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{{Short description|1899 nova in the constellation Aquila}}
{{Starbox short |
{{Starbox begin
| name=V606 Aquilae or IC 4850
| name=V606 Aquilae}}
| epoch=[[J2000.0]]
{{Starbox image
| image=
{{Location mark
|image=V606AqlLocation.png|alt=|width=280
}}
|caption=Location of V606 Aquilae (circled in red)
}}
{{Starbox observe
| epoch=[[J2000.0]] ([[International Celestial Reference System|ICRS]])
| ra={{RA|19|20|24.3}}<ref name="down"/>
| dec={{DEC|-00|08|07}}<ref name="down"/>
| appmag_v=6.7p — 17.3p<ref name="down"/>
| constell=[[Aquila (constellation)|Aquila]]
| constell=[[Aquila (constellation)|Aquila]]
}}
| ra=19<sup>h</sup> 20<sup>m</sup> 24.3<sup>s</sup>
{{Starbox character
| dec= -00° 08' 07"
| class =
| spectral=pec(NOVA)
| variable = [[Nova|Classical nova]], [[dwarf nova]]
| appmag_v=5.5
}}
| dist_ly=700 ± 86
{{Starbox catalog
| dist_pc=215 ± 26
| names=NOVA Aquilae 1899, [[Catalog of Stellar Identification|CSI]]-00 3708 1, [[SV* HV]] 130, [[Astronomische Nachrichten|AN]] 11.1900, [[Henry Draper Catalogue|HD]] 181419, [[Durchmusterung|BD]]-00° 3708a, [[Index Catalogue|IC]] 4850, [[AAVSO]] 1915-00. }}
| names=Nova&nbsp;Aql&nbsp;1899, [[variable star designation|V606]]&nbsp;Aql, [[Henry Draper Catalogue|HD]]&nbsp;181419, AAVSO&nbsp;1915-00, [[New_General_Catalogue#Index_Catalogue|IC]]&nbsp;4850
}}
{{Starbox reference
| Simbad=V*+V606+Aql
}}
{{Starbox end}}


[[File:V606AqlLightCurve.png|thumb|left|The [[light curve]] of nova V606&nbsp;Aquilae plotted from [[photographic magnitude]] data tabulated by Shapley.<ref name="shap"/> Data points listed with identical times were averaged before plotting.]]
'''V606 Aquilae''' was a [[nova]], which lit up in the [[constellation]] [[Aquila (constellation)|Aquila]] in 1899. It reached 5.5 [[Apparent magnitude|magnitude]].
'''V606 Aquilae''' was a [[nova]], which lit up in the [[constellation]] [[Aquila (constellation)|Aquila]] in 1899. The brightest reported magnitude for this nova was [[apparent magnitude]] 5.5, making it a naked eye object.<ref name="duer"/><ref name="aavso"/> It was discovered by [[Williamina Fleming]] on a [[Photographic_plate#Astronomy|photographic plate]] (one of the Henry Draper Memorial Photographs<ref name="bark"/>) taken on 21 April 1899 at the [[Harvard College Observatory]]. On the discovery plate, its [[photographic magnitude]] was later determined to be 6.75.<ref name="leav"/> It was not seen on the plate taken on 1 November 1898,<ref name="duer"/> and there were no reported observations of the region around the star during the 171 day interval before Fleming's discovery, so it is possible that the actual maximum of the event was missed.
By 27 October 1899 it had faded to 10th magnitude, and on 9 July 1900 [[Oliver Wendell]] reported its brightness to be between magnitude 11.5 and 12.0.<ref name="pick"/>


V606 Aquilae is classified as a "fast nova", because its faded by at least 3 magnitudes in about 65 days.<ref name="due1"/> The [[light curve]] showed a steep decline, followed by a period of about 100 days when the light curve plateaued,<ref name="duer"/> which caused its light curve to be classified as type P.<ref name="stro"/><ref name="tapp"/>
== External links ==

