Home Page Updated on December 16, 2020
MisV1446
|
| R.A. | 07h41m12s.70 | |
| Decl. | -09o45'55".9 | (2000.0) |
| Mag. | 14.1-[15.6C | |
| Type | UG: |
= 1RXS J074112.2-094529
Digitized Sky Survey GIF image (15 x 15 arcmin)
Discovery Information
Seiichi Yoshida, Yokohama City, Kanagawa, Japan; discovered a possible new object from survey images taken by Youichirou Nakashima, Setouchi City, Okayama, Japan; in the course of the MISAO Project.
This object can be identified with an X-ray source 1RXS J074112.2-094529.
http://www.aerith.net/pub/MPRE2012-0001.gif
I checked the Minor Planet Checker, the SIMBAD database and 2MASS images, and found nothing at this position.
Diego Rodriguez confirmed the outburst of X-ray source 1RXS J074112.2-094529.
We the MISAO Project assigned a new variable star designation MisV1446 to this star.
Special Notes
Bright new object of 14.1 mag discovered from Youichirou Nakashima's survey images on 2012 Jan. 5. It will be an outburst of an X-ray source 1RXS J074112.2-094529.
ASAS-SN detected the new outburst at 14.69 mag on Mar. 20, 2017 [vsnet-alert 20807]. It faded out quickly, fainter than 17.12 mag, on Mar. 23 [vsnet-alert 20813].
Yutaka Maeda detected the new outburst at 13.9 mag on Oct. 23, 2018 [vsnet-alert 22647].
Research and Publication
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MisV1446: Outburst of an X-ray Source
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Survey of Period Variations of Superhumps in SU UMa-Type Dwarf Novae. IV: The Fourth Year (2011--2012)
PASJ: Publ. Astron. Soc. Japan , 1-?? (2013 February 23)
T. Kato, et al.
Light Curve
14.0 +--------------------------------------------------------+
| * v |
| v |
| * |
| v |
| v v |
| |
| v |
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| |
| v |
| v |
| v |
| v |
| v v vv v |
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| v v |
| v v v vvv v |
| v |
| v |
| v |
16.0 +--------------------------------------------------------+
2455542 2456310
2010 Dec. 11 2013 Jan. 17
Recent Observations
2018 Nov. 3.76650 14.8 cG Yutaka Maeda 2018 Nov. 2.86822 14.5 cG Yutaka Maeda 2018 Oct. 28.84671 13.8 cG Yutaka Maeda 2018 Oct. 27.82492 13.5 c Yutaka Maeda 2018 Oct. 26.80243 13.9 cG Yutaka Maeda 2018 Oct. 26.1465 13.93 V Eddy Muyllaert 2018 Oct. 25.818 13.7 visual Hiroyuki Maehara 2018 Oct. 24.75166 14.0 cG Yutaka Maeda 2018 Oct. 23.74742 13.9 c Yutaka Maeda 2018 Oct. 21.7457 [13.8 c Yutaka Maeda 2018 Oct. 20.7570 [16.1 c Yutaka Maeda 2018 Oct. 8.76455 [14.6 c Yutaka Maeda 2017 Mar. 23.296 [17.12 V ASAS-SN 2017 Mar. 20.300 14.69 V ASAS-SN 2017 Mar. 16.3 [16.71 V ASAS-SN 2017 Mar. 14.1 [15.93 V ASAS-SN 2014 Apr. 5.898 [18.2 C Eddy Muyllaert 2014 Mar. 1.994 [17.8 C Eddy Muyllaert 2014 Feb. 8.038 [17.5 C Eddy Muyllaert 2012 Jan. 17.932 17.50 CV Diego Rodriguez 2012 Jan. 17.930 17.13 CR Diego Rodriguez 2012 Jan. 8.923 14.65 CV Diego Rodriguez 2012 Jan. 8.919 14.66 CV Diego Rodriguez
Observations by MISAO Project
| Date | Mag | Filter | Observer |
|---|---|---|---|
| 2011 Jan. 15.77634 | [15.6 | C | Youichirou Nakashima |
| 2011 Jan. 15.77771 | [15.3 | C | Youichirou Nakashima |
| 2011 Jan. 15.77907 | [15.3 | C | Youichirou Nakashima |
| 2011 Mar. 23.53770 | [15.3 | C | Youichirou Nakashima |
| 2011 Mar. 23.53903 | [15.3 | C | Youichirou Nakashima |
| 2011 Mar. 23.54037 | [15.6 | C | Youichirou Nakashima |
| 2011 Nov. 20.77538 | [15.6 | C | Youichirou Nakashima |
| 2011 Nov. 20.77671 | [15.6 | C | Youichirou Nakashima |
| 2011 Nov. 20.77806 | [15.5 | C | Youichirou Nakashima |
| 2011 Dec. 24.80339 | [14.6 | C | Youichirou Nakashima |
| 2011 Dec. 24.80472 | [14.5 | C | Youichirou Nakashima |
| 2011 Dec. 24.80606 | [14.5 | C | Youichirou Nakashima |
| 2011 Dec. 24.80741 | [14.4 | C | Youichirou Nakashima |
| 2012 Jan. 5.62451 | 14.3 | C | Youichirou Nakashima |
| 2012 Jan. 5.62586 | 14.1 | C | Youichirou Nakashima |
| 2012 Jan. 5.62720 | 14.1 | C | Youichirou Nakashima |
| 2012 Jan. 17.59495 | [15.6 | C | Youichirou Nakashima |
| 2012 Jan. 17.59628 | [15.3 | C | Youichirou Nakashima |
| 2012 Jan. 17.59763 | [15.7 | C | Youichirou Nakashima |
| 2012 Jan. 30.64002 | [15.5 | C | Youichirou Nakashima |
| 2012 Jan. 30.64137 | [15.6 | C | Youichirou Nakashima |
| 2012 Jan. 30.64270 | [15.6 | C | Youichirou Nakashima |
| 2012 Feb. 2.65425 | [15.5 | C | Youichirou Nakashima |
| 2012 Feb. 2.65559 | [15.3 | C | Youichirou Nakashima |
| 2012 Feb. 2.65692 | [15.5 | C | Youichirou Nakashima |
| 2012 Feb. 12.59661 | [14.5 | C | Youichirou Nakashima |
| 2012 Feb. 12.59796 | [14.2 | C | Youichirou Nakashima |
| 2012 Feb. 12.59933 | [14.1 | C | Youichirou Nakashima |
| 2012 Feb. 19.58733 | [15.8 | C | Youichirou Nakashima |
| 2012 Feb. 19.58868 | [15.8 | C | Youichirou Nakashima |
| 2012 Feb. 19.59005 | [15.6 | C | Youichirou Nakashima |
| 2012 Mar. 21.56035 | [14.9 | C | Youichirou Nakashima |
| 2012 Mar. 21.56170 | [15.2 | C | Youichirou Nakashima |
| 2012 Mar. 21.56306 | [15.3 | C | Youichirou Nakashima |
| 2012 Oct. 23.74463 | [15.6 | C | Youichirou Nakashima |
| 2012 Oct. 23.74600 | [15.6 | C | Youichirou Nakashima |
| 2012 Oct. 23.74735 | [15.9 | C | Youichirou Nakashima |
| 2012 Dec. 13.67791 | [15.1 | C | Youichirou Nakashima |
| 2012 Dec. 13.67927 | [15.1 | C | Youichirou Nakashima |
| 2012 Dec. 13.68062 | [15.0 | C | Youichirou Nakashima |