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Latest Details
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Name
  V0404 Ser  
AAVSO UID
000-BFJ-237 (No observations)  
Constellation
Serpens Sequence
J2000.0
18 18 47.47 -12 37 12.3  (274.69778 -12.62008) Search nearby
B1950.0 18 15 58.81 -12 38 28.2
Galactic coord. 17.999 +1.356
Other names

(Internal only)
2MASS J18184746-1237123 ASASSN-V J181847.46-123712.4 Maffei 12
OGLE-BLG-LPV-261696 OGLE-IV BLG777.05.59 V3917 Sgr
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Variability type
M
Spectral type --
Mag. range
12.2 - 14.4 Ic
Discoverer Paolo Maffei
Epoch
26 Mar 2015 (HJD 2457108.0) Ephemeris
Outburst --
Period 336.7 d
Rise/eclipse dur. --
Remarks
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1 2006IBVS.5721....1K V3917 Sgr is now V404 Ser. One of a list of 38 variable stars historically named not in their proper constellations, because of erroneous coordinates or of changes in the constellation boundaries.
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References
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1 Nesci, R.; Soszynski, I.; Tuvikene, T., 2022, Period Changes of Mira
Variables in the M16 - M17 Region
2022OEJV..230....1N
2 Iwanek, P.; et al., 2022, The OGLE Collection of Variable Stars: Nearly
66,000 Mira Stars in the Milky Way
2022ApJS..260...46I
3 The 78th Name-List of Variable Stars 2006IBVS.5721....1K
4 P.Maffei, IBVS N985, 1975. 1975IBVS..985....1M
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 7.75H = 6.40K = 5.68J - K = 2.07
AllWISE W1 = 5.48W2 = 4.91W3 = 4.29W4 = 3.66W1 - W2 = 0.58W3 - W4 = 0.63
Images
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Supporting Documents
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Revision History
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5 Otero, Sebastian Alberto 2023-02-21 21:47 UTC Period from 2022ApJS..260...46I. Gaia DR3 position.
4 Nesci, Roberto 2022-09-01 19:40 UTC Period, epoch and range from 2022OEJV..230....1N. Gaia DR3 position.
3 Admin, VSX 2010-01-05 04:43 UTC Update from the GCVS version of November 2009.
2 Admin, VSX 2007-04-02 17:06 UTC Designation updated to that given in The 78th Name-List of Variable Stars.
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.