Spectroscopic and photometric observations of SN1987A - V. Days 386-616

R. M. Catchpole; P. A. Whitelock; J. W. Menzies; M. W. Feast; F. Marang; K. Sekiguchi; F. van Wyk; G. Roberts; L. A. Balona; J. M. Egan; B. S. Carter; C. D. Laney; J. D. Laing; J. H. Spencer Jones; I. S. Glass; H. Winkler; A. P. Fairall; T. H.H. Lloyd Evans; M. S. Cropper; M. Shenton; P. W. Hill; P. Payne; K. N. Jones; W. Wargau; K. O. Mason; C. S. Jeffery; C. Hellier; Q. A. Parker; R. Chini; P. A. James; J. G. Doyle; C. J. Butler; G. Bromage

doi:10.1093/mnras/237.1.55P

Spectroscopic and photometric observations of SN1987A - V. Days 386-616

R. M. Catchpole, P. A. Whitelock, J. W. Menzies, M. W. Feast, F. Marang, K. Sekiguchi, F. van Wyk, G. Roberts, L. A. Balona, J. M. Egan, B. S. Carter, C. D. Laney, J. D. Laing, J. H. Spencer Jones, I. S. Glass, H. Winkler, A. P. Fairall, T. H.H. Lloyd Evans, M. S. Cropper, M. ShentonP. W. Hill, P. Payne, K. N. Jones, W. Wargau, K. O. Mason, C. S. Jeffery, C. Hellier, Q. A. Parker, R. Chini, P. A. James, J. G. Doyle, C. J. Butler, G. Bromage

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Abstract

We present spectroscopic and UBV(RI)CJHKLM photometric observations of SN1987A in the Large Magellanic Cloud made at the Sutherland Observatory of the SAAO between days 386 and 616 after the Kamiokande-II neutrino event. During this period the bolometric flux from the supernova measured over the U to M wavelength range has continued to decline faster than the ⁵⁶Co decay rate. By day 560 the flux in this wavelength range accounts for only half of that expected from ⁵⁶Co decay. The estimated total flux (including X-ray and γ-ray data) is consistent with ⁵⁶Co remaining the sole energy source of the supernova over the period considered.

Original language	English
Pages (from-to)	55P-68P
Journal	Monthly Notices of the Royal Astronomical Society
Volume	237
Issue number	1
DOIs	https://doi.org/10.1093/mnras/237.1.55P
Publication status	Published - 1989
Externally published	Yes

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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Catchpole, R. M., Whitelock, P. A., Menzies, J. W., Feast, M. W., Marang, F., Sekiguchi, K., van Wyk, F., Roberts, G., Balona, L. A., Egan, J. M., Carter, B. S., Laney, C. D., Laing, J. D., Spencer Jones, J. H., Glass, I. S., Winkler, H., Fairall, A. P., Lloyd Evans, T. H. H., Cropper, M. S., ... Bromage, G. (1989). Spectroscopic and photometric observations of SN1987A - V. Days 386-616. Monthly Notices of the Royal Astronomical Society, 237(1), 55P-68P. https://doi.org/10.1093/mnras/237.1.55P

@article{bb00f5d7458c4fc3b5af88e53ab0ec78,

title = "Spectroscopic and photometric observations of SN1987A - V. Days 386-616",

abstract = "We present spectroscopic and UBV(RI)CJHKLM photometric observations of SN1987A in the Large Magellanic Cloud made at the Sutherland Observatory of the SAAO between days 386 and 616 after the Kamiokande-II neutrino event. During this period the bolometric flux from the supernova measured over the U to M wavelength range has continued to decline faster than the 56Co decay rate. By day 560 the flux in this wavelength range accounts for only half of that expected from 56Co decay. The estimated total flux (including X-ray and γ-ray data) is consistent with 56Co remaining the sole energy source of the supernova over the period considered.",

author = "Catchpole, {R. M.} and Whitelock, {P. A.} and Menzies, {J. W.} and Feast, {M. W.} and F. Marang and K. Sekiguchi and {van Wyk}, F. and G. Roberts and Balona, {L. A.} and Egan, {J. M.} and Carter, {B. S.} and Laney, {C. D.} and Laing, {J. D.} and {Spencer Jones}, {J. H.} and Glass, {I. S.} and H. Winkler and Fairall, {A. P.} and {Lloyd Evans}, {T. H.H.} and Cropper, {M. S.} and M. Shenton and Hill, {P. W.} and P. Payne and Jones, {K. N.} and W. Wargau and Mason, {K. O.} and Jeffery, {C. S.} and C. Hellier and Parker, {Q. A.} and R. Chini and James, {P. A.} and Doyle, {J. G.} and Butler, {C. J.} and G. Bromage",

note = "Publisher Copyright: {\textcopyright} 1989 Royal Astronomical Society.",

year = "1989",

doi = "10.1093/mnras/237.1.55P",

language = "English",

volume = "237",

pages = "55P--68P",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "Oxford University Press",

number = "1