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{{Starbox begin|name=P Cygni}}
{{Starbox image|image={{Location mark
|image=Cygnus constellation map.svg|alt=|float=center|width=280
|label=|position=right
|mark=Red circle.svg|mark_width=8|mark_link=P Cyg
|x=408|y=476
}}|caption=Lokasi P Cygni (dilingkari merah)}}
{{Starbox observe|epoch=J2000|ra={{RA|20|17|47.2018}}<ref name=hipparcos>{{cite journal|bibcode=2007A&A...474..653V|title=Validation of the new Hipparcos reduction|journal=Astronomy and Astrophysics|volume=474|issue=2|pages=653–664|last1=Van Leeuwen|first1=F.|year=2007|doi=10.1051/0004-6361:20078357|arxiv = 0708.1752 }}</ref>|dec={{DEC|+38|01|58.549}}<ref name=hipparcos/>|appmag_v=4.82<ref name=brightstar>{{cite journal|bibcode=2002yCat.2237....0D|title=VizieR On-line Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system|journal=CDS/ADC Collection of Electronic Catalogues|volume=2237|pages=0|last1=Ducati|first1=J. R.|year=2002}}</ref> (3 to 6<ref name=gcvs>{{cite journal|bibcode=2004yCat.2250....0S|title=VizieR Online Data Catalog: Combined General Catalogue of Variable Stars (Samus+ 2004)|journal=VizieR On-line Data Catalog: II/250. Originally Published in: 2004yCat.2250....0S|volume=2250|pages=0|last1=Samus|first1=N. N.|last2=Durlevich|first2=O. V.|display-authors=etal|year=2004}}</ref>)|constell=[[Cygnus (constellation)|Cygnus]]}}
{{Starbox character|class=B1Ia<sup>+</sup><ref name=smith>{{cite journal|bibcode=1994A&A...281..833S|title=A study of the luminous blue variable candidate He 3-519 and its surrounding nebula|journal=Astronomy and Astrophysics|volume=281|pages=833|last1=Smith|first1=L. J.|last2=Crowther|first2=P. A.|last3=Prinja|first3=R. K.|year=1994}}</ref>|b-v=+0.42<ref name=smith/>|u-b=-0.58<ref name=smith/>|variable=[[Luminous blue variable|LBV]]<ref name=gcvs/>}}
{{Starbox astrometry|radial_v=-8.9<ref>{{cite journal|bibcode=2006AstL...32..759G|title=Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system|journal=Astronomy Letters|volume=32|issue=11|pages=759–771|last1=Gontcharov|first1=G. A.|year=2006|doi=10.1134/S1063773706110065|arxiv = 1606.08053 }}</ref>|prop_mo_ra=-3.53<ref name=hipparcos/>|prop_mo_dec=-6.88<ref name=hipparcos/>|parallax=0.32|p_error=0.16|parallax_footnote=<ref name=hipparcos/>|dist_pc=1,700<ref name=najarro97/>|absmag_v=−7.9<ref name=vg>{{cite journal|doi=10.1051/0004-6361:20000022|title=S Doradus variables in the Galaxy and the Magellanic Clouds|journal=Astronomy and Astrophysics|volume=366|issue=2|pages=508–531|year=2001|last1=Van Genderen|first1=A. M.|bibcode=2001A&A...366..508V|doi-access=free}}</ref>}}
