07241-2918 SMY 2 (Aludra)
07h 24m 05.70s -29° 18' 11.2" P.A. 287.00 sep 177.0 mag 2.45,6.77 Sp B5Ia dist. 609.76 pc (1989.04 l.y.)
| Coord 2000 |
07241-2918 |
|
Discov num |
SMY 2 |
|
Comp |
|
|
Coord arcsec 2000 |
07 24 05.70 -29 18 11.2 |
|
| Date first |
1833 |
|
Date last |
2020 |
|
Obs |
16 |
|
| Pa first |
285 |
|
Pa last |
286.7 |
|
P.A. Now (θ) |
286.7° |
|
| Sep first |
169.0 |
|
Sep last |
177.004 |
|
Sep. Now (ρ) |
177.004" |
|
| Mag pri |
2.45 |
|
Mag sec |
6.77 |
|
delta mag (ΔM) |
4.32 |
|
Spectral class |
B5Ia (blue-white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
+006 |
|
Sec motion dec |
-001 |
|
| Notes |
N
(See Notes) |
|
rPM=0.905
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Aludra |
|
Constellation |
Canis Major |
|
SAO |
173651 |
|
HIP |
35904 |
|
| Tycho2 |
6550-04525-1 |
|
Gaia DR2 |
5605797190260657152 |
|
HD |
58350 |
|
HR |
2827 |
|
| GC |
9881 |
|
CD |
CD-29 4328 |
|
CP |
CP-29 1680 |
|
Bayer |
Eta Canis Majoris |
|
| Bayer name |
Eta CMa |
|
Flamsteed |
31 Canis Majoris |
|
Flamsteed name |
31 CMa |
|
FK5 |
283 |
|
| Distance |
609.76 |
|
Distance ly |
1989.04 |
|
Bayer greek |
η CMa |
|
WDS 07241-2918 SMY 2 (Aludra) : NOTES
| discov_num |
notes |
refcode |
| SMY 2 |
eta CMa = 31 CMa = Aludra. B is CD-29@4321. |
|
REFERENCES
| refcode |
metd |
author |
reference |
| Smy1833A |
- |
Smyth, W.H. |
1833MmRAS...5...13H |
| Smy1833A |
|
cited by Herschel (MemRAS 5, 13, 1833) |
|
| Smy1844 |
Ma - |
Smyth, W.H. |
1844QB43.S66....... |
| Smy1844 |
|
Cycle of Celestial Objects 2, 1844 |
|
| Smy1845 |
Ma - |
Smyth, W.H. |
1845MNRAS...6..229S |
| Smy1845 |
|
MNRAS 6, 229, 1845 |
|
| Smy1852A |
Ma - |
Smyth, W.H. |
. |
| Smy1852A |
|
cited by Bishop (Bishop Obs. Astron. Observations 1852) |
|
| Smy1857 |
Ma j |
Smyth, W.H. |
1857MNRAS..17..262S |
| Smy1857 |
|
MNRAS 17, 262, 1857 |
|
| Smy1858 |
Ma j |
Smyth, W.H. |
1858MNRAS..18..316S |
| Smy1858 |
|
MNRAS 18, 316, 1858 |
|
| Smy1860 |
Ma - |
Smyth, W.H. |
. |
| Smy1860 |
+orb |
Speculum Hartwellianum, 1860 |
|
| Smy1860B |
- |
Smyth, W.H. |
1860MmRAS..28...13J |
| Smy1860B |
|
cited by Jacob (MemRAS 28, 13, 1860) |
|
| Smy1874A |
- |
Smyth, W.H. |
1874MNRAS..35...28B |
| Smy1874A |
|
cited by Burnham (MNRAS 35, 28, 1874) |
|
| Smy1875A |
Ma - |
Smyth, W.H. |
1875AN.....85..323D |
| Smy1875A |
|
cited by Doberck, 1875 (see Dob1875b,f,g,h) |
|
| Smy1876A |
Ma - |
Smyth, W.H. |
1876AReg...14..165W |
| Smy1876A |
|
cited by Ward (Wrd1876 = Astr. Reg. 14, 165, 1876) |
|
| Smy1878A |
- |
Smyth, W.H. |
1878Obs.....2..269G |
| Smy1878A |
|
cited by Gledhill (Obs 2, 269, 1878) |
|
| Smy1880A |
- |
Smyth, W.H. |
1880Obs.....3..508G |
| Smy1880A |
|
cited by Gledhill (Obs 3, 508, 1880) |
|
| Smy1880B |
Ma - |
Smyth, W.H. |
1880MNRAS..40..497B |
| Smy1880B |
|
cited by Burnham (MNRAS 40, 497, 1880) |
|
| Smy1906A |
Ma - |
Smyth, W.H. |
1906MmRAS..56....1L |
| Smy1906A |
|
cited by Lewis (MemRAS 56, 1, 1906) |
|
| Smy1937A |
Ma - |
Smyth, W.H. |
1937AnLei..18....1S |
| Smy1937A |
|
cited by Strand (Ann. Sterrew. Leiden 18, 1937) |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 07241-2918 |
SMY 2 |
|
1999 |
13 |
286 |
179.0 |
2.45 |
6.77 |
B5Ia |
N D |
072405.70-291811.2 |
| 07241-2918 |
SMY 2 |
|
2010 |
15 |
286 |
178.0 |
2.45 |
6.77 |
B5Ia |
N |
072405.70-291811.2 |
| 07241-2918 |
SMY 2 |
|
2020 |
16 |
287 |
177.0 |
2.45 |
6.77 |
B5Ia |
N |
072405.70-291811.2 |
If you need more information about this double, apply for a
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WDS 07241-2918 SMY 2 (Aludra) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 07241-2918 SMY 2 (Aludra) : MEASURES
No records found.
WDS 07241-2918 (Aludra) : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 07241-2918 (Aludra) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
