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	<id>https://www.sternwarte.uni-erlangen.de/wiki/index.php?action=history&amp;feed=atom&amp;title=GX_301-2</id>
	<title>GX 301-2 - Revision history</title>
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	<updated>2026-05-30T03:07:55Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.sternwarte.uni-erlangen.de/wiki/index.php?title=GX_301-2&amp;diff=1252&amp;oldid=prev</id>
		<title>Kuehnel: Created page with &quot;Category:Accreting X-ray Pulsars  '''Other names''' : 4U 1223-62 ([http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=gx+301-2&amp;submit=SIMBAD+search Simbad])  '''Monitoring...&quot;</title>
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		<updated>2018-04-18T13:28:46Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&lt;a href=&quot;/wiki/index.php/Category:Accreting_X-ray_Pulsars&quot; title=&quot;Category:Accreting X-ray Pulsars&quot;&gt;Category:Accreting X-ray Pulsars&lt;/a&gt;  &amp;#039;&amp;#039;&amp;#039;Other names&amp;#039;&amp;#039;&amp;#039; : 4U 1223-62 ([http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=gx+301-2&amp;amp;submit=SIMBAD+search Simbad])  &amp;#039;&amp;#039;&amp;#039;Monitoring...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[Category:Accreting X-ray Pulsars]]&lt;br /&gt;
&lt;br /&gt;
'''Other names''' : 4U 1223-62 ([http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=gx+301-2&amp;amp;submit=SIMBAD+search Simbad])&lt;br /&gt;
&lt;br /&gt;
'''Monitoring data''':&lt;br /&gt;
[http://xte.mit.edu/asmlc/srcs/gx301-2.html RXTE/ASM]&lt;br /&gt;
[http://swift.gsfc.nasa.gov/docs/swift/results/transients/GX301-2// Swift/BAT]&lt;br /&gt;
[http://maxi.riken.jp/top/index.php?cid=1&amp;amp;jname=J1226-627 MAXI]&lt;br /&gt;
[http://gammaray.nsstc.nasa.gov/gbm/science/pulsars/lightcurves/gx301m2.html Fermi/GBM pulsed flux]&lt;br /&gt;
[http://gammaray.nsstc.nasa.gov/gbm/science/occultation/lightcurves/GX301-2_multichan_fluxhist.png Fermi/GBM occultation]&lt;br /&gt;
&lt;br /&gt;
= Coordinates = &lt;br /&gt;
&lt;br /&gt;
RA 12h 26‘ 37.561“ DEC -62° 46‘ 13.16“&lt;br /&gt;
&lt;br /&gt;
= Binary system =&lt;br /&gt;
&lt;br /&gt;
Distance: 3 kpc (&amp;lt;ref name=&amp;quot;Kaper06&amp;quot; /&amp;gt;) &lt;br /&gt;
&lt;br /&gt;
== Orbit ==&lt;br /&gt;
&lt;br /&gt;
[[File:gx301_skizze3.png|300px|697]]&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
!Parameter  &lt;br /&gt;
!Value  &lt;br /&gt;
! Unit &lt;br /&gt;
!Reference &lt;br /&gt;
|- &lt;br /&gt;
|P&amp;lt;sub&amp;gt;orb&amp;lt;/sub&amp;gt; &lt;br /&gt;
| 41.498(2)    &lt;br /&gt;
| days   &lt;br /&gt;
| &amp;lt;ref name=&amp;quot;Koh97&amp;quot; /&amp;gt; &lt;br /&gt;
|- &lt;br /&gt;
|T&amp;lt;sub&amp;gt;0&amp;lt;/sub&amp;gt;  &lt;br /&gt;
| 48802.79(12) &lt;br /&gt;
| MJD     &lt;br /&gt;
| &amp;lt;ref name=&amp;quot;Koh97&amp;quot; /&amp;gt; &lt;br /&gt;
|- &lt;br /&gt;
| a sin i        &lt;br /&gt;
| 368.3±3.7      &lt;br /&gt;
| lt-sec &lt;br /&gt;
| &amp;lt;ref name=&amp;quot;Koh97&amp;quot; /&amp;gt;   &lt;br /&gt;
|- &lt;br /&gt;
| e              &lt;br /&gt;
| 0.462±0.0.14     &lt;br /&gt;
|        &lt;br /&gt;
| &amp;lt;ref name=&amp;quot;Koh97&amp;quot; /&amp;gt;   &lt;br /&gt;
|- &lt;br /&gt;
| omega          &lt;br /&gt;
| 310.3±1.4       &lt;br /&gt;
| deg    &lt;br /&gt;
| &amp;lt;ref name=&amp;quot;Koh97&amp;quot; /&amp;gt;   &lt;br /&gt;
|- &lt;br /&gt;
| i              &lt;br /&gt;
| 60       &lt;br /&gt;
| deg    &lt;br /&gt;
| &amp;lt;ref name=&amp;quot;Kaper06&amp;quot; /&amp;gt;       &lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
== Optical Companion ==&lt;br /&gt;
&lt;br /&gt;
'' Names''': Wray 977&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
!Parameter &lt;br /&gt;
!Value &lt;br /&gt;
!Unit &lt;br /&gt;
!Reference &lt;br /&gt;
|- &lt;br /&gt;
|M&amp;lt;sub&amp;gt;opt&amp;lt;/sub&amp;gt; &lt;br /&gt;
| 39 - 68 &lt;br /&gt;
| M&amp;lt;sub&amp;gt;⊙&amp;lt;/sub&amp;gt; &lt;br /&gt;
| &amp;lt;ref name=&amp;quot;Kaper06&amp;quot; /&amp;gt; &lt;br /&gt;
|- &lt;br /&gt;
|R&amp;lt;sub&amp;gt;opt&amp;lt;/sub&amp;gt; &lt;br /&gt;
| 62 &lt;br /&gt;
| R&amp;lt;sub&amp;gt;⊙&amp;lt;/sub&amp;gt; &lt;br /&gt;
| &amp;lt;ref name=&amp;quot;Kaper06&amp;quot; /&amp;gt; &lt;br /&gt;
|- &lt;br /&gt;
|V    &lt;br /&gt;
| 10.83 &lt;br /&gt;
| &lt;br /&gt;
| &amp;lt;ref name=&amp;quot;Kaper06&amp;quot; /&amp;gt; &lt;br /&gt;
|- &lt;br /&gt;
|K    &lt;br /&gt;
| 5.25 &lt;br /&gt;
| &lt;br /&gt;
| &amp;lt;ref name=&amp;quot;Kaper06&amp;quot; /&amp;gt; &lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
'''References'''&lt;/div&gt;</summary>
		<author><name>Kuehnel</name></author>
	</entry>
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