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Doubles in session


Current system
20041+0449
HJ 2925
HD 190280


Nearby doubles
15' : 20032+0444
HDS2860

20' : 20051+0435
HJ 2926

24' : 20049+0429
TDT1956

24' : 20053+0433
J 3206

25' : 20043+0425
A 2277

26' : 20037+0513
GWP2919

28' : 20057+0434
J 603

29' : 20058+0504
BAL2960

36' : 20023+0512
J 1292AB

38' : 20064+0433
BAL2961

45' : 20041+0404
J 2296

54' : 20077+0446
STF2627AB

60' : 20051+0547
A 608

67' : 20049+0554
HEI 578

67' : 20047+0555
HEI 577

69' : 20004+0530
HJ 2919

76' : 20001+0405
KPP3351

77' : 20025+0601
J 1294

81' : 20094+0428
UC 4105

82' : 20056+0330
NSN 728

89' : 19585+0519
TDT1890

92' : 19580+0456
A 606

93' : 20051+0621
TDT1957

93' : 20001+0338
A 2393

97' : 20077+0327
HJ 2930

97' : 20042+0312
TDT1949



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.

20041+0449 HJ 2925 (HD 190280)

 
 
20h 04m 07.95s +04° 49' 03.3" P.A. 243.00 sep 31.0 mag 8.72,11.85 Sp K5
 
 
Coord 2000 20041+0449 Discov num HJ 2925 Comp Coord arcsec 2000 20 04 07.95 +04 49 03.3
Date first 1830 Date last 2015 Obs 10
Pa first 243 Pa last 243.4 P.A. Now (θ) 243.4°
Sep first 25.0 Sep last 31.021 Sep. Now (ρ) 31.021"
Mag pri 8.72 Mag sec 11.85 delta mag (ΔM) 3.13 Spectral class K5 (yellow-orange)
Pri motion ra +002 Sec motion ra -008
Pri motion dec -014 Sec motion dec -010
Notes
rPM=0.762
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 190280 Constellation Aquila SAO 125402 Tycho2 0502-01697-1
Gaia DR2 4247833092243795584 HD 190280
 
 
WDS 20041+0449 HJ 2925 (HD 190280) : 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
20041+0449 HJ 2925 2000 4 243 31.3 8.72 12.20 K5 D 200407.95+044903.3
20041+0449 HJ 2925 2010 6 243 31.0 8.72 11.85 K5 200407.95+044903.3
20041+0449 HJ 2925 2015 7 243 31.0 8.72 11.85 K5 200407.95+044903.3

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

 
 
WDS 20041+0449 HJ 2925 (HD 190280) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20041+0449 HJ 2925 (HD 190280) : MEASURES
 
 
No records found.

 
 
WDS 20041+0449 (HD 190280) : VIRTUAL EYEPIECE
 
 

20041+0449 HJ 2925A mag 8.72 Sp K5 20041+0449 HJ 2925B sep 30.9 P.A. 243.30 mag 11.85 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 20041+0449 (HD 190280) : ALADIN DSS IMAGE @ 20h 04m 07.95s +04° 49' 03.3"
 
 
 