* [http://www.tsm.toyama.toyama.jp/curators/aroom/var/nova/1600.htm www.tsm.toyama.toyama.jp/]
The nova was "recovered" (meaning the quiescent nova was identified by modern observers) as a magnitude 20.4 object, in 2012 from photometric observations at the [[Very Large Telescope]].<ref name="tapp"/> It is now a recurrent [[dwarf nova]] that flares every 270 days and with an amplitude of about 1.5 magnitude.<ref name=Kato/>
* [http://seds.org/~spider/ngc/ngcdss.cgi?obj=IC!4850&r=19:20.4&d=-00:08&e=J2000&h=15&w=15&f=GIF&c=none IC 4850]{{dead link|date=January 2018 |bot=InternetArchiveBot |fix-attempted=yes }}

* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?V*%20V606%20Aql GCVS V0606 Aql]
==References==
* [http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=IC%204850&extend=NO&img_stamp=YES IC 4850]
{{Reflist|refs=
* [http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=IC+4850&extend=yes&out_equinox=J2000.0 IC 4850]

* [http://www.astrouw.edu.pl/cgi-asas/asas_variable/192024-0008.0,asas3,0,0,500,0,0 http://www.astrouw.edu.pl]
<ref name="duer">{{cite journal |last1=Duerbeck |first1=Hilmar W. |title=A Reference Catalogue and Atlas of Galactic Novae |journal=Space Science Reviews |date=March 1987 |volume=45 |issue=1–2 |pages=1–14 |doi=10.1007/BF00187826 |bibcode=1987SSRv...45....1D |s2cid=115854775 |url=https://ui.adsabs.harvard.edu/abs/1987SSRv...45....1D |access-date=21 December 2020}}</ref>
* [http://www.aavso.org/vsx/index.php?view=detail.top&oid=1745 http://www.aavso.org/]

* [http://simbad.u-strasbg.fr/simbad/sim-id?Ident=V606+Aql&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id Simbad]
<ref name="down">{{cite journal |last1=Downes |first1=Ronald |last2=Webbink |first2=Ronald F. |last3=Shara |first3=Michael M. |title=A Catalog and Atlas of Cataclysmic Variables-Second Edition |journal=Publications of the Astronomical Society of the Pacific |date=April 1997 |volume=109 |page=345 |doi=10.1086/133900 |bibcode=1997PASP..109..345D |s2cid=120396435 |doi-access=free }}</ref>
* [http://aladin.u-strasbg.fr/AladinPreview?-c=19+20+24.3-00+08+07&ident=V*+V606+Aql&submit=Aladin+previewer Image V606 Aquilae]

<ref name="aavso">{{cite web |title=The International Variable Star Index |url=https://www.aavso.org/vsx/index.php?view=detail.top&oid=1745 |website=aavso.org |publisher=AAVSO |access-date=22 December 2020}}</ref>

<ref name="bark">{{cite journal |last1=Barker |first1=George F. |title=On the Henry Draper Memorial Photographs of Stellar Spectra |journal=Proceedings of the American Philosophical Society |date=1887 |volume=24 |issue=125 |pages=166–172 |jstor=983130 |url=http://www.jstor.org/stable/983130 |access-date=22 December 2020}}</ref>

<ref name="pick">{{cite journal |last1=Pickering |first1=E.C. |last2=Fleming |first2=W.P. |title=A new star in Aquila |journal=The Astrophysical Journal |date=July 1900 |volume=12 |issue=290 |page=52 |doi=10.1086/140728 |pmid=17789894 |bibcode=1900ApJ....12...52P |s2cid=4217185 |doi-access=free }}</ref>

<ref name="leav">{{cite journal |last1=Leavitt |first1=H.S |title=Annals of Harvard College Observatory|journal=Annals of Harvard College Observatory |date=1933 |volume=84 |page=121}}</ref>

