19513-2711 HJ 2901 (HD 187495)

 
 
19h 51m 17.67s -27° 10' 33.1" P.A. 155.00 sep 6.5 mag 9.24,10.30 Sp A1V
 
 
Coord 2000 19513-2711 Discov num HJ 2901 Comp Coord arcsec 2000 19 51 17.67 -27 10 33.1
Date first 1830 Date last 2016 Obs 13
Pa first 158 Pa last 154.7 P.A. Now (θ) 154.7°
Sep first 7.0 Sep last 6.458 Sep. Now (ρ) 6.458"
Mag pri 9.24 Mag sec 10.30 delta mag (ΔM) 1.06 Spectral class A1V (white)
Pri motion ra +002 Sec motion ra +003
Pri motion dec -009 Sec motion dec -008
Notes T (Parallax indicates physical)
rPM=0.153 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187495 Constellation Sagittarius SAO 188628 Tycho2 6899-01657-1
Gaia DR2 6754476852021574144 HD 187495
 
 
WDS 19513-2711 HJ 2901 (HD 187495) : 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
19513-2711 HJ 2901 1998 10 155 6.5 9.24 10.30 A1V D 195117.67-271033.1
19513-2711 HJ 2901 1999 11 155 6.5 9.24 10.30 A1V D 195117.67-271033.1
19513-2711 HJ 2901 2015 12 155 6.5 9.24 10.30 A1V 195117.67-271033.1
19513-2711 HJ 2901 2016 13 155 6.5 9.24 10.30 A1V T 195117.67-271033.1

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

 
 
WDS 19513-2711 HJ 2901 (HD 187495) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19513-2711 HJ 2901 (HD 187495) : MEASURES
 
 
No records found.

 
 
WDS 19513-2711 (HD 187495) : VIRTUAL EYEPIECE
 
 

19513-2711 HJ 2901A mag 9.24 Sp A1V 19513-2711 HJ 2901B sep 6.3 P.A. 157.20 mag 10.3 virtual eyepiece
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Radius:
Components only
 
 
WDS 19513-2711 (HD 187495) : ALADIN DSS IMAGE @ 19h 51m 17.67s -27° 10' 33.1"
 
 
 
 
WDS 19513-2711 HJ 2901 (HD 187495) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


19513-2711  HJ 2901 distance=0' 19513-2734  UC 4042 distance=24' 19528-2653  SKF2081 distance=27' 19504-2647  LDS5886AB distance=28' 19504-2647  LDS5886AC distance=28' 19497-2727  UC 4032 distance=28' 19509-2638  B   452 distance=33' 19540-2729  RSS 535 distance=41' 19526-2751  LDS5889 distance=46' 19508-2759  I  1405 distance=50' 19483-2640  SEE 395 distance=51' 19555-2649  UC 4053AB distance=60' 19507-2610  OL   24 distance=61' 19467-2740  HJ 2893 distance=69' 19559-2633  OCC 727 distance=72' 19491-2825  RSS 534 distance=80' 19558-2618  OCC 704 distance=81' 19481-2554  OCC 123 distance=88' 19582-2715  RSS 537 distance=93' 19477-2829  B   448 distance=93' 19512-2843  LDS5888 distance=94' 19443-2657  TDT1690 distance=94' 19549-2831  LDS5890 distance=95' 19492-2847  I  1039 distance=101' 19577-2808  LDS5892 distance=104' 19531-2528  B   454 distance=106' 19571-2834  LDS4823 distance=114' 20000-2644  LDS5893 distance=120' 19594-2618  KPP4342CB distance=121' 19594-2618  KPP4342AB distance=121' 19564-2531  UC 4056 distance=122' 19460-2532  HJ 5144 distance=123' 19419-2646  BRT3086 distance=127' 20009-2711  HJ 5164 distance=128' 20006-2643  KPP 451 distance=129' 19416-2724  TDT1638 distance=130' 19565-2902  KPP 447 distance=131' 19454-2858  KPP1967 distance=133' 20004-2807  RST2129 distance=133' 20012-2636  RST1055 distance=137' 19439-2535  LDS4814 distance=139' 19458-2513  OCC  67 distance=139' 19456-2511  OCC  69AB distance=143' 19410-2752  TOI2241 distance=143' 19421-2554  KPP 610 distance=146' 19589-2521  LDS4825 distance=149' 19405-2751  TDT1622 distance=149' 19411-2607  RST2116 distance=151' 19578-2507  TDT1881 distance=153' 19464-2453  SEE 394 distance=153' 19437-2908  LDS 685 distance=155' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 19513-2711 HJ 2901 155 6.5
Show 19513-2734 UC 4042 103 65.5 24
Show 19528-2653 SKF2081 165 9.0 27
Show 19504-2647 LDS5886 AB 68 47.5 28
Show 19504-2647 LDS5886 AC 76 193.0 28
Show 19497-2727 UC 4032 162 22.9 28
Show 19509-2638 B 452 319 0.4 33
Show 19540-2729 RSS 535 107 9.4 41
Show 19526-2751 LDS5889 87 417.3 46
Show 19508-2759 I 1405 59 0.3 50
Show 19483-2640 SEE 395 102 1.7 51
Show 19555-2649 UC 4053 AB 42 10.9 60
Show 19507-2610 OL 24 35 1.1 61
Show 19467-2740 HJ 2893 54 9.4 69
Show 19559-2633 OCC 727 -1 0.1 72
Show 19491-2825 RSS 534 90 11.4 80
Show 19558-2618 OCC 704 -1 0.0 81
Show 19481-2554 OCC 123 -1 0.1 88
Show 19582-2715 RSS 537 178 10.1 93
Show 19477-2829 B 448 126 3.6 93
Show 19512-2843 LDS5888 90 105.0 94
Show 19443-2657 TDT1690 324 1.1 94
Show 19549-2831 LDS5890 355 144.3 95
Show 19492-2847 I 1039 290 2.0 101
Show 19577-2808 LDS5892 83 190.5 104
Show 19531-2528 B 454 337 0.3 106
Show 19571-2834 LDS4823 45 4.0 114
Show 20000-2644 LDS5893 68 190.0 120
Show 19594-2618 KPP4342 CB 169 46.5 121
Show 19594-2618 KPP4342 AB 123 2.0 121
Show 19564-2531 UC 4056 215 47.0 122
Show 19460-2532 HJ 5144 10 10.0 123
Show 19419-2646 BRT3086 208 5.4 127
Show 20009-2711 HJ 5164 122 9.2 128
Show 20006-2643 KPP 451 217 3.1 129
Show 19416-2724 TDT1638 55 0.5 130
Show 19565-2902 KPP 447 336 3.7 131
Show 19454-2858 KPP1967 62 15.5 133
Show 20004-2807 RST2129 80 1.6 133
Show 20012-2636 RST1055 245 1.9 137
Show 19439-2535 LDS4814 208 13.3 139
Show 19458-2513 OCC 67 -1 0.1 139
Show 19456-2511 OCC 69 AB -1 0.1 143
Show 19410-2752 TOI2241 117 0.3 143
Show 19421-2554 KPP 610 236 5.6 146
Show 19589-2521 LDS4825 329 58.1 149
Show 19405-2751 TDT1622 78 0.5 149
Show 19411-2607 RST2116 152 1.2 151
Show 19578-2507 TDT1881 29 1.6 153
Show 19464-2453 SEE 394 286 1.2 153
Show 19437-2908 LDS 685 58 25.7 155

