Ultraviolet morphology and star formation in the tidal tails of NGC 4038/39

J. E. Hibbard, Luciana Bianchi, David A. Thilker, R. Michael Rich, David Schiminovich, C. Kevin Xu, Susan G. Neff, Mark Seibert, S. Lauger, D. Burgarella, Tom A. Barlow, Yong Ik Byun, Jose Donas, Karl Forster, Peter G. Friedman, Timothy M. Heckman, Patrick N. Jelinsky, Young Wook Lee, Barry F. Madore, Roger F. MalinaD. Christopher Martin, Bruno Milliard, Patrick Morrissey, Oswald H.W. Siegmund, Todd Small, Alex S. Szalay, Barry Y. Welsh, Ted K. Wyder

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Abstract

We present Galaxy Evolution Explorer far-ultraviolet (1530 Å) and near-ultraviolet (2310 Å) observations of the archetypal merging system NGC 4038/39, "the Antennae." Both tails are relatively bright in the UV, especially in the vicinity of the tidal dwarf galaxy candidates at the end of the southern tail. The UV light generally falls within the optically delineated tails, although the UV light is considerably more structured, with a remarkably similar morphology to the tidal H I. The UV colors suggest that there has been continuing star formation within the tidal tails, even outside the previously studied tidal dwarf regions. Within the inner disk regions, there are interesting UV features that appear to be related to the extended soft X-ray loops and halo recently discovered by Chandra.

Original languageEnglish
Pages (from-to)L87-L90
JournalAstrophysical Journal
Volume619
Issue number1 II
DOIs
Publication statusPublished - 2005 Jan 20

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dwarf galaxies
star formation
halos
antennas
galaxies
color
antenna
x rays

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Hibbard, J. E., Bianchi, L., Thilker, D. A., Rich, R. M., Schiminovich, D., Xu, C. K., ... Wyder, T. K. (2005). Ultraviolet morphology and star formation in the tidal tails of NGC 4038/39. Astrophysical Journal, 619(1 II), L87-L90. https://doi.org/10.1086/423244
Hibbard, J. E. ; Bianchi, Luciana ; Thilker, David A. ; Rich, R. Michael ; Schiminovich, David ; Xu, C. Kevin ; Neff, Susan G. ; Seibert, Mark ; Lauger, S. ; Burgarella, D. ; Barlow, Tom A. ; Byun, Yong Ik ; Donas, Jose ; Forster, Karl ; Friedman, Peter G. ; Heckman, Timothy M. ; Jelinsky, Patrick N. ; Lee, Young Wook ; Madore, Barry F. ; Malina, Roger F. ; Martin, D. Christopher ; Milliard, Bruno ; Morrissey, Patrick ; Siegmund, Oswald H.W. ; Small, Todd ; Szalay, Alex S. ; Welsh, Barry Y. ; Wyder, Ted K. / Ultraviolet morphology and star formation in the tidal tails of NGC 4038/39. In: Astrophysical Journal. 2005 ; Vol. 619, No. 1 II. pp. L87-L90.
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title = "Ultraviolet morphology and star formation in the tidal tails of NGC 4038/39",
abstract = "We present Galaxy Evolution Explorer far-ultraviolet (1530 {\AA}) and near-ultraviolet (2310 {\AA}) observations of the archetypal merging system NGC 4038/39, {"}the Antennae.{"} Both tails are relatively bright in the UV, especially in the vicinity of the tidal dwarf galaxy candidates at the end of the southern tail. The UV light generally falls within the optically delineated tails, although the UV light is considerably more structured, with a remarkably similar morphology to the tidal H I. The UV colors suggest that there has been continuing star formation within the tidal tails, even outside the previously studied tidal dwarf regions. Within the inner disk regions, there are interesting UV features that appear to be related to the extended soft X-ray loops and halo recently discovered by Chandra.",
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Hibbard, JE, Bianchi, L, Thilker, DA, Rich, RM, Schiminovich, D, Xu, CK, Neff, SG, Seibert, M, Lauger, S, Burgarella, D, Barlow, TA, Byun, YI, Donas, J, Forster, K, Friedman, PG, Heckman, TM, Jelinsky, PN, Lee, YW, Madore, BF, Malina, RF, Martin, DC, Milliard, B, Morrissey, P, Siegmund, OHW, Small, T, Szalay, AS, Welsh, BY & Wyder, TK 2005, 'Ultraviolet morphology and star formation in the tidal tails of NGC 4038/39', Astrophysical Journal, vol. 619, no. 1 II, pp. L87-L90. https://doi.org/10.1086/423244

