2024年5月7日发(作者：)

Astronomy&˙accept

(DOI:willbeinsertedbyhandlater)

February2,2008

StarburstinHS0822+3542inducedbytheveryblueLSBdwarf

SAO0822+3545

nik

1,4

,v

1,2,4

,ij

1,4

,ov

1,4

,sa

3

1

2

a

r

X

i

v

:

a

s

t

r

o

-

p

h

/

0

3

0

7

5

5

6

v

1

3

1

J

u

l

2

0

0

3

3

4

SpecialAstrophysicalObservatoryRAS,NizhnijArkhyz,Karachai-Circassia,369167Russia

MaxPlanckInstitutf¨urAstronomie,K¨onigstuhl17,D-69117,Heidelberg,Germany

´

InstitutodeAstrofisicadeAndalucia,Granada,Spain

IsaacNewtonInstituteofChile,SAOBranch

February26,2002;acceptedJuly30,2003Received

hemostmetal-deficientbluecompactgalaxies(BCGs)HS0822+3542(Z=1/34Z

⊙

),isalso

oneofthenearestsuchobjects(D∼11Mpc).er

mechanismforitscurrentstar-formation(SF)rtthediscoveryofavery

00m−2

blue((B−V)

0

)dwarfirregular

tot

=0.08and(V−R)

tot

=0.14)lowsurfacebrightness(LSB)(µ

B