<ref name="tapp">{{cite journal |last1=Tappert |first1=C. |last2=Barria |first2=D. |last3=Fuentes-Morales |first3=I. |last4=Vogt |first4=N. |last5=Ederoclite |first5=A. |last6=Schmidtobreick |first6=L. |title=Life after eruption - VI. Recovery of the old novae EL Aql, V606 Aql, V908 Oph, V1149 Sgr, V1583 Sgr and V3964 Sgr |journal=Monthly Notices of the Royal Astronomical Society |date=October 2016 |volume=462 |issue=2 |pages=1371–1381 |doi=10.1093/mnras/stw1748 |arxiv=1608.00527 |bibcode=2016MNRAS.462.1371T |doi-access=free }}</ref>

<ref name="due1">{{cite journal |last1=Duerbeck |first1=H.W. |title=A Reference Catalogue of Galactic Novae |journal=Bulletin d'Information du Centre de Donnees Stellaires |date=May 1988 |volume=34 |page=127 |bibcode=1988BICDS..34..127D |url=https://ui.adsabs.harvard.edu/abs/1988BICDS..34..127D |access-date=22 December 2020}}</ref>

<ref name="stro">{{cite journal |last1=Strope |first1=Richard J. |last2=Schaefer |first2=Bradley E. |last3=Henden |first3=Arne A. |title=Catalog of 93 Nova Light Curves: Classification and Properties |journal=The Astronomical Journal |date=July 2010 |volume=140 |issue=1 |pages=34–62 |doi=10.1088/0004-6256/140/1/34 |arxiv=1004.3698 |bibcode=2010AJ....140...34S |doi-access=free }}</ref>

<ref name="shap">{{cite journal |last1=Shapley |first1=Harlow |title=The photographic light curves of 11 novae |journal=Annals of the Astronomical Observatory of Harvard College |date=January 1933 |volume=84 |issue=5 |pages=121–155 |bibcode=1933AnHar..84..121S |url=https://ui.adsabs.harvard.edu/abs/1933AnHar..84..121S |access-date=23 January 2021}}</ref>

<ref name=Kato>{{cite journal|url=http://vsolj.cetus-net.org/vsoljno76.pdf|year=2021|title=V606 Aql (Nova Aquilae 1899) is now a dwarf nova|journal=Variable Star Bulletin|publisher=Variable Star Observers League in Japan (VSOLJ)|number=76|author1=Kato, Taichi Kato|author2=Kojiguchi, Naoto|arxiv=2107.07055 }}</ref>

}}


{{Stars of Aquila}}
{{Stars of Aquila}}
{{Novae}}


{{DEFAULTSORT:V606 Aquilae}}
[[Category:Novae]]
[[Category:Dwarf novae]]
[[Category:Henry Draper Catalogue objects|181419]]
[[Category:Henry Draper Catalogue objects|181419]]
[[Category:IC objects]]
[[Category:IC objects]]
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[[Category:Objects with variable star designations|Aquilae, V604]]
[[Category:Objects with variable star designations|Aquilae, V604]]
[[Category:Durchmusterung objects]]
[[Category:Durchmusterung objects]]



{{var-star-stub}}
{{var-star-stub}}

Latest revision as of 14:32, 30 September 2023

V606 Aquilae
Location of V606 Aquilae (circled in red)
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Aquila
Right ascension 19h 20m 24.3s[1]
Declination −00° 08′ 07″[1]
Apparent magnitude (V) 6.7p — 17.3p[1]
Characteristics
Variable type Classical nova, dwarf nova
Other designations
Nova Aql 1899, V606 Aql, HD 181419, AAVSO 1915-00, IC 4850
Database references
SIMBADdata
The light curve of nova V606 Aquilae plotted from photographic magnitude data tabulated by Shapley.[2] Data points listed with identical times were averaged before plotting.

