18092-2247 HO 427 (HD 165894)
18h 09m 14.43s -22° 46' 37.7" P.A. 71.00 sep 10.9 mag 8.71,12.40 Sp B3IV/V
Coord 2000 |
18092-2247 |
|
Discov num |
HO 427 |
|
Comp |
|
|
Coord arcsec 2000 |
18 09 14.43 -22 46 37.7 |
|
Date first |
1890 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
67 |
|
Pa last |
70.5 |
|
P.A. Now (θ) |
70.5° |
|
Sep first |
11.3 |
|
Sep last |
10.901 |
|
Sep. Now (ρ) |
10.901" |
|
Mag pri |
8.71 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
3.69 |
|
Spectral class |
B3IV/V (blue-white) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
+064 |
|
Notes |
|
|
rPM=1.033
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 165894 |
|
Constellation |
Sagittarius |
|
SAO |
186365 |
|
Tycho2 |
6843-02324-1 |
|
Gaia DR2 |
4066697931845404544 |
|
HD |
165894 |
|
ADS |
11095 |
|
WDS 18092-2247 HO 427 (HD 165894) : 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 |
18092-2247 |
HO 427 |
|
1999 |
4 |
70 |
10.9 |
8.71 |
12.40 |
B3IV/V |
D |
180914.43-224637.7 |
18092-2247 |
HO 427 |
|
2015 |
6 |
71 |
10.9 |
8.71 |
12.40 |
B3IV/V |
|
180914.43-224637.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18092-2247 HO 427 (HD 165894) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18092-2247 HO 427 (HD 165894) : MEASURES
No records found.
WDS 18092-2247 (HD 165894) : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 18092-2247 (HD 165894) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.