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Doubles in session


Current system
20001+2557
HJ 1462
HD 189638


Nearby doubles
14' : 19594+2606
BRT3352

15' : 20003+2611
HO 584

27' : 20008+2533
BRT 206

32' : 19585+2534
TDT1889

32' : 19578+2551
TDT1880

40' : 19594+2636
A 276

46' : 20030+2534
NSN 726

49' : 20028+2628
BRT 207

49' : 20003+2509
POU4182

50' : 20026+2633
BKO 755

50' : 19564+2559
AZC 107

54' : 19581+2643
TDT1887

55' : 20029+2518
POU4192

55' : 20040+2614
KPP3352

56' : 20042+2547
HLA 26

56' : 20031+2636
AG 396

58' : 19568+2516
POU4147AB

62' : 19594+2450
CHE 186

63' : 19584+2458
POU4160

67' : 20020+2456
STT 395

67' : 19597+2450
POU4170

67' : 20006+2451
POU4183AB

67' : 20032+2506
POU4194AB

67' : 19577+2459
BKO 746

68' : 20043+2633
TDT1950

68' : 19573+2501
POU4153



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.

20001+2557 HJ 1462 (HD 189638)

 
 
20h 00m 06.57s +25° 57' 00.0" P.A. 24.00 sep 37.2 mag 7.55,9.89 Sp K2
 
 
Coord 2000 20001+2557 Discov num HJ 1462 Comp Coord arcsec 2000 20 00 06.57 +25 57 00.0
Date first 1828 Date last 2015 Obs 27
Pa first 23 Pa last 23.7 P.A. Now (θ) 23.7°
Sep first 27.0 Sep last 37.207 Sep. Now (ρ) 37.207"
Mag pri 7.55 Mag sec 9.89 delta mag (ΔM) 2.34 Spectral class K2 (yellow-orange)
Pri motion ra -013 Sec motion ra +004
Pri motion dec -032 Sec motion dec +001
Notes L (Linear solution)
rPM=1.075
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189638 Constellation Vulpecula SAO 88043 Tycho2 2145-00643-1
Gaia DR2 1835019696300206976 HD 189638 GC 27722
 
 
WDS 20001+2557 HJ 1462 (HD 189638) : 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
20001+2557 HJ 1462 2007 14 23 36.9 7.55 9.89 K2 LD 200006.57+255700.0
20001+2557 HJ 1462 2009 15 23 37.0 7.55 9.89 K2 LD 200006.57+255700.0
20001+2557 HJ 1462 2010 17 24 36.9 7.55 9.89 K2 LD 200006.57+255700.0
20001+2557 HJ 1462 2015 20 24 37.2 7.55 9.89 K2 L 200006.57+255700.0

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

 
 
WDS 20001+2557 HJ 1462 (HD 189638) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20001+2557 HJ 1462 (HD 189638) : MEASURES
 
 
No records found.

 
 
WDS 20001+2557 (HD 189638) : VIRTUAL EYEPIECE
 
 

20001+2557 HJ 1462A mag 7.55 Sp K2 20001+2557 HJ 1462B sep 36.6 P.A. 21.50 mag 9.89 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 20001+2557 (HD 189638) : ALADIN DSS IMAGE @ 20h 00m 06.57s +25° 57' 00.0"
 
 
 
