20137+4050 DOO 13 (HD 228446)
20h 13m 44.60s +40° 50' 19.2" P.A. 258.00 sep 3.0 mag 9.94,10.39 Sp B2I: dist. 4166.67 pc (13591.68 l.y.)
| Coord 2000 |
20137+4050 |
|
Discov num |
DOO 13 |
|
Comp |
|
|
Coord arcsec 2000 |
20 13 44.60 +40 50 19.2 |
|
| Date first |
1900 |
|
Date last |
2018 |
|
Obs |
24 |
|
| Pa first |
258 |
|
Pa last |
258.2 |
|
P.A. Now (θ) |
258.2° |
|
| Sep first |
2.8 |
|
Sep last |
3.021 |
|
Sep. Now (ρ) |
3.021" |
|
| Mag pri |
9.94 |
|
Mag sec |
10.39 |
|
delta mag (ΔM) |
0.45 |
|
Spectral class |
B2I: (blue-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-006 |
|
| Notes |
N
(See Notes) |
|
rPM=0.149 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228446 |
|
Constellation |
Cygnus |
|
HIP |
99688 |
|
Tycho2 |
3155-01471-1 |
|
| Gaia DR2 |
2062582044472384512 |
|
HD |
228446 |
|
ADS |
13556 |
|
BD |
BD+40 4068 |
|
| Distance |
4166.67 |
|
Distance ly |
13591.68 |
|
WDS 20137+4050 DOO 13 (HD 228446) : NOTES
| discov_num |
notes |
refcode |
| DOO 13 |
A 1385. |
|
REFERENCES
| refcode |
metd |
author |
reference |
| Doo1901 |
Ma j |
Doolittle, E. |
1901PFAO....1c...1D |
| Doo1901 |
|
Pub. Univ. Penn. 1, Pt. 3, 1901 |
|
| Doo1903a |
Ma - |
Doolittle, E. |
1903AJ.....23..175D |
| Doo1903a |
|
AJ 23, 175, 1903 (also in Pub. Univ. Penn. 2, Pt. 3, 1905) |
|
| Doo1903b |
Ma j |
Doolittle, E. |
1903AJ.....23..177D |
| Doo1903b |
|
AJ 23, 177, 1903 (also in Pub. Univ. Penn. 2, Pt. 3, 1905) |
|
| Doo1905a |
Ma j |
Doolittle, E. |
1905PFAO....2c...1D |
| Doo1905a |
|
Pub. Univ. Penn. 2, Pt. 3, 1905 |
|
| Doo1905b |
Ma - |
Doolittle, E. (measure by Hadley, J.M.) |
1905PFAO....2c...1D |
| Doo1905b |
|
Pub. Univ. Penn. 2, Pt. 3, 1905 |
|
| Doo1906A |
Ma - |
Doolittle, E. |
1906MmRAS..56....1L |
| Doo1906A |
+orb |
cited by Lewis (MemRAS 56, 1, 1906) |
|
| Doo1906B |
Ma - |
Doolittle, E. |
1906QB821.B972..... |
| Doo1906B |
|
cited in BDS (Burnham Double Star Cat., 1906) |
|
| Doo1907 |
Ma j |
Doolittle, E. |
1907PFAO....3c...1D |
| Doo1907 |
|
Pub. Univ. Penn. 3, Pt. 3, 1907 |
|
| Doo1912 |
Ma j |
Doolittle, E. |
1912PFAO....4a...1D |
| Doo1912 |
|
Pub. Univ. Penn. 4, Pt. 1, 1912 |
|
| Doo1913A |
Ma - |
Doolittle, E. |
1913QB811.B8....... |
| Doo1913A |
|
cited by Burnham (Carnegie Inst. Wash. #168, 1913) |
|
| Doo1915a |
Ma - |
Doolittle, E. |
1915MNRAS..75..666D |
| Doo1915a |
|
MNRAS 75, 666, 1915 |
|
| Doo1915b |
Ma - |
Doolittle, E. |
1915PFAO....4a...1D |
| Doo1915b |
|
Pub. Univ. Penn. 4, Pt. 1, 1915 |
|
| Doo1915c |
Ma - |
Doolittle, E. |
1915AJ.....29...49D |
| Doo1915c |
|
AJ 29, 49, 1915 |
|
| Doo1923 |
Ma j |
Doolittle, E. |
1923PFAO....4b...1D |
| Doo1923 |
|
Pub. Univ. Penn. 4, Pt. 2, 1923 |
|
| Doo1932A |
Ma - |
Doolittle, E. |
1932QB821.A43...... |
| Doo1932A |
|
cited in ADS (Aitken Double Star Cat.), 1932 |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 20137+4050 |
DOO 13 |
|
2001 |
20 |
258 |
3.0 |
9.94 |
10.39 |
|
D |
201344.60+405019.2 |
| 20137+4050 |
DOO 13 |
|
2009 |
21 |
258 |
2.9 |
9.94 |
10.39 |
|
D |
201344.60+405019.2 |
| 20137+4050 |
DOO 13 |
|
2015 |
23 |
258 |
2.9 |
9.94 |
10.39 |
B2I: |
N |
201344.60+405019.2 |
| 20137+4050 |
DOO 13 |
|
2018 |
24 |
258 |
3.0 |
9.94 |
10.39 |
B2I: |
N |
201344.60+405019.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20137+4050 DOO 13 (HD 228446) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20137+4050 DOO 13 (HD 228446) : MEASURES
No records found.
WDS 20137+4050 (HD 228446) : 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 20137+4050 (HD 228446) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