{{Starbox detail|mass=30<ref name=balan>{{cite journal|doi=10.1088/0004-6256/139/6/2269|title=THE SPATIALLY RESOLVED Hα-EMITTING WIND STRUCTURE OF P CYGNI|journal=The Astronomical Journal|volume=139|issue=6|pages=2269|year=2010|last1=Balan|first1=Aurelian|last2=Tycner|first2=C.|last3=Zavala|first3=R. T.|last4=Benson|first4=J. A.|last5=Hutter|first5=D. J.|last6=Templeton|first6=M.|bibcode=2010AJ....139.2269B|arxiv = 1004.0376 }}</ref>|radius=76<ref name=najarro/>|luminosity=610,000<ref name=najarro>{{cite journal|bibcode=2001ASPC..233..133N|title=Spectroscopy of P Cygni|journal=P Cygni 2000: 400 Years of Progress|volume=233|pages=133|last1=Najarro|first1=F.|year=2001}}</ref>|temperature=18,700<ref name=najarro/>|metal=0.29<ref name=najarro/> He/H|rotational_velocity=35<ref name=najarro97/>|gravity=1.2<ref name=najarro97>{{cite journal|bibcode=1997A&A...326.1117N|title=A spectroscopic investigation of P Cygni. I. H and HeI lines|journal=Astronomy and Astrophysics|volume=326|pages=1117|last1=Najarro|first1=F.|last2=Hillier|first2=D. J.|last3=Stahl|first3=O.|year=1997}}</ref>|age=}}
{{Starbox catalog|names=Nova&nbsp;Cyg&nbsp;1600, [[Flamsteed designation|34]]&nbsp;Cyg, [[JP11]]&nbsp;3218, [[TD1 Catalog of Stellar Ultraviolet Fluxes|TD1]]&nbsp;26474, [[Guide Star Catalog|GSC]]&nbsp;03151-03442, [[Tycho Catalogue|TYC]]&nbsp;3151-3442-1, [[Astronomische Gesellschaft Katalog|AG]]+37° 1953, [[2MASS]]&nbsp;J20174719+3801585, [[List of astronomical catalogues#A|ALS]]&nbsp;11097, [[Henry Draper Catalogue|HD]]&nbsp;193237, [[List of astronomical catalogues#M|MCW]]&nbsp;849, [[Durchmusterung|BD]]+37°3871, [[Karl Gordon Henize#Writings|Hen]]&nbsp;3-1871, [[General Catalogue of Trigonometric Stellar Parallaxes|PLX]]&nbsp;4837, [[List of astronomical catalogues#C|CEL]]&nbsp;5017, [[PPM Star Catalogue|PPM]]&nbsp;84645, [[Bayer designation|P]] Cyg, [[RAFGL]]&nbsp;5493S, [[Boss General Catalogue|GC]]&nbsp;28218, [[Hipparcos catalogue|HIP]]&nbsp;100044, [[Catalogue of rotational velocities of the stars|ROT]]&nbsp;2959, [[General Catalogue of Stellar Radial Velocities|GCRV]]&nbsp;12673, [[Bright Star Catalogue|HR]]&nbsp;7763, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]]&nbsp;69773, [[American Association of Variable Star Observers|AAVSO]]&nbsp;2014+37A}}
{{Starbox reference|Simbad=P+Cygni}}
{{Starbox end}}

