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Name
  V0531 Lyr  
AAVSO UID
000-BCC-592 (172 observations)  
Constellation
Lyra Sequence
J2000.0
18 32 17.09 +36 25 34.3  (278.07121 +36.42619) Search nearby
B1950.0 18 30 32.09 +36 23 16.8
Proper motion
RA: 20.045 +/- 0.061 mas/yDec: 11.732 +/- 0.068 mas/ySource: Gaia DR1
Galactic coord. 64.768 +19.301
Other names

(Internal only)
2MASS J18321706+3625342 ASCC 507481 BD+36 3167
GSC 02636-00915 Gaia DR3 2095953562395282944 HD 171275
HIP 90880 SAO 67085 TIC 289321133
TYC 2636-915-1 UCAC4 633-062283  
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Variability type
EA+DSCT
Spectral type F0
Mag. range
8.20 - 8.58 V
Discoverer --
Epoch
08 Oct 2003 (HJD 2452921.138) Ephemeris
Outburst --
Period 15.40277 d
Rise/eclipse dur. 3.7%  (0.570 d)
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Nasonov, Dmitry Eccentric system. Min II = 8.55 V at phase 0.4687, duration 4.2%. DSCT variations with elements HJD 2460480.090 + 0.130597 x E, amplitude 0.017 TESS.
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References
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1 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source		 2022yCat.1355....0G
2 Huang, C. X.; et al., 2020, Photometry of 10 Million Stars from the First
Two Years of TESS Full Frame Images: Part I		 2020RNAAS...4..204H
3 Burggraaff, O.; et al., 2018, Studying bright variable stars with the
Multi-site All-Sky CAmeRA (MASCARA)		 2018A&A...617A..32B
4 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200		 1997yCat.1239....0E
5 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
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 = 7.45H = 7.32K = 7.24J - K = 0.21
AllWISE W1 = 7.23W2 = 7.26W3 = 7.26W4 = 7.27W1 - W2 = -0.03W3 - W4 = -0.01
Images
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Supporting Documents
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3 phase plot with pulsating variations Nasonov, Dmitry 2025-04-25 20:16 UTC Light curve from TESS QLP photometry data folded with the best pulsation period
2 phase plot Nasonov, Dmitry 2025-04-21 14:56 UTC Light curve from Hipparcos, TESS QLP, Gaia DR3 and MASCARA photometry data folded with the best orbital period
1 zoomed phase plot Nasonov, Dmitry 2025-04-21 14:46 UTC Light curve from Hipparcos, TESS QLP, Gaia DR3 and MASCARA photometry data folded with the best orbital period, zoomed on minima
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Nasonov, Dmitry 2025-04-19 18:30 UTC Type, minimum magnitude, period, epoch and eclipse duration from Hipparcos, TESS QLP, Gaia DR3 and MASCARA data. Maximum magnitude from GCPD data.
4 Admin, VSX 2010-02-27 05:35 UTC Update from [R. Nelson, 2009, EB Elements 5e].
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 19:53 UTC Added spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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