 
WDS 20001+2557 HJ 1462 (HD 189638) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20001+2557 HJ 1462 distance=0' 19594+2606 BRT3352 distance=14' 20003+2611 HO 584 distance=15' 20008+2533 BRT 206 distance=27' 19585+2534 TDT1889 distance=32' 19578+2551 TDT1880 distance=32' 19594+2636 A 276 distance=40' 20030+2534 NSN 726 distance=46' 20028+2628 BRT 207 distance=49' 20003+2509 POU4182 distance=49' 20026+2633 BKO 755 distance=50' 19564+2559 AZC 107 distance=50' 19581+2643 TDT1887 distance=54' 20029+2518 POU4192 distance=55' 20040+2614 KPP3352 distance=55' 20042+2547 HLA 26 distance=56' 20031+2636 AG 396 distance=56' 19568+2516 POU4147AB distance=58' 19568+2516 BKO 744AC distance=58' 19594+2450 CHE 186 distance=62' 19584+2458 POU4160 distance=63' 20020+2456 STT 395 distance=67' 20032+2506 POU4195BC distance=67' 19597+2450 POU4170 distance=67' 20006+2451 POU4183AB distance=67' 20032+2506 POU4194AB distance=67' 20032+2506 POU4195AC distance=67' 19577+2459 BKO 746 distance=67' 20006+2451 BKO 752BC distance=67' 20043+2633 TDT1950 distance=68' 19573+2501 POU4153 distance=68' 20041+2514 POU4199 distance=70' 20003+2447 BKO 751 distance=71' 20002+2446 BKO 750 distance=71' 20000+2446 POU4175 distance=71' 20003+2446 POU4181 distance=71' 20009+2446 POU4184 distance=73' 20050+2526 FMR 157 distance=73' 20007+2445 BKO 753 distance=73' 20030+2659 KPP4181 distance=74' 20031+2456 ROE 147 distance=74' 19568+2458 POU4148 distance=74' 19595+2443 BU 469 distance=74' 19571+2451 POU4151 distance=75' 20051+2629 DOO 77 distance=75' 19557+2644 TDT1856 distance=76' 19570+2454 POU4150 distance=76' 20032+2456 L 33 distance=77' 20046+2509 POU4204 distance=78' 19575+2447 POU4155 distance=79' 19546+2529 BRT3350 distance=79' 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 20001+2557 HJ 1462 24 37.2
Show 19594+2606 BRT3352 135 3.9 14
Show 20003+2611 HO 584 227 2.4 15
Show 20008+2533 BRT 206 109 1.9 27
Show 19585+2534 TDT1889 217 0.8 32
Show 19578+2551 TDT1880 267 0.8 32
Show 19594+2636 A 276 332 0.9 40
Show 20030+2534 NSN 726 338 1.7 46
Show 20028+2628 BRT 207 311 4.0 49
Show 20003+2509 POU4182 129 9.8 49
Show 20026+2633 BKO 755 311 8.2 50
Show 19564+2559 AZC 107 110 15.1 50
Show 19581+2643 TDT1887 342 0.4 54
Show 20029+2518 POU4192 277 9.4 55
Show 20040+2614 KPP3352 244 23.5 55
Show 20042+2547 HLA 26 71 8.6 56
Show 20031+2636 AG 396 91 16.0 56
Show 19568+2516 POU4147 AB 322 11.1 58
Show 19568+2516 BKO 744 AC 187 8.3 58
Show 19594+2450 CHE 186 176 1.2 62
Show 19584+2458 POU4160 228 5.1 63
Show 20020+2456 STT 395 129 0.7 67
Show 20032+2506 POU4195 BC 264 8.9 67
Show 19597+2450 POU4170 94 9.0 67
Show 20006+2451 POU4183 AB 212 3.7 67
Show 20032+2506 POU4194 AB 288 14.5 67
Show 20032+2506 POU4195 AC 279 22.9 67
Show 19577+2459 BKO 746 320 5.9 67
Show 20006+2451 BKO 752 BC 241 6.7 67
Show 20043+2633 TDT1950 229 2.8 68
Show 19573+2501 POU4153 32 8.2 68
Show 20041+2514 POU4199 85 2.7 70
Show 20003+2447 BKO 751 198 5.0 71
Show 20002+2446 BKO 750 161 4.8 71
Show 20000+2446 POU4175 77 13.2 71
Show 20003+2446 POU4181 203 4.4 71
Show 20009+2446 POU4184 9 13.2 73
Show 20050+2526 FMR 157 356 24.5 73
Show 20007+2445 BKO 753 25 5.7 73
Show 20030+2659 KPP4181 236 1.5 74
Show 20031+2456 ROE 147 178 2.1 74
Show 19568+2458 POU4148 154 7.7 74
Show 19595+2443 BU 469 189 14.7 74
Show 19571+2451 POU4151 188 7.1 75
Show 20051+2629 DOO 77 153 18.4 75
Show 19557+2644 TDT1856 226 1.6 76
Show 19570+2454 POU4150 44 6.0 76
Show 20032+2456 L 33 20 0.5 77
Show 20046+2509 POU4204 282 4.3 78
Show 19575+2447 POU4155 13 11.6 79
Show 19546+2529 BRT3350 57 4.3 79