'''P Cygni''' (34 Cyg) adalah [[bintang variabel]] yang terletak di konstelasi [[Cygnus]]. Sebutan "P" pada awalnya dinyatakan oleh Johann Bayer di ''Uranometria'' untuk [[nova]]. Berjarak sekitar 5.000 hingga 6.000 tahun cahaya (1.500–1.800 parsec) dari Bumi, P Cygni adalah bintang [[hiper raksasa]] [[variabel biru bercahaya]] (VBR) tipe spektral B1Ia<sup>+</sup> yang merupakan salah satu bintang paling bercahaya di Bima Sakti.
'''P Cygni''' (34 Cyg) adalah [[bintang variabel]] yang terletak di konstelasi [[Cygnus]]. Sebutan "P" pada awalnya dinyatakan oleh Johann Bayer di ''Uranometria'' untuk [[nova]]. Berjarak sekitar 5.000 hingga 6.000 tahun cahaya (1.500–1.800 parsec) dari Bumi, P Cygni adalah bintang [[hiper raksasa]] [[variabel biru bercahaya]] (VBR) tipe spektral B1Ia<sup>+</sup> yang merupakan salah satu bintang paling bercahaya di Bima Sakti.

== Referensi ==

Revisi per 21 Agustus 2020 08.33

P Cygni

Lokasi P Cygni (dilingkari merah)
Data pengamatan
Epos J2000      Ekuinoks J2000
Rasi bintang Cygnus
Asensio rekta  20j 17m 47.2018d[1]
Deklinasi  +38° 01′ 58.549″[1]
Magnitudo tampak (V) 4.82[2] (3 to 6[3])
Ciri-ciri
Kelas spektrum B1Ia+[4]
Indeks warna U−B -0.58[4]
Indeks warna B−V +0.42[4]
Jenis variabel LBV[3]
Astrometri
Kecepatan radial (Rv)-8.9[5] km/s
Gerak diri (μ) RA: -3.53[1] mdb/thn
Dek.: -6.88[1] mdb/thn
Paralaks (π)0,32±0,16[1] mdb
Jarak1,700[6] pc
Magnitudo mutlak (MV)−7.9[7]
Detail
Massa30[8] M☉
Radius76[9] R☉
Luminositas610,000[9] L☉
Gravitasi permukaan (log g)1.2[6]
Suhu18,700[9] K
Metalisitas0.29[9] He/H
Kecepatan rotasi (v sin i)35[6] km/s
Penamaan lain
Nova Cyg 1600, 34 Cyg, JP11 3218, TD1 26474, GSC 03151-03442, TYC 3151-3442-1, AG+37° 1953, 2MASS J20174719+3801585, ALS 11097, HD 193237, MCW 849, BD+37°3871, Hen 3-1871, PLX 4837, CEL 5017, PPM 84645, P Cyg, RAFGL 5493S, GC 28218, HIP 100044, ROT 2959, GCRV 12673, HR 7763, SAO 69773, AAVSO 2014+37A
Referensi basis data
SIMBADdata

P Cygni (34 Cyg) adalah bintang variabel yang terletak di konstelasi Cygnus. Sebutan "P" pada awalnya dinyatakan oleh Johann Bayer di Uranometria untuk nova. Berjarak sekitar 5.000 hingga 6.000 tahun cahaya (1.500–1.800 parsec) dari Bumi, P Cygni adalah bintang hiper raksasa variabel biru bercahaya (VBR) tipe spektral B1Ia+ yang merupakan salah satu bintang paling bercahaya di Bima Sakti.

Referensi

  1. ^ a b c d e Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752 alt=Dapat diakses gratis. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. 
  2. ^ Ducati, J. R. (2002). "VizieR On-line Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237: 0. Bibcode:2002yCat.2237....0D. 
  3. ^ a b Samus, N. N.; Durlevich, O. V.; et al. (2004). "VizieR Online Data Catalog: Combined General Catalogue of Variable Stars (Samus+ 2004)". VizieR On-line Data Catalog: II/250. Originally Published in: 2004yCat.2250....0S. 2250: 0. Bibcode:2004yCat.2250....0S. 
  4. ^ a b c Smith, L. J.; Crowther, P. A.; Prinja, R. K. (1994). "A study of the luminous blue variable candidate He 3-519 and its surrounding nebula". Astronomy and Astrophysics. 281: 833. Bibcode:1994A&A...281..833S. 
  5. ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053 alt=Dapat diakses gratis. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. 
  6. ^ a b c Najarro, F.; Hillier, D. J.; Stahl, O. (1997). "A spectroscopic investigation of P Cygni. I. H and HeI lines". Astronomy and Astrophysics. 326: 1117. Bibcode:1997A&A...326.1117N. 
  7. ^ Van Genderen, A. M. (2001). "S Doradus variables in the Galaxy and the Magellanic Clouds". Astronomy and Astrophysics. 366 (2): 508–531. Bibcode:2001A&A...366..508V. doi:10.1051/0004-6361:20000022 alt=Dapat diakses gratis. 
  8. ^ Balan, Aurelian; Tycner, C.; Zavala, R. T.; Benson, J. A.; Hutter, D. J.; Templeton, M. (2010). "THE SPATIALLY RESOLVED Hα-EMITTING WIND STRUCTURE OF P CYGNI". The Astronomical Journal. 139 (6): 2269. arXiv:1004.0376 alt=Dapat diakses gratis. Bibcode:2010AJ....139.2269B. doi:10.1088/0004-6256/139/6/2269. 
  9. ^ a b c d Najarro, F. (2001). "Spectroscopy of P Cygni". P Cygni 2000: 400 Years of Progress. 233: 133. Bibcode:2001ASPC..233..133N. 
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