 
 
WDS 19513-2711 : COMPONENTS
 
 
  A
B pa=157.2°
sep=6.33"
 
 
19513-2711 A
 
 
Componente originario normalizzato AB Name HD 187495 Coord arcsec 2000 195117.67-271033.1 Mag 9.24
Spectral class A1V (white) PmRA 2.00 PmDE -9.0 SAO 188628
Tycho2 6899-01657-1 HD 187495 DM CD-2714323
Tycho2
Tycho2 6899-01657-1 Pflag RAmdeg 297.82364000 DEmdeg -27.17586393
PmRA 13.1 PmDE -17.5 E RAmdeg 10 E DEmdeg 14
E pmRA 2.5 E pmDE 2.2 EpRAm 1991.53 EpDEm 1991.06
Num 3 Q RAmdeg 0.3 Q DEmdeg 2.4 Q pmRA 0.3
Q pmDE 2.5 BTmag 9.338 E BTmag 0.022 VTmag 9.241
E VTmag 0.021 Prox 63 TYC T HIP
CCDM RAdeg 297.82360611 DEdeg -27.17582306 EpRA 1990 1.73
EpDE 1990 1.56 E RAdeg 10.0 E DEdeg 13.6 Posflg
Corr -0.2
SAO
SAO 188628 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 -0.006 Vmag 9 SpType A0
Double code Source 24 CatNum 13025 DM CD-2714323
DMcomp BDsup HD 187495 M HD 0
GC RA1950rad 5.184598 DE1950rad -0.4765434 PmRA2000 0.001
PmDE2000 -0.007
CCDM
Ccdm 19513-2711 RComp Comp A Note1
Note2 Discov num DRAs -0.35 DDEs 27.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp A0 PmNote *
PmRA 15 PmDE -6 Dm number -2714323 Cat1 CD
Name2 188628 Cat2 SAO HD 187495 M HD
ADS BDS A13006 M ADS BDS N IDS IDS 19451S2726A
HIC
 
 
19513-2711 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 195117.85-271038.9 Mag 10.3 PmRA 3.00
PmDE -8.0 Tycho2 6899-01657-2 Calc delta mag 1.06 Calc coord yes
Tycho2
Tycho2 6899-01657-2 Pflag RAmdeg 297.82442589 DEmdeg -27.17743626
PmRA -4.0 PmDE -12.8 E RAmdeg 24 E DEmdeg 36
E pmRA 2.6 E pmDE 2.3 EpRAm 1990.71 EpDEm 1988.36
Num 3 Q RAmdeg 0.4 Q DEmdeg 4.9 Q pmRA 0.4
Q pmDE 5.0 BTmag 10.598 E BTmag 0.048 VTmag 10.295
E VTmag 0.049 Prox 63 TYC T HIP
CCDM RAdeg 297.82443639 DEdeg -27.17740611 EpRA 1990 1.78
EpDE 1990 1.56 E RAdeg 24.4 E DEdeg 36.8 Posflg
Corr -0.3
CCDM
Ccdm 19513-2711 RComp Comp B Note1
Note2 Discov num HJ 2901 DRAs DDEs
R dRAs Year 1877 Theta 156 Rho 6.5
Obs 4 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13006 M ADS BDS N IDS IDS 19451S2726B
HIC