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Latest Details
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Name
  KO Ser  
AAVSO UID
000-BFM-074 (No observations)  
Constellation
Serpens Sequence
J2000.0
18 17 00.84 -15 18 19.6  (274.25352 -15.30544) Search nearby
B1950.0 18 14 08.86 -15 19 27.7
Galactic coord. 15.429 +0.463
Other names

(Internal only)
2MASS J18170085-1518195 ASASSN-V J181700.85-151819.6 Maffei 7
OGLE-BLG-LPV-261194 OGLE-IV BLG780.32.10  
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Variability type
M
Spectral type --
Mag. range
10.5 - 13.6 Ic
Discoverer Paolo Maffei
Epoch
03 Oct 2014 (HJD 2456934.0) Ephemeris
Outburst --
Period 283.8 d
Rise/eclipse dur. --
Remarks
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
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 P.Maffei, IBVS N985, 1975. 1975IBVS..985....1M
External Links
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Location    Go   
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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 = 7.37H = 5.98K = 5.20J - K = 2.17
AllWISE W1 = 4.71W2 = 4.06W3 = 3.39W4 = 2.43W1 - W2 = 0.66W3 - W4 = 0.96
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 17 00.84 -15 18 19.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 ASCC 94 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2023-02-21 21:43 UTC Period from 2022ApJS..260...46I. Gaia DR3 position.
3 Nesci, Roberto 2022-09-01 19:38 UTC Period, epoch and range from 2022OEJV..230....1N. Gaia DR3 position.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.