 
 
WDS 20001+2557 : COMPONENTS
 
 
  A
B pa=21.5°
sep=36.63"
 
 
20001+2557 A
 
 
Componente originario normalizzato AB Name HD 189638 Coord arcsec 2000 200006.57+255700.0 Mag 7.55
Spectral class K2 (yellow-orange) PmRA -13.00 PmDE -32.0 SAO 88043
Tycho2 2145-00643-1 HD 189638 GC 27722 DM BD+25 4058
Tycho2
Tycho2 2145-00643-1 Pflag RAmdeg 300.02737587 DEmdeg 25.94999391
PmRA -13.2 PmDE -32.1 E RAmdeg 5 E DEmdeg 5
E pmRA 1.2 E pmDE 1.1 EpRAm 1991.23 EpDEm 1991.28
Num 11 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.8 BTmag 9.101 E BTmag 0.017 VTmag 7.548
E VTmag 0.010 Prox 363 TYC T HIP
CCDM RAdeg 300.02741056 DEdeg 25.95006833 EpRA 1990 1.57
EpDE 1990 1.66 E RAdeg 5.1 E DEdeg 4.9 Posflg
Corr 0.1
SAO
SAO 88043 DelFlag RA1950 PmRA1950 -0.0013
DE1950 PmDE1950 -0.015 Vmag 7.5 SpType K2
Double code Source 70 CatNum 27722 DM BD+25 4058
DMcomp BDsup HD 189638 M HD 0
GC 27722 RA1950rad 5.22733131 DE1950rad 0.45051056 PmRA2000 -0.0012
PmDE2000 -0.018
CCDM
Ccdm 20001+2557 RComp Comp A Note1
Note2 Discov num DRAs 0.59 DDEs -0.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.7 Sp K2 PmNote *
PmRA -8 PmDE -39 Dm number +25 4058 Cat1 BD
Name2 +25 2242 Cat2 AGK2/3 HD 189638 M HD
ADS BDS B 9805 M ADS BDS N IDS IDS 19559N2540A
HIC
 
 
20001+2557 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200007.57+255734.1 Mag 9.89 PmRA 4.00
PmDE 1.0 Tycho2 2145-00049-1 Calc delta mag 2.34 Calc coord yes
Tycho2
Tycho2 2145-00049-1 Pflag RAmdeg 300.03195586 DEmdeg 25.95929451
PmRA 4.9 PmDE 1.2 E RAmdeg 20 E DEmdeg 19
E pmRA 1.7 E pmDE 1.6 EpRAm 1988.59 EpDEm 1988.79
Num 5 Q RAmdeg 1.5 Q DEmdeg 0.7 Q pmRA 1.5
Q pmDE 0.8 BTmag 10.629 E BTmag 0.038 VTmag 9.887
E VTmag 0.032 Prox 363 TYC T HIP
CCDM RAdeg 300.03194056 DEdeg 25.95929250 EpRA 1990 1.62
EpDE 1990 1.70 E RAdeg 21.6 E DEdeg 20.8 Posflg
Corr 0.1
CCDM
Ccdm 20001+2557 RComp Comp B Note1
Note2 Discov num HJ 1462 DRAs DDEs
R dRAs Year 1905 Theta 024 Rho 33.3
Obs 5 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 9805 M ADS BDS N IDS IDS 19559N2540B
HIC