Cataclysmic Variables Identified from 1RXS and USNO-B1.0 Catalogues

This page is an addendum to the paper by D. V. Denisenko and K. V. Sokolovsky (arXiv:1007.1798) accepted to Astronomy Letters (2011, Vol. 37, No. 2, pp. 91-99). The complete article can be downloaded from arXiv.org in pdf or PS formats.

List of newly discovered variable objects

1RXS...USNO-B1.0d, "RangeConstellationType
J043445.0+0306230931-00686251117.9-20.0 RTaurusQSO?
J072103.3-0558540840-01375922715.7-18.9 BMonocerosCV
J164103.6+7843071687-00611561917.8-20.0 RUrsa MinorCV?
J174320.1-0429530855-0326594415.1-18.1 ROphiuchusCV
J184542.4+4831341385-0291789316.6-21.3 BDracoQSO? CV!
J184543.6+6223341523-03139571316.9-19.7 BDracoCV
J185310.0+5945091497-0258111418.5R-15.4IDracoCV
J192926.6+2020381103-04210311716.6-19.0 RVulpeculaCV
J194151.4+7526211654-0092633917.8-20.5 BDracoCV
J222335.6+0745150977-07435602218.0-20.5 BPegasusCV

Note: d, " - distance of the variable star from the center of X-ray error circle in arcseconds

More details on new variable stars and QSOs

USNO-B1.0R.A.Dec.pmRApmDE B1R1B2R2I
0931-006862504 34 44.44+03 06 16.200 18.5717.8619.4919.9618.20
0840-013759207 21 02.87-05 59 20.400 15.7115.1718.8816.7816.80
1687-006115616 40 57.85+78 42 59.300 18.4717.8220.8719.99-
0855-032659417 43 20.29-04 29 57.118-16 16.1215.1518.9518.1317.10
1385-029178918 45 42.62+48 31 30.800 21.3219.8116.6119.4719.04
1523-031395718 45 42.29+62 23 44.0-28 16.8817.2819.6619.1118.52
1497-025811118 53 09.56+59 45 07.21612 17.7518.6617.8718.5115.44
1103-042103119 29 27.82+20 20 35.41010 17.5316.6020.1319.0216.62
1654-009263319 41 51.60+75 26 12.8-612 17.8418.2520.4619.5518.22
0977-074356022 23 34.16+07 45 19.3-12-18 17.9517.7220.5017.6017.63

Note: pmRA, pmDE - proper motion along Right Ascension and Declination from USNO-B1.0 in milliarcseconds per year

Color-combined finder charts of the newly discovered CVs

Each chart has a 10'x10' field of view centered at the variable object.

1RXS J072103.3-055854

1RXS J174320.1-042953

1RXS J184542.4+483134


Note: object is also an UV source GALEX J184542.6+483130 with FUV mag 20.41+/-0.24, NUV mag 19.91+/-0.11. Click here for comparison of 1953 POSS-I O, 1990 POSS-II B and 2006 UV images.

NEW! Finder chart with comparison stars

Object is currently being monitored with the Bradford Robotic Telescope. The images were obtained on 2010 July 5 (Request ID=189569), July 28 (RID=211706), Sep. 16 (R215782) and Oct. 14 (R222249).

HOT NEWS!!! (Dec. 17) Eugene Smirnov has measured the orbital period of this object to be 0.05491d. The phased light curve is available here.

1RXS J184543.6+622334

1RXS J185310.0+594509

1RXS J192926.6+202038

1RXS J194151.4+752621

1RXS J222335.6+074515

Denis Denisenko (d.v.denisenko at gmail.com)