HJ 2920 distance=98' 20104+0330 BAL2527 distance=104' 20051+0621 TDT1957 distance=106' 19585+0519 TDT1890 distance=107' 19580+0456 A 606 distance=107' 20020+0257 HEI 818 distance=109' 20119+0348 STF2641 distance=113' 19576+0425 BAL2957 distance=113' 19577+0457 TDT1878 distance=113' 20117+0335 UC 4117 distance=117' 20004+0303 J 2567AB distance=117' 20004+0303 J 2567BC distance=118' 19576+0517 BAL3015 distance=120' 19573+0513 A 604 distance=122' 20008+0619 BRT2185 distance=122' 19578+0335 J 2293 distance=124' 20084+0628 J 547 distance=125' 19575+0527 HEI 817 distance=125' 20135+0440 J 550 distance=126' 20114+0559 J 1339 distance=127' 19581+0548 A 607 distance=127' 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 20051+0435 HJ 2926 346 17.9 1
Show 20053+0433 J 3206 110 5.8 5
Show 20049+0429 TDT1956 297 0.5 7
Show 20057+0434 J 603 127 3.0 10
Show 20043+0425 A 2277 349 1.8 15
Show 20041+0449 HJ 2925 243 31.0 20
Show 20064+0433 BAL2961 252 9.3 21
Show 20032+0444 HDS2860 342 0.2 30
Show 20058+0504 BAL2960 316 19.7 31
Show 20041+0404 J 2296 283 8.8 34
Show 20077+0446 STF2627 AB 32 2.0 42
Show 20077+0446 STF2627 AC 261 82.2 42
Show 20077+0446 ARN 20 AD 127 99.4 42
Show 20037+0513 GWP2919 61 5.7 44
Show 20023+0512 J 1292 AB 92 4.4 56
Show 20023+0512 J 1292 AC 59 26.5 56
Show 20094+0428 UC 4105 342 31.1 65
Show 20056+0330 NSN 728 127 8.0 65
Show 20051+0547 A 608 19 1.4 72
Show 20077+0327 HJ 2930 156 28.3 77
Show 20049+0554 HEI 578 20 6.2 80
Show 20001+0405 KPP3351 280 1.9 81
Show 20047+0555 HEI 577 178 2.5 81
Show 20106+0428 UC 4113 45 43.8 84
Show 20042+0312 TDT1949 272 0.5 84
Show 20004+0530 HJ 2919 344 11.4 89
Show 20065+0305 BAL2015 346 12.4 92
Show 20001+0338 A 2393 6 0.1 94
Show 20025+0601 J 1294 27 3.3 95
Show 20113+0425 J 2300 300 4.1 95
Show 20018+0311 HJ 2920 165 7.4 98
Show 20104+0330 BAL2527 197 6.1 104
Show 20051+0621 TDT1957 234 0.8 106
Show 19585+0519 TDT1890 253 0.8 107
Show 19580+0456 A 606 168 0.6 107
Show 20020+0257 HEI 818 24 2.1 109
Show 20119+0348 STF2641 168 20.7 113
Show 19576+0425 BAL2957 191 13.4 113
Show 19577+0457 TDT1878 140 0.9 113
Show 20117+0335 UC 4117 298 41.9 117
Show 20004+0303 J 2567 AB 158 81.0 117
Show 20004+0303 J 2567 BC 295 2.2 118
Show 19576+0517 BAL3015 306 12.8 120
Show 19573+0513 A 604 350 0.1 122
Show 20008+0619 BRT2185 51 3.8 122
Show 19578+0335 J 2293 44 4.5 124
Show 20084+0628 J 547 92 4.4 125
Show 19575+0527 HEI 817 340 4.7 125
Show 20135+0440 J 550 141 4.2 126
Show 20114+0559 J 1339 13 2.6 127
Show 19581+0548 A 607 81 0.2 127

 
 
WDS 20051+0435 : COMPONENTS
 
 
  A
B pa=345.6°
sep=17.86"
 
 
20051+0435 A
 
 
Componente originario normalizzato AB Name HD 190496 Coord arcsec 2000 200503.50+043439.8 Mag 9.62
Spectral class M (red) PmRA 2.00 PmDE -15.0 Tycho2 0502-00988-1
HD 190496
Tycho2
Tycho2 0502-00988-1 Pflag RAmdeg 301.26458442 DEmdeg 4.57772899
PmRA 0.9 PmDE -15.3 E RAmdeg 18 E DEmdeg 19
E pmRA 1.4 E pmDE 1.4 EpRAm 1988.97 EpDEm 1988.09
Num 8 Q RAmdeg 1.1 Q DEmdeg 1.4 Q pmRA 1.1
Q pmDE 1.4 BTmag 11.238 E BTmag 0.058 VTmag 9.616
E VTmag 0.024 Prox 999 TYC T HIP
CCDM RAdeg 301.26458222 DEdeg 4.57776194 EpRA 1990 1.48
EpDE 1990 1.40 E RAdeg 18.8 E DEdeg 20.4 Posflg
Corr -0.2
CCDM
Ccdm 20051+0435 RComp Comp A Note1
Note2 Discov num DRAs -2.60 DDEs -21.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.1 Sp M2 PmNote *
PmRA -10 PmDE -30 Dm number +04 4335 Cat1 BD
Name2 +04 2663 Cat2 AGK2/3 HD 190496 M HD
ADS BDS B 9869 M ADS BDS N IDS IDS 20001N0418A
HIC
 
 
20051+0435 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200503.20+043457.1 Mag 12.26 PmRA 0.00
PmDE -9.0 Calc delta mag 2.64 Calc coord yes
CCDM
Ccdm 20051+0435 RComp Comp B Note1
Note2 Discov num HJ 2926 DRAs DDEs
R dRAs Year 1908 Theta 345 Rho 17.2
Obs 2 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 9869 M ADS BDS N IDS IDS 20001N0418B
HIC