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Doubles in session


Current system
19089+1914
HO 636
HD 178691


Nearby doubles
11' : 19095+1925
HO 443

15' : 19080+1910
HO 442

17' : 19087+1914
HO 570

26' : 19101+1934
HJ 877

32' : 19111+1909
TDT1285

34' : 19080+1945
STF2460AB

36' : 19068+1854
J 1142

44' : 19104+1953
J 2950

53' : 19076+1825
GWP2813

59' : 19130+1908
STF2482

61' : 19131+1928
HEI 871

61' : 19057+1833
KPP 434

66' : 19133+1934
HO 573

69' : 19107+2017
J 481AB

71' : 19096+1803
J 1300

74' : 19054+1820
BPMA 78

77' : 19100+2029
J 1301

77' : 19143+1904
STF2484

78' : 19118+1809
HU 334AB

79' : 19104+2030
A 150

81' : 19101+1755
BPM 994

82' : 19053+1811
BPM 958

82' : 19116+2026
TDT1287

82' : 19147+1918
LDS1020AB

83' : 19046+1819
BPMA 76

88' : 19136+2012
HU 335



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19089+1914 HO 636 (HD 178691)

 
 
19h 08m 54.70s +19° 14' 01.7" P.A. 47.00 sep 0.5 mag 9.60,9.90 Sp A2
 
 
Coord 2000 19089+1914 Discov num HO  636 Comp Coord arcsec 2000 19 08 54.70 +19 14 01.7
Date first 1889 Date last 2014 Obs 2
Pa first 90 Pa last 47 P.A. Now (θ) 47°
Sep first 0.4 Sep last 0.52 Sep. Now (ρ) 0.52"
Mag pri 9.60 Mag sec 9.90 delta mag (ΔM) 0.3 Spectral class A2 (white)
Pri motion ra +011 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 178691 Constellation Sagitta SAO 104530 Tycho2 1594-01771-1
Gaia DR2 4516337267751530112 HD 178691
 
 
WDS 19089+1914 HO 636 (HD 178691) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19089+1914 HO 636 1889 1 90 0.4 9.60 9.90 190854.70+191401.7
19089+1914 HO 636 2014 2 47 0.5 9.60 9.90 A2 190854.70+191401.7

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

 
 
WDS 19089+1914 HO 636 (HD 178691) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19089+1914 HO 636 (HD 178691) : MEASURES
 
 
No records found.

 
 
WDS 19089+1914 (HD 178691) : VIRTUAL EYEPIECE
 
 

19089+1914 HO 636A mag 9.6 Sp A2 19089+1914 HO 636B sep 0.5 P.A. 45.40 mag 9.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19089+1914 (HD 178691) : ALADIN DSS IMAGE @ 19h 08m 54.70s +19° 14' 01.7"
 
 
 
