18015+4019 HO 77 (HD 164899)
18h 01m 29.34s +40° 19' 25.4" P.A. 312.00 sep 2.0 mag 7.92,11.53 Sp A0Vs dist. 349.65 pc (1140.56 l.y.)
Coord 2000 |
18015+4019 |
|
Discov num |
HO 77 |
|
Comp |
|
|
Coord arcsec 2000 |
18 01 29.34 +40 19 25.4 |
|
Date first |
1884 |
|
Date last |
2014 |
|
Obs |
12 |
|
Pa first |
312 |
|
Pa last |
312.2 |
|
P.A. Now (θ) |
312.2° |
|
Sep first |
1.9 |
|
Sep last |
2.015 |
|
Sep. Now (ρ) |
2.015" |
|
Mag pri |
7.92 |
|
Mag sec |
11.53 |
|
delta mag (ΔM) |
3.61 |
|
Spectral class |
A0Vs (white) |
|
Pri motion ra |
-007 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
+004 |
|
Sec motion dec |
+006 |
|
Notes |
|
|
rPM=0.555
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 164899 |
|
Constellation |
Hercules |
|
SAO |
47144 |
|
HIP |
88265 |
|
Tycho2 |
3106-00828-1 |
|
Gaia DR2 |
4611361391916153344 |
|
HD |
164899 |
|
BD |
BD+40 3262 |
|
Distance |
349.65 |
|
Distance ly |
1140.56 |
|
WDS 18015+4019 HO 77 (HD 164899) : 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 |
18015+4019 |
HO 77 |
|
1991 |
10 |
313 |
2.0 |
7.92 |
11.53 |
A0Vs |
|
180129.34+401925.4 |
18015+4019 |
HO 77 |
|
2010 |
11 |
312 |
2.1 |
7.92 |
11.53 |
A0Vs |
|
180129.34+401925.4 |
18015+4019 |
HO 77 |
|
2014 |
12 |
312 |
2.0 |
7.92 |
11.53 |
A0Vs |
|
180129.34+401925.4 |
If you need more information about this double, apply for a
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WDS 18015+4019 HO 77 (HD 164899) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18015+4019 HO 77 (HD 164899) : MEASURES
No records found.
WDS 18015+4019 (HD 164899) : VIRTUAL EYEPIECE
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WDS 18015+4019 (HD 164899) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.