Kapteyn’s Star: Difference between revisions
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Ericmamajek (talk | contribs) Created page with "modern name for HD 33793 = GJ 191, a high proper motion M1 subdwarf at d=4pc (V=8.8). ==Etymology and History== This was 2nd highest proper motion star in 1927 according to Luyten and still is! (8.7”/yr). It was pointed out as highest proper motion (at time) by Kapteyn (1897) “Stern mit grösster bislang bekannter Eigenbewegung” (“Star with largest self-motion known to date”) Name appears to be from Luyten (1927) “Note on the Magnitude and Spectrum of Kap..." |
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Modern name for HD 33793 = GJ 191, a high proper motion M1 subdwarf at d=4pc (V=8.8) in [[Pictor]]. The star was unusual – very blue but M1 type, high pm and very high radial velocity (242 km/s). Two recent exoplanet candidates reported (Anglada-Escude+2014) but both have been rebutted (Bortles+2021). | |||
==Etymology and History== | ==Etymology and History== | ||
[[File:Eric kapteyn.png|alt=screenshot of table|thumb|Kapteyn's original note of the discovery. ]] | |||
This was 2nd highest proper motion star in 1927 according to Luyten and still is! (8.7”/yr). It was pointed out as highest proper motion (at time) by Kapteyn (1897) “Stern mit grösster bislang bekannter Eigenbewegung” (“Star with largest self-motion known to date”) | This was 2nd-highest proper motion star in 1927 according to Luyten and still is! (8.7”/yr). It was pointed out as highest proper motion (at time) by Kapteyn (1897) “Stern mit grösster bislang bekannter Eigenbewegung” (“Star with largest self-motion known to date”) | ||
[[File:Eric Luyten.jpg|alt=screenshot(s) of text|thumb|Luyten giving the name "Kapteyn" to a star]] | |||
The name appears to be from Luyten (1927) “Note on the Magnitude and Spectrum of Kapteyn's Star”. | |||
* "Kapteyn" in Allen (1963; Astrophysical Quantities), | |||
"Kapteyn" in Allen (1963; Astrophysical Quantities), "Kapteyn's Star" in Rhoads (1971), Burnham (1978), Fernandez+(1983), Sinnott & Perryman Millenium Atlas (1997), Cox (2000; Astrophysical Quantities), Kaler (2006). | * "Kapteyn's Star" in Rhoads (1971), | ||
NASA ADS shows “Kapteyn’s star” listed in 44 abstracts | * Burnham (1978), | ||
Name is already in | * Fernandez+(1983), | ||
* Sinnott & Perryman Millenium Atlas (1997), | |||
* Cox (2000; Astrophysical Quantities), | |||
* Kaler (2006). | |||
* NASA ADS shows “Kapteyn’s star” listed in 44 abstracts | |||
* Name is already in [http://simbad.u-strasbg.fr/simbad/sim-id?Ident=Kapteyn's+star SIMBAD]. Wikipedia | |||
==Mythology== | ==Mythology== | ||
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==IAU Star Name== | ==IAU Star Name== | ||
WGSN discussed the name in 2022 but decided (for the time being) not to name stars after people. | |||
== Weblinks == | == Weblinks == | ||
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== Reference == | == Reference == | ||
[[Category: | [[Category:Star Name]] | ||
[[Category:Eurasia]] | [[Category:Eurasia]] | ||
[[Category: | [[Category:European]] | ||
[[Category:Modern]] | |||
[[Category:Pic]] | |||
Latest revision as of 19:54, 18 June 2025
Modern name for HD 33793 = GJ 191, a high proper motion M1 subdwarf at d=4pc (V=8.8) in Pictor. The star was unusual – very blue but M1 type, high pm and very high radial velocity (242 km/s). Two recent exoplanet candidates reported (Anglada-Escude+2014) but both have been rebutted (Bortles+2021).
Etymology and History
This was 2nd-highest proper motion star in 1927 according to Luyten and still is! (8.7”/yr). It was pointed out as highest proper motion (at time) by Kapteyn (1897) “Stern mit grösster bislang bekannter Eigenbewegung” (“Star with largest self-motion known to date”)
The name appears to be from Luyten (1927) “Note on the Magnitude and Spectrum of Kapteyn's Star”.
- "Kapteyn" in Allen (1963; Astrophysical Quantities),
- "Kapteyn's Star" in Rhoads (1971),
- Burnham (1978),
- Fernandez+(1983),
- Sinnott & Perryman Millenium Atlas (1997),
- Cox (2000; Astrophysical Quantities),
- Kaler (2006).
- NASA ADS shows “Kapteyn’s star” listed in 44 abstracts
- Name is already in SIMBAD. Wikipedia
Mythology
IAU Star Name
WGSN discussed the name in 2022 but decided (for the time being) not to name stars after people.
