10551-3100 OL 42 AB (HD 94640)
10h 55m 05.30s -30° 59' 34.2" P.A. 153.00 sep 3.6 mag 9.99,11.10 Sp A3V:
Coord 2000 |
10551-3100 |
|
Discov num |
OL 42 |
|
Comp |
AB |
|
Coord arcsec 2000 |
10 55 05.30 -30 59 34.2 |
|
Date first |
1910 |
|
Date last |
2016 |
|
Obs |
13 |
|
Pa first |
154 |
|
Pa last |
152.9 |
|
P.A. Now (θ) |
152.9° |
|
Sep first |
3.3 |
|
Sep last |
3.603 |
|
Sep. Now (ρ) |
3.603" |
|
Mag pri |
9.99 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
1.11 |
|
Spectral class |
A3V: (white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
+017 |
|
Pri motion dec |
+025 |
|
Sec motion dec |
-062 |
|
Notes |
|
|
rPM=1.385
This double is not physical.
10551-3100 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 94640 |
|
10 55 05 -30 59 34 |
OL 42 AB |
2016 |
13 |
153 |
3.6 |
9.99 |
11.10 |
1.11 |
|
<=== |
Show |
|
|
10 55 05 -30 59 34 |
OL 42 AC |
2017 |
10 |
37 |
35.3 |
9.99 |
10.97 |
0.98 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 94640 |
|
Constellation |
Hydra |
|
Tycho2 |
7199-01477-1 |
|
Gaia DR2 |
5451312306156023552 |
|
HD |
94640 |
|
WDS 10551-3100 OL 42 AB (HD 94640) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Ol_1907 |
Ma j |
Olivier, C.P. |
1907AN....174..209O |
Ol_1907 |
|
AN 174, 209, 1907 |
|
Ol_1908 |
Ma - |
Olivier, C.P. |
1908AN....177...33O |
Ol_1908 |
|
AN 177, 33, 1908 |
|
Ol_1909 |
Ma j |
Olivier, C.P. |
1909AN....182..253O |
Ol_1909 |
|
AN 182, 253, 1909 |
|
Ol_1910a |
Ma j |
Olivier, C.P. |
1910LicOB...5..185O |
Ol_1910a |
|
Lick Obs. Bull. 5, 185, 1910 |
|
Ol_1910b |
Ma - |
Olivier, C.P. |
1910LicOB...6...76O |
Ol_1910b |
|
Lick Obs. Bull. 6, 76, 1910 |
|
Ol_1916 |
Ma j |
Olivier, C.P. |
1916AJ.....30...63O |
Ol_1916 |
|
AJ 30, 63, 157, 1916,1917 |
|
Ol_1916b |
Ma j |
Olivier, C.P. |
1916AJ.....30...63O |
Ol_1916b |
|
AJ 30, 63, 1916 |
|
Ol_1917 |
Ma j |
Olivier, C.P. |
1917AJ.....30..157O |
Ol_1917 |
|
AJ 30, 157, 1917 |
|
Ol_1918 |
Ma - |
Olivier, C.P. |
1918AJ.....31..100O |
Ol_1918 |
|
AJ 31, 100, 1918 |
|
Ol_1920a |
Po j |
Olivier, C.P. |
. |
Ol_1920a |
|
Pub. McCormick Obs. 3, 679, 1920 |
|
Ol_1920b |
Po j |
Olivier, C.P. |
1920AJ.....32..179O |
Ol_1920b |
|
AJ 32, 179, 1920 |
|
Ol_1920c |
Ma j |
Olivier, C.P. |
1920AJ.....33...25O |
Ol_1920c |
+Po |
AJ 33, 25, 1920 |
|
Ol_1922 |
Ma j |
Olivier, C.P. |
1922AJ.....34..111O |
Ol_1922 |
|
AJ 34, 111, 1922 |
|
Ol_1923 |
Ma j |
Olivier, C.P. |
1923AJ.....35...20O |
Ol_1923 |
|
AJ 35, 20, 1923 |
|
Ol_1924 |
Ma - |
Olivier, C.P. |
1925AJ.....36...43O |
Ol_1924 |
|
AJ 36, 43, 1925 |
|
Ol_1925 |
Ma j |
Olivier, C.P. |
1925AJ.....36...43O |
Ol_1925 |
|
AJ 36, 43, 1925 |
|
Ol_1927 |
Ma - |
Olivier, C.P. |
1927PMcCO...4..331O |
Ol_1927 |
+Po |
Pub. McCormick Obs. 4, 331, 1927 |
|
Ol_1928 |
Ma j |
Olivier, C.P. |
1928AN....233..393O |
Ol_1928 |
+Po |
AN 233, 393, 1928 |
|
Ol_1932a |
Ma j |
Olivier, C.P. |
1932PUPFA...5a...1O |
Ol_1932a |
|
Pub. Univ. Penn. 5, Pt.1, Sec. 1, 1932 |
|
Ol_1932B |
Ma - |
Olivier, C.P. |
1932QB821.A43...... |
Ol_1932B |
|
cited in ADS (Aitken Double Star Cat.), 1932 |
|
Ol_1936 |
Ma - |
Olivier, C.P. |
1936AN....258..409O |
Ol_1936 |
+Po |
AN 258, 409, 1936 |
|
Ol_1938 |
Ma - |
Olivier, C.P. |
1938AJ.....47..100O |
Ol_1938 |
|
AJ 47, 100, 1938 |
|
Ol_1939 |
Ma j |
Olivier, C.P. |
1939PFAO....5b...1O |
Ol_1939 |
|
Pub. Univ. Penn. 5, Pt.2, Sec. 1, 1939 |
|
Ol_1940 |
Ma - |
Olivier, C.P. |
1940PA.....48..173O |
Ol_1940 |
|
Popular Astron. 48, 173, 1940 |
|
Ol_1949 |
Ma j |
Olivier, C.P. |
1949PFAO....7a...1B |
Ol_1949 |
|
Pub. Univ. Penn. 7, Pt.1, Sec.2, 1949 |
|
Ol_1957 |
Ma - |
Olivier, C.P. |
1957QB4.P5v7ps3.... |
Ol_1957 |
|
Pub. Univ. Penn. 7, Pt.3, 1, 1957 |
|
Ol_9999 |
Ma - |
Olivier, C.P. |
................... |
Ol_9999 |
|
Unpublished, manuscript or reference not found. |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
10551-3100 |
OL 42 |
AB |
1999 |
9 |
154 |
3.4 |
9.99 |
11.10 |
A3V: |
D |
105505.30-305934.2 |
10551-3100 |
OL 42 |
AB |
2015 |
11 |
153 |
3.6 |
9.99 |
11.10 |
A3V: |
|
105505.30-305934.2 |
10551-3100 |
OL 42 |
AB |
2016 |
13 |
153 |
3.6 |
9.99 |
11.10 |
A3V: |
|
105505.30-305934.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 10551-3100 OL 42 AB (HD 94640) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 10551-3100 OL 42 AB (HD 94640) : MEASURES
No records found.
WDS 10551-3100 (HD 94640) : VIRTUAL EYEPIECE
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WDS 10551-3100 (HD 94640) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.