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Latest Details
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| Name |
NT 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 45 48.33 -22 12 46.5 |
| Proper motion |
| RA: 12.2 +/- 4.2 mas/y | Dec: 18.7 +/- 13.6 mas/y | Source: UCAC4 |
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| Galactic coord. |
12.746 -9.353 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J18484878-2209201 |
AAVSO 1842-22 |
ASAS J184849-2209.4 |
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ASASSN-V J184848.86-220920.0 |
HV 4176 |
IRAS 18458-2212 |
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| Variability type |
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M |
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| Spectral type |
Me |
| Mag. range |
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10.87 - <16.4 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
342.3 d |
| 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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VSP Note: 15.8 mag. star 12" to the NE and 15.3 mag. star 23" to the E. |
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2 |
Otero, Sebastian Alberto
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ASAS-3 magnitudes contaminated by UCAC4 340-171406 (V= 15.8; sep. 12") and 2MASS J18485037-2209250 (V= 15.34; sep. 23"). Range has been corrected. |
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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 |
G.Pojmanski, Acta Astronomica 52, 397, 2002. |
2002AcA....52..397P |
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2 |
D.Hoffleit, AJ 66, 188, 1961. |
1961AJ.....66..188H |
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3 |
C.J.Kooreman, Leid Ann 21, N5, 293, 1960. |
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External Links
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Location
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Catalog Data
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Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
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2MASS
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J = 6.03 | H = 5.16 | K = 4.57 | J - K = 1.47 |
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AllWISE
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W1 = 4.12 | W2 = 3.15 | W3 = 1.86 | W4 = 0.74 | W1 - W2 = 0.97 | W3 - W4 = 1.12 |
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APASS-DR9
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B = 13.30 | V = 11.59 | g' = 12.37 | r' = 10.82 | i' = 10.05 | B - V = 1.71 |
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Images
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Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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There are currently no supporting documents on file for this star.
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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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3 |
Otero, Sebastian Alberto
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2014-04-18 01:44 UTC |
Primary record creation. Type, period, epoch and maximum magnitude from ASAS-3 data. Minimum magnitude derived from UCAC3. UCAC4 position. |
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2 |
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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1 |
Admin, VSX
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2005-12-18 01:33 UTC |
Initial upload. |
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