V606 Aquilae was a nova, which lit up in the constellation Aquila in 1899. The brightest reported magnitude for this nova was apparent magnitude 5.5, making it a naked eye object.[3][4] It was discovered by Williamina Fleming on a photographic plate (one of the Henry Draper Memorial Photographs[5]) taken on 21 April 1899 at the Harvard College Observatory. On the discovery plate, its photographic magnitude was later determined to be 6.75.[6] It was not seen on the plate taken on 1 November 1898,[3] and there were no reported observations of the region around the star during the 171 day interval before Fleming's discovery, so it is possible that the actual maximum of the event was missed. By 27 October 1899 it had faded to 10th magnitude, and on 9 July 1900 Oliver Wendell reported its brightness to be between magnitude 11.5 and 12.0.[7]

V606 Aquilae is classified as a "fast nova", because its faded by at least 3 magnitudes in about 65 days.[8] The light curve showed a steep decline, followed by a period of about 100 days when the light curve plateaued,[3] which caused its light curve to be classified as type P.[9][10]

The nova was "recovered" (meaning the quiescent nova was identified by modern observers) as a magnitude 20.4 object, in 2012 from photometric observations at the Very Large Telescope.[10] It is now a recurrent dwarf nova that flares every 270 days and with an amplitude of about 1.5 magnitude.[11]

References[edit]

  1. ^ a b c Downes, Ronald; Webbink, Ronald F.; Shara, Michael M. (April 1997). "A Catalog and Atlas of Cataclysmic Variables-Second Edition". Publications of the Astronomical Society of the Pacific. 109: 345. Bibcode:1997PASP..109..345D. doi:10.1086/133900. S2CID 120396435.
  2. ^ Shapley, Harlow (January 1933). "The photographic light curves of 11 novae". Annals of the Astronomical Observatory of Harvard College. 84 (5): 121–155. Bibcode:1933AnHar..84..121S. Retrieved 23 January 2021.
  3. ^ a b c Duerbeck, Hilmar W. (March 1987). "A Reference Catalogue and Atlas of Galactic Novae". Space Science Reviews. 45 (1–2): 1–14. Bibcode:1987SSRv...45....1D. doi:10.1007/BF00187826. S2CID 115854775. Retrieved 21 December 2020.
  4. ^ "The International Variable Star Index". aavso.org. AAVSO. Retrieved 22 December 2020.
  5. ^ Barker, George F. (1887). "On the Henry Draper Memorial Photographs of Stellar Spectra". Proceedings of the American Philosophical Society. 24 (125): 166–172. JSTOR 983130. Retrieved 22 December 2020.
  6. ^ Leavitt, H.S (1933). "Annals of Harvard College Observatory". Annals of Harvard College Observatory. 84: 121.
  7. ^ Pickering, E.C.; Fleming, W.P. (July 1900). "A new star in Aquila". The Astrophysical Journal. 12 (290): 52. Bibcode:1900ApJ....12...52P. doi:10.1086/140728. PMID 17789894. S2CID 4217185.
  8. ^ Duerbeck, H.W. (May 1988). "A Reference Catalogue of Galactic Novae". Bulletin d'Information du Centre de Donnees Stellaires. 34: 127. Bibcode:1988BICDS..34..127D. Retrieved 22 December 2020.
  9. ^ Strope, Richard J.; Schaefer, Bradley E.; Henden, Arne A. (July 2010). "Catalog of 93 Nova Light Curves: Classification and Properties". The Astronomical Journal. 140 (1): 34–62. arXiv:1004.3698. Bibcode:2010AJ....140...34S. doi:10.1088/0004-6256/140/1/34.
  10. ^ a b Tappert, C.; Barria, D.; Fuentes-Morales, I.; Vogt, N.; Ederoclite, A.; Schmidtobreick, L. (October 2016). "Life after eruption - VI. Recovery of the old novae EL Aql, V606 Aql, V908 Oph, V1149 Sgr, V1583 Sgr and V3964 Sgr". Monthly Notices of the Royal Astronomical Society. 462 (2): 1371–1381. arXiv:1608.00527. Bibcode:2016MNRAS.462.1371T. doi:10.1093/mnras/stw1748.
  11. ^ Kato, Taichi Kato; Kojiguchi, Naoto (2021). "V606 Aql (Nova Aquilae 1899) is now a dwarf nova" (PDF). Variable Star Bulletin (76). Variable Star Observers League in Japan (VSOLJ). arXiv:2107.07055.


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