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Latest Details
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Name
  Dauban V20  
AAVSO UID
000-BKW-472 (No observations)  
Constellation
Vulpecula Sequence
J2000.0
19 09 57.00 +25 08 32.7  (287.48751 +25.14243) Search nearby
B1950.0 19 07 53.17 +25 03 35.9
Galactic coord. 57.444 +7.396
Other names

(Internal only)
2MASS J19095699+2508325 ASAS J190957+2508.5 ASASSN-V J190957.15+250832.8
CMC14 J190956.9+250832 GSC2.3 N23R039221 IRAS 19078+2503
UCAC4 576-077396 USNO-B1.0 1151-0336190 ZTF J190957.00+250832.6
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Variability type
M
Spectral type --
Mag. range
16.780 (4.553) g
Discoverer Jerome Caron, Francois Kugel
Epoch
10 Dec 2012 (HJD 2456272) Ephemeris
Outburst --
Period 395: d
Rise/eclipse dur. --
Remarks
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1 Caron, Jerome J-K= 1.63. ASAS-3 V magnitudes were corrected for light contamination from nearby stars, and shifted by 3.2 to match the CR Dauban scale. V=14.7 derived from CMC14, V=14.7 derived from UCAC-3, V=16.0 in YB6 and V=17.4 in GSC2.3. The period given is uncertain due to lack of data.
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars		 2020arXiv200508662C
3 J. Caron, F. Kugel, 2013, Dauban survey (online data) --
4 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
External Links
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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 = 7.10H = 6.05K = 5.47J - K = 1.63
AllWISE W1 = 5.29W2 = 4.31W3 = 3.16W4 = 1.98W1 - W2 = 0.98W3 - W4 = 1.18
Images
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Supporting Documents
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2 phase plot Caron, Jerome 2013-02-25 12:12 UTC
1 JD lightcurve Caron, Jerome 2013-02-24 00:36 UTC
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Otero, Sebastian Alberto 2021-10-26 08:08 UTC Update from 2020arXiv200508662C. Gaia EDR3 position.
1 Caron, Jerome 2013-02-25 19:23 UTC Initial submission.

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