20473+4535 HO 280 (HD 198237)
20h 47m 20.77s +45° 34' 48.0" P.A. 75.00 sep 11.7 mag 6.40,12.40 Sp M2III dist. 353.36 pc (1152.66 l.y.)
| Coord 2000 |
20473+4535 |
|
Discov num |
HO 280 |
|
Comp |
|
|
Coord arcsec 2000 |
20 47 20.77 +45 34 48.0 |
|
| Date first |
1888 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
75 |
|
Pa last |
75.4 |
|
P.A. Now (θ) |
75.4° |
|
| Sep first |
14.0 |
|
Sep last |
11.656 |
|
Sep. Now (ρ) |
11.656" |
|
| Mag pri |
6.40 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
6 |
|
Spectral class |
M2III (red) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-022 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 198237 |
|
Constellation |
Cygnus |
|
SAO |
50060 |
|
HIP |
102585 |
|
| Tycho2 |
3574-01163-1 |
|
Gaia DR2 |
2166263517070145664 |
|
HD |
198237 |
|
HR |
7966 |
|
| GC |
28997 |
|
ADS |
14298 |
|
BD |
BD+45 3275 |
|
Distance |
353.36 |
|
| Distance ly |
1152.66 |
|
WDS 20473+4535 HO 280 (HD 198237) : 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 |
| 20473+4535 |
HO 280 |
|
2008 |
8 |
75 |
11.9 |
6.40 |
12.40 |
M2III |
D |
204720.77+453448.0 |
| 20473+4535 |
HO 280 |
|
2012 |
9 |
75 |
11.3 |
6.40 |
12.40 |
M2III |
D |
204720.77+453448.0 |
| 20473+4535 |
HO 280 |
|
2015 |
10 |
75 |
11.7 |
6.40 |
12.40 |
M2III |
|
204720.77+453448.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20473+4535 HO 280 (HD 198237) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20473+4535 HO 280 (HD 198237) : MEASURES
No records found.
WDS 20473+4535 (HD 198237) : 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 20473+4535 (HD 198237) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