 
WDS 19089+1914 HO 636 (HD 178691) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19089+1914 HO 636 distance=1' 19095+1925 HO 443 distance=11' 19080+1910 HO 442 distance=15' 19087+1914 HO 570 distance=17' 19101+1934 HJ 877 distance=26' 19111+1909 TDT1285 distance=32' 19080+1945 STF2460AB distance=34' 19068+1854 J 1142 distance=36' 19104+1953 J 2950 distance=44' 19076+1825 GWP2813 distance=53' 19130+1908 STF2482 distance=59' 19131+1928 HEI 871 distance=61' 19057+1833 KPP 434 distance=61' 19133+1934 HO 573 distance=66' 19107+2017 J 481AB distance=69' 19107+2017 J 481AC distance=69' 19096+1803 J 1300 distance=71' 19054+1820 BPMA 78 distance=74' 19100+2029 J 1301 distance=77' 19143+1904 STF2484 distance=77' 19118+1809 HU 334AB distance=78' 19118+1809 GII 280Aa,Ab distance=78' 19104+2030 A 150 distance=79' 19101+1755 BPM 994 distance=81' 19053+1811 BPM 958 distance=82' 19116+2026 TDT1287 distance=82' 19147+1918 LDS1020AB distance=82' 19147+1918 BWL 49AC distance=82' 19147+1918 BWL 49AD distance=82' 19147+1918 BWL 49AE distance=82' 19147+1918 BWL 49AF distance=82' 19147+1918 BWL 49AG distance=82' 19147+1918 BWL 49AH distance=82' 19147+1918 BWL 49AI distance=82' 19147+1918 BWL 49AJ distance=82' 19147+1918 BWL 49AK distance=82' 19147+1918 BWL 49AL distance=82' 19147+1918 BWL 49AM distance=82' 19147+1918 BWL 49AN distance=82' 19147+1918 BWL 49AO distance=82' 19147+1918 BWL 49AP distance=82' 19147+1918 BWL 49AQ distance=82' 19147+1918 BWL 49AR distance=82' 19147+1918 BWL 49AS distance=82' 19147+1918 BWL 49AT distance=82' 19147+1918 BWL 49AU distance=82' 19147+1918 BWL 49AV distance=82' 19147+1918 BWL 49AW distance=82' 19147+1918 BWL 49AX distance=82' 19147+1918 BWL 49AY distance=82' 19147+1918 BWL 49A,Za distance=82' 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 19089+1914 HO 636 47 0.5 1
Show 19095+1925 HO 443 119 3.0 11
Show 19080+1910 HO 442 125 3.7 15
Show 19087+1914 HO 570 222 10.2 17
Show 19101+1934 HJ 877 294 12.6 26
Show 19111+1909 TDT1285 182 0.5 32
Show 19080+1945 STF2460 AB 198 9.5 34
Show 19068+1854 J 1142 285 1.3 36
Show 19104+1953 J 2950 130 4.5 44
Show 19076+1825 GWP2813 315 24.2 53
Show 19130+1908 STF2482 341 1.8 59
Show 19131+1928 HEI 871 145 4.2 61
Show 19057+1833 KPP 434 98 4.5 61
Show 19133+1934 HO 573 127 7.7 66
Show 19107+2017 J 481 AB 237 5.8 69
Show 19107+2017 J 481 AC 29 12.2 69
Show 19096+1803 J 1300 347 2.3 71
Show 19054+1820 BPMA 78 276 258.6 74
Show 19100+2029 J 1301 140 3.9 77
Show 19143+1904 STF2484 241 2.1 77
Show 19118+1809 HU 334 AB 249 1.6 78
Show 19118+1809 GII 280 Aa,Ab 6 0.2 78
Show 19104+2030 A 150 121 0.4 79
Show 19101+1755 BPM 994 262 116.6 81
Show 19053+1811 BPM 958 150 82.5 82
Show 19116+2026 TDT1287 74 1.7 82
Show 19147+1918 LDS1020 AB 179 40.8 82
Show 19147+1918 BWL 49 AC 353 2.2 82
Show 19147+1918 BWL 49 AD 26 2.6 82
Show 19147+1918 BWL 49 AE 56 3.5 82
Show 19147+1918 BWL 49 AF 62 4.3 82
Show 19147+1918 BWL 49 AG 72 3.7 82
Show 19147+1918 BWL 49 AH 73 4.6 82
Show 19147+1918 BWL 49 AI 67 5.4 82
Show 19147+1918 BWL 49 AJ 63 5.0 82
Show 19147+1918 BWL 49 AK 49 6.8 82
Show 19147+1918 BWL 49 AL 57 7.2 82
Show 19147+1918 BWL 49 AM 91 4.3 82
Show 19147+1918 BWL 49 AN 88 4.7 82
Show 19147+1918 BWL 49 AO 102 3.3 82
Show 19147+1918 BWL 49 AP 128 5.9 82
Show 19147+1918 BWL 49 AQ 135 6.8 82
Show 19147+1918 BWL 49 AR 134 7.8 82
Show 19147+1918 BWL 49 AS 175 4.8 82
Show 19147+1918 BWL 49 AT 155 2.4 82
Show 19147+1918 BWL 49 AU 160 2.3 82
Show 19147+1918 BWL 49 AV 243 2.7 82
Show 19147+1918 BWL 49 AW 299 4.1 82
Show 19147+1918 BWL 49 AX 321 4.1 82
Show 19147+1918 BWL 49 AY 14 3.9 82
Show 19147+1918 BWL 49 A,Za 11 4.4 82

 
 
WDS 19089+1914 : COMPONENTS
 
 
  A
B pa=45.4°
sep=0.50"
 
 
19089+1914 A
 
 
Componente originario normalizzato AB Name HD 178691 Coord arcsec 2000 190854.70+191401.7 Mag 9.6
Spectral class A2 (white) PmRA 11.00 PmDE 10.0 SAO 104530
Tycho2 1594-01771-1 HD 178691 DM BD+19 3926
Tycho2
Tycho2 1594-01771-1 Pflag RAmdeg 287.22794297 DEmdeg 19.23381143
PmRA 11.0 PmDE 10.0 E RAmdeg 6 E DEmdeg 6
E pmRA 0.9 E pmDE 0.9 EpRAm 1990.88 EpDEm 1990.85
Num 12 Q RAmdeg 0.7 Q DEmdeg 1.3 Q pmRA 0.8
Q pmDE 1.3 BTmag 9.063 E BTmag 0.015 VTmag 8.892
E VTmag 0.012 Prox 692 TYC T HIP
CCDM RAdeg 287.22791500 DEdeg 19.23378833 EpRA 1990 1.52
EpDE 1990 1.54 E RAdeg 6.0 E DEdeg 5.9 Posflg
Corr -0.3
SAO
SAO 104530 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 0.009 Vmag 8.3 SpType A2
Double code Source 28 CatNum 7261 DM BD+19 3926
DMcomp BDsup HD 178691 M HD 0
GC RA1950rad 5.00350621 DE1950rad 0.33427584 PmRA2000 0.0012
PmDE2000 0.009
 
 
19089+1914 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 190854.73+191402.1 Mag 9.9 Calc delta mag 0.3
Calc coord yes