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Latest Details
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| Name |
V3800 Sgr |
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| AAVSO UID |
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000-BFJ-139 (No observations) |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
18 16 55.84 -26 42 11.0 |
| Proper motion |
| RA: -16.3 +/- 6.1 mas/y | Dec: -3.5 +/- 4.8 mas/y | Source: UCAC4 |
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| Galactic coord. |
5.715 -5.519 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J18200297-2640503 |
ASAS 182002-2640.7 |
ASAS J182002-2640.7 |
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ASASSN-V J182002.99-264050.6 |
EPIC 222991610 |
GSC 06852-03773 |
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Gaia DR2 4052769073687111680 |
Gaia DR3 4052769073687111680 |
TIC 128488286 |
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UCAC4 317-171556 |
WISE J182002.9-264050 |
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| Variability type |
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SR |
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| Spectral type |
M |
| Mag. range |
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12.7 - 14.6 V |
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| Discoverer |
D. Hoffleit |
| Epoch |
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| Outburst |
-- |
| Period |
86.1 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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Remark in 1972IBVS..660....1H says "Blended with three companions, one of which has M-type spectrum.", but the only variable is indeed that M-type star. The range 14.0 - 15.4 p and RR-type variability published for V3800 Sgr is not seen in UCAC4 317-171506, a constant V= 14.9 mag. star identified as the variable in the GCVS. |
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2 |
Otero, Sebastian Alberto
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ASAS-3 and ASAS-SN magnitudes contaminated by UCAC4 317-171543 (V= 17.1; sep. 9"), UCAC4 317-171506 (V= 14.9; sep. 10") and UCAC4 317-171606 (V= 14.6; sep. 12"). 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 |
Creevey, O. L.; et al., 2023, Gaia Data Release 3: Astrophysical parameters
inference system (Apsis) I -- methods and content overview |
2023A&A...674A..26C |
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2 |
Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source |
2022yCat.1355....0G |
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3 |
Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0 |
2017PASP..129j4502K |
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4 |
G.Pojmanski, Acta Astronomica 52, 397, 2002. |
2002AcA....52..397P |
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5 |
D.Hoffleit, IBVS N660, 1972. |
1972IBVS..660....1H |
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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 = 12.84 | H = 12.34 | K = 12.27 | J - K = 0.57 |
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Images
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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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