Azal amagdez deg tesnallunt d akat n usfijjej n yal tafekka tagnnawt deg usalay alugaritman anallun (am yitran d yimtiwgen ...), Ma d azal amaskad n kra n tfekka tagennawt yegda am akken yella ɣef wuggug ameslugen s wazal n 10 ifursak (neɣ ayen yegdan 32,6 n ifawatayen[1]. Tigget tasnullant tga d tigget n wakat n wazal amagdez yeggunin ɣef tfekkiwin tigennawin deg wudus anafuk.

Azal amagdez atraw ẓreg

Azamul n wazal amagdez d M akken i yezmer ad yili usides (useqreb) n wazal-is s usemres n wazal amaskad m d tsineft tatrawt p:

 

Neɣ s usemres n wazal amaskad m d uzegrir n westum μ:

 .

Amdya, Azal amagdez n wadet -−5.71.[2] Ma yella ɣer yizerɣi iga +1.4.[3] imalla awah llan deg yiwen n ustum ɣef tengit tili d itri n yizerɣi ara ad yefken affaw ugar n yitri n wadet
Azal amagdez d win yettusemrasen i tussna n usfijjej n yitran

Amazallew ẓreg

D ayen imrayen (iweɛṛen) ad tili tukza n wazal amagdez n imazellawen s usrag n wemray n tukza tufrint n tansa n yiri n tfekka tasagnawt. Yerna yessefk ad yettusens useɣti s usrag n tilin n ugedṛur n uɣaras n walim, ɣas akken yella wanect-a maca affaw d wazal amagdez n imazellawen yezmer ad yili s wazal amaskad d tukza n ustum[4].

Iseffuden ẓreg

Ẓeṛ daɣen ẓreg

Imniren ẓreg

  1. Apparent magnitudes and absolute magnitudes Archived 2014-06-16 at the Wayback Machine
  2. Astronomy and Astrophysics. 449 (2). arXiv:astro-ph/0511329. Bibcode:2006A&A...449..655S. doi:10.1051/0004-6361:20054377. Unknown parameter |Aneggr3= ignored (help); Unknown parameter |amezwar2= ignored (help); Unknown parameter |amezwar= ignored (help); Unknown parameter |Azwel= ignored (help); Unknown parameter |Aneggar2= ignored (help); Unknown parameter |azemz= ignored (help); Unknown parameter |aneggar1= ignored (help); Unknown parameter |tasniwin= ignored (help); Unknown parameter |aneggar5= ignored (help); Unknown parameter |amezwar4= ignored (help); Unknown parameter |amezwar3= ignored (help); Missing or empty |title= (help); Invalid |display-authors=1 (help)
  3. Astrophysics and Space Science Library. Astrophysics and Space Science Library. 354. doi:10.1007/978-1-4020-8319-8_5. ISBN 978-1-4020-8318-1. ISSN 0067-0057. Unknown parameter |aneggar= ignored (help); Unknown parameter |aseggas= ignored (help); Unknown parameter |amezwar= ignored (help); Unknown parameter |Azwel= ignored (help); Unknown parameter |tasniwin= ignored (help); Missing or empty |title= (help)
  4. Galaxy Luminosity Classes [dead link] Archived 2010-07-15 at the Wayback Machine