Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
  AS LMi  
000-BKW-029 (1202 observations)  
Leo Minor Sequence
09 53 10.00 +33 53 52.8  (148.29167 +33.89800) Search nearby
B1950.0 09 50 12.32 +34 08 02.8
Proper motion
RA: 2.441 +/- 2.039 mas/yDec: -16.169 +/- 3.062 mas/ySource: Gaia DR1
Galactic coord. 191.664 +51.314
Other names

(Internal only)
2MASS J09531000+3353527 CMC14 J095310.0+335352 CSS_J095310.0+335351
GSC 02505-00672 GSC2.3 N9AZ000097 IRAS F09501+3408
MASTER OT J095310.04+335352.8 NSVS 7507001 SDSS J095309.98+335352.6
TYC 2505-672-1 USNO-B1.0 1238-0188417  
(Not logged in)  Add name
Variability type
Spectral type M1IIIe+sdB
Mag. range
10.7 - 15.4 V
Discoverer D. Denisenko et al. (MASTER)
02 Dec 2012 (HJD 2456264) Ephemeris
Outburst --
Period 25245 d  (69.12 y)
Rise/eclipse dur. 5%  (3 y)
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Jansen, R Fading in 1942, brightening in 1945. Fading in 2011, brightening in 2014.
2 Otero, Sebastian Alberto J-K= 1.05. B-V= 1.35 at V= 15.0 (APASS).
3 2013ATel.4784....1D Bright early 2011, fading at the end of 2011, and faint afterwards.
(Not logged in)  Add remark
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Kazarovets, E.V.; Samus, N.N.; Durlevich, O.V. et al., 2019, The 82nd
Name-List of Variable Stars. Part I - RA 0hr to 18hr, Novae and
Globular-cluster Variables
2 Rodriguez, J. E.; et al., 2016, An Extreme Analogue of $epsilon$ Aurigae:
An M-giant Eclipsed Every 69 Years by a Large Opaque Disk Surrounding a
Small Hot Source
3 V. Lipunov; E. Gorbovskoy; V. Afanasiev; et al., 2016, Discovery of an
unusual bright eclipsing binary with the longest known period: TYC
2505-672-1/MASTER OT J095310.04+335352.8
4 Afanasiev, V.; Denisenko, D.; et al., 2013, ATel #4834 2013ATel.4834....1A
5 D. Denisenko, E. Gorbovskoy, V. Lipunov et al., 2013, ATel #4784 2013ATel.4784....1D
6 Catalina Real-time Transient Survey (A.J. Drake, et al. 2009) 2009ApJ...696..870D
7 Wozniak, P.R., et al., 2004, Northern Sky Variability Survey: Public Data
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
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 = 7.61H = 6.78K = 6.57J - K = 1.05
AllWISE W1 = 6.50W2 = 6.54W3 = 6.32W4 = 5.73W1 - W2 = -0.04W3 - W4 = 0.59
APASS-DR9 B = 16.38V = 15.03g' = 15.71r' = 14.54i' = 13.76B - V = 1.35
SDSS-DR12 u = 15.55g = 14.47r = 13.74i = 13.08z = 12.08u - g = 1.08r - i = 0.67
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
Supporting Documents
Click document name to open or save. Browser plug-in or other software may be required for viewing.
4 Light curve from 1891 to 2014 Jansen, R 2014-08-03 11:12 UTC Light curve combining Harvard DASCH, 2MASS, NSVS, CRTS and MASTER data, all transformed or shifted to the APASS V scale, and AAVSO observations
3 Phase plot with Harvard DASCH photometry Jansen, R 2014-07-27 18:02 UTC Phase plot from observations 1890-2014, showing that the star is nearly constant between eclipse-like faintenings.
2 Light curve with available survey data Otero, Sebastian Alberto 2013-02-05 06:02 UTC Light curve combining CRTS, MASTER, APASS, Tycho, SDSS and NSVS data transformed or shifted to the APASS V scale.
1 Light curve from 2009 to Feb.2012 Otero, Sebastian Alberto 2013-02-05 05:58 UTC Light curve combining CRTS, APASS and MASTER data shifted to the APASS V scale.
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
7 Admin, VSX 2019-04-03 21:08 UTC Name from [2019IBVS.6261....1K].
6 Otero, Sebastian Alberto 2017-07-06 21:17 UTC Discoverers added.
5 Otero, Sebastian Alberto 2016-01-29 15:18 UTC Range from AAVSO V data. Secondary's spectral type from 2016arXiv160100135R.
4 Jansen, R 2014-07-27 18:02 UTC Revision of variable type.
Added: phase plots, period, epoch, eclipse duration, spectral type from 2013ATel.4834....1A.
3 Otero, Sebastian Alberto 2013-02-05 06:02 UTC Reference and light curve added.
2 Otero, Sebastian Alberto 2013-02-05 05:58 UTC Type and range from CRTS, APASS, Tycho, NSVS and MASTER data.
1 Admin, VSX 2013-02-04 23:05 UTC Preserved original object data.