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Latest Details
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| Name |
FM Sgr |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
18 14 15.29 -23 39 37.2 |
| Galactic coord. |
8.118 -3.547 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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AAVSO 1811-23 |
Downes FM Sgr |
HV 3994 |
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N Sgr 1926 |
Nova Sagittarii 1926 |
Nova Sgr 1926 |
(Not logged in) Add name
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| Variability type |
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NA |
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| Spectral type |
-- |
| Mag. range |
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8.2:p - 18.3 g |
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| Discoverer |
A. J. Cannon |
| Epoch |
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30 Jul 1926 (HJD 2424727) |
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| Outburst |
1926 |
| Period |
-- |
| Rise/eclipse dur. |
-- |
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Remarks
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Some references may be clicked to view in new window. Roll over index number to view submission details.
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1 |
Otero, Sebastian Alberto
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Uncertain identification. Downes et al. chart is centered at the position of Gaia DR3 4065603471127909504 (18 17 18.05 -23 38 27.3, J2000.0), G= 19.1; V= 19.5. That star seems to be too faint for a nova and it is 3" to the WNW of the star identified as FM Sgr in the GCVS (at 18 17 18.21 -23 38 28.2, J2000.0), which has G= 17.4; V= 17.8. Remark in 1927BHarO.843....1C says: "On plates taken with the 24-inch Bruce telescope, there is a star between the 16th and 17th mag.which may coincide with the nova. A star of the 14th mag. follows the faint star 3s and is in nearly the same declination.". No such a pair can be found in the area in Pan-STARRS1 images other than the two stars currently identified as the nova in the two sources mentioned above, but their B magnitudes are 4 mag. fainter than the values given in 1927BHarO.843....1C, so it is not possible to confirm the Downes et al ID. |
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References
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Click reference title/citation to view in new window. Roll over index number to view submission details.
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1 |
R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) |
2005JAD....11....2D |
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2 |
R.A. Downes et al., 2001, PASP 113, 764 |
2001PASP..113..764D |
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3 |
F.M.Bateson, A.F.Jones, I.Stranson, Charts for Southern Variables. ser.4,
1967-68. |
-- |
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4 |
A.J.Cannon, HB N843, 1927. |
1927BHarO.843....1C |
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Location
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Images
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Supporting Documents
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Campaigns/Programs
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Legacy CVs
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Revision History
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Currently approved revision is checked. Click revision number to view details of that revision.
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4 |
Otero, Sebastian Alberto
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2025-03-09 04:25 UTC |
Remark about identification added. Minimum magnitude form Pan-STARRS1. Gaia DR3 position. |
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3 |
Admin, VSX
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2010-01-05 04:43 UTC |
Position updated from the GCVS version of November 2009. |
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2 |
Admin, VSX
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2007-03-23 19:52 UTC |
Discoverer added. |
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1 |
Admin, VSX
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2005-12-18 01:33 UTC |
Initial database population. |
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