 
WDS 20041+0449 HJ 2925 (HD 190280) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20041+0449 HJ 2925 distance=0' 20032+0444 HDS2860 distance=15' 20051+0435 HJ 2926 distance=20' 20049+0429 TDT1956 distance=24' 20053+0433 J 3206 distance=24' 20043+0425 A 2277 distance=25' 20037+0513 GWP2919 distance=26' 20057+0434 J 603 distance=28' 20058+0504 BAL2960 distance=29' 20023+0512 J 1292AB distance=36' 20023+0512 J 1292AC distance=36' 20064+0433 BAL2961 distance=38' 20041+0404 J 2296 distance=45' 20077+0446 STF2627AB distance=54' 20077+0446 STF2627AC distance=54' 20077+0446 ARN 20AD distance=54' 20051+0547 A 608 distance=60' 20049+0554 HEI 578 distance=67' 20047+0555 HEI 577 distance=67' 20004+0530 HJ 2919 distance=69' 20001+0405 KPP3351 distance=76' 20025+0601 J 1294 distance=77' 20094+0428 UC 4105 distance=81' 20056+0330 NSN 728 distance=82' 19585+0519 TDT1890 distance=89' 19580+0456 A 606 distance=92' 20051+0621 TDT1957 distance=93' 20001+0338 A 2393 distance=93' 20077+0327 HJ 2930 distance=97' 20042+0312 TDT1949 distance=97' 19577+0457 TDT1878 distance=98' 20106+0428 UC 4113 distance=100' 19576+0425 BAL2957 distance=101' 19576+0517 BAL3015 distance=102' 20008+0619 BRT2185 distance=103' 20018+0311 HJ 2920 distance=105' 19573+0513 A 604 distance=105' 19575+0527 HEI 817 distance=107' 19581+0548 A 607 distance=108' 20065+0305 BAL2015 distance=110' 19570+0514 BAL2956 distance=111' 20113+0425 J 2300 distance=111' 20063+0639 J 1337 distance=116' 20020+0257 HEI 818 distance=117' 20084+0628 J 547 distance=119' 19562+0451 BAL2955 distance=119' 19562+0456 HEI 575 distance=119' 19578+0335 J 2293 distance=120' 20004+0303 J 2567AB distance=122' 20004+0303 J 2567BC distance=123' 20104+0330 BAL2527 distance=124' 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 20041+0449 HJ 2925 243 31.0
Show 20032+0444 HDS2860 342 0.2 15
Show 20051+0435 HJ 2926 346 17.9 20
Show 20049+0429 TDT1956 297 0.5 24
Show 20053+0433 J 3206 110 5.8 24
Show 20043+0425 A 2277 349 1.8 25
Show 20037+0513 GWP2919 61 5.7 26
Show 20057+0434 J 603 127 3.0 28
Show 20058+0504 BAL2960 316 19.7 29
Show 20023+0512 J 1292 AB 92 4.4 36
Show 20023+0512 J 1292 AC 59 26.5 36
Show 20064+0433 BAL2961 252 9.3 38
Show 20041+0404 J 2296 283 8.8 45
Show 20077+0446 STF2627 AB 32 2.0 54
Show 20077+0446 STF2627 AC 261 82.2 54
Show 20077+0446 ARN 20 AD 127 99.4 54
Show 20051+0547 A 608 19 1.4 60
Show 20049+0554 HEI 578 20 6.2 67
Show 20047+0555 HEI 577 178 2.5 67
Show 20004+0530 HJ 2919 344 11.4 69
Show 20001+0405 KPP3351 280 1.9 76
Show 20025+0601 J 1294 27 3.3 77
Show 20094+0428 UC 4105 342 31.1 81
Show 20056+0330 NSN 728 127 8.0 82
Show 19585+0519 TDT1890 253 0.8 89
Show 19580+0456 A 606 168 0.6 92
Show 20051+0621 TDT1957 234 0.8 93
Show 20001+0338 A 2393 6 0.1 93
Show 20077+0327 HJ 2930 156 28.3 97
Show 20042+0312 TDT1949 272 0.5 97
Show 19577+0457 TDT1878 140 0.9 98
Show 20106+0428 UC 4113 45 43.8 100
Show 19576+0425 BAL2957 191 13.4 101
Show 19576+0517 BAL3015 306 12.8 102
Show 20008+0619 BRT2185 51 3.8 103
Show 20018+0311 HJ 2920 165 7.4 105
Show 19573+0513 A 604 350 0.1 105
Show 19575+0527 HEI 817 340 4.7 107
Show 19581+0548 A 607 81 0.2 108
Show 20065+0305 BAL2015 346 12.4 110
Show 19570+0514 BAL2956 246 10.0 111
Show 20113+0425 J 2300 300 4.1 111
Show 20063+0639 J 1337 114 2.7 116
Show 20020+0257 HEI 818 24 2.1 117
Show 20084+0628 J 547 92 4.4 119
Show 19562+0451 BAL2955 335 10.7 119
Show 19562+0456 HEI 575 59 1.4 119
Show 19578+0335 J 2293 44 4.5 120
Show 20004+0303 J 2567 AB 158 81.0 122
Show 20004+0303 J 2567 BC 295 2.2 123
Show 20104+0330 BAL2527 197 6.1 124

 
 
WDS 20041+0449 : COMPONENTS
 
 
  A
B pa=243.3°
sep=30.93"
 
 
20041+0449 A
 
 
Componente originario normalizzato AB Name HD 190280 Coord arcsec 2000 200407.95+044903.3 Mag 8.72
Spectral class K5 (yellow-orange) PmRA 2.00 PmDE -14.0 SAO 125402
Tycho2 0502-01697-1 HD 190280 DM BD+04 4329
Tycho2
Tycho2 0502-01697-1 Pflag RAmdeg 301.03313937 DEmdeg 4.81760651
PmRA 1.5 PmDE -15.8 E RAmdeg 9 E DEmdeg 10
E pmRA 1.4 E pmDE 1.3 EpRAm 1990.52 EpDEm 1990.12
Num 8 Q RAmdeg 1.1 Q DEmdeg 0.9 Q pmRA 1.1
Q pmDE 0.9 BTmag 10.445 E BTmag 0.033 VTmag 8.717
E VTmag 0.014 Prox 999 TYC T HIP
CCDM RAdeg 301.03313528 DEdeg 4.81764500 EpRA 1990 1.46
EpDE 1990 1.32 E RAdeg 9.3 E DEdeg 10.3 Posflg
Corr -0.4
SAO
SAO 125402 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 -0.001 Vmag 8.6 SpType K5
Double code Source 30 CatNum 6968 DM BD+04 4329
DMcomp BDsup HD 190280 M HD 0
GC RA1950rad 5.24318455 DE1950rad 0.08160406 PmRA2000 0.0018
PmDE2000 -0.004
CCDM
Ccdm 20041+0449 RComp Comp A Note1
Note2 Discov num DRAs 1.94 DDEs 3.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp K5 PmNote *
PmRA 8 PmDE -7 Dm number +04 4329 Cat1 BD
Name2 +04 2657 Cat2 AGK2/3 HD 190280 M HD
ADS BDS B 9857 M ADS BDS N IDS IDS 19592N0432A
HIC
 
 
20041+0449 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200406.10+044849.4 Mag 11.85 PmRA -8.00
PmDE -10.0 Calc delta mag 3.13 Calc coord yes
CCDM
Ccdm 20041+0449 RComp Comp B Note1
Note2 Discov num HJ 2925 DRAs DDEs
R dRAs Year 1879 Theta 241 Rho 31.5
Obs 2 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 9857 M ADS BDS N IDS IDS 19592N0432B
HIC