Ultraviolet morphology and star formation in the tidal tails of NGC 4038/39. / Hibbard, J. E.; Bianchi, Luciana; Thilker, David A.; Rich, R. Michael; Schiminovich, David; Xu, C. Kevin; Neff, Susan G.; Seibert, Mark; Lauger, S.; Burgarella, D.; Barlow, Tom A.; Byun, Yong Ik; Donas, Jose; Forster, Karl; Friedman, Peter G.; Heckman, Timothy M.; Jelinsky, Patrick N.; Lee, Young Wook; Madore, Barry F.; Malina, Roger F.; Martin, D. Christopher; Milliard, Bruno; Morrissey, Patrick; Siegmund, Oswald H.W.; Small, Todd; Szalay, Alex S.; Welsh, Barry Y.; Wyder, Ted K.

In: Astrophysical Journal, Vol. 619, No. 1 II, 20.01.2005, p. L87-L90.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Ultraviolet morphology and star formation in the tidal tails of NGC 4038/39

AU - Hibbard, J. E.

AU - Bianchi, Luciana

AU - Thilker, David A.

AU - Rich, R. Michael

AU - Schiminovich, David

AU - Xu, C. Kevin

AU - Neff, Susan G.

AU - Seibert, Mark

AU - Lauger, S.

AU - Burgarella, D.

AU - Barlow, Tom A.

AU - Byun, Yong Ik

AU - Donas, Jose

AU - Forster, Karl

AU - Friedman, Peter G.

AU - Heckman, Timothy M.

AU - Jelinsky, Patrick N.

AU - Lee, Young Wook

AU - Madore, Barry F.

AU - Malina, Roger F.

AU - Martin, D. Christopher

AU - Milliard, Bruno

AU - Morrissey, Patrick

AU - Siegmund, Oswald H.W.

AU - Small, Todd

AU - Szalay, Alex S.

AU - Welsh, Barry Y.

AU - Wyder, Ted K.

PY - 2005/1/20

Y1 - 2005/1/20

N2 - We present Galaxy Evolution Explorer far-ultraviolet (1530 Å) and near-ultraviolet (2310 Å) observations of the archetypal merging system NGC 4038/39, "the Antennae." Both tails are relatively bright in the UV, especially in the vicinity of the tidal dwarf galaxy candidates at the end of the southern tail. The UV light generally falls within the optically delineated tails, although the UV light is considerably more structured, with a remarkably similar morphology to the tidal H I. The UV colors suggest that there has been continuing star formation within the tidal tails, even outside the previously studied tidal dwarf regions. Within the inner disk regions, there are interesting UV features that appear to be related to the extended soft X-ray loops and halo recently discovered by Chandra.

AB - We present Galaxy Evolution Explorer far-ultraviolet (1530 Å) and near-ultraviolet (2310 Å) observations of the archetypal merging system NGC 4038/39, "the Antennae." Both tails are relatively bright in the UV, especially in the vicinity of the tidal dwarf galaxy candidates at the end of the southern tail. The UV light generally falls within the optically delineated tails, although the UV light is considerably more structured, with a remarkably similar morphology to the tidal H I. The UV colors suggest that there has been continuing star formation within the tidal tails, even outside the previously studied tidal dwarf regions. Within the inner disk regions, there are interesting UV features that appear to be related to the extended soft X-ray loops and halo recently discovered by Chandra.

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Hibbard JE, Bianchi L, Thilker DA, Rich RM, Schiminovich D, Xu CK et al. Ultraviolet morphology and star formation in the tidal tails of NGC 4038/39. Astrophysical Journal. 2005 Jan 20;619(1 II):L87-L90. https://doi.org/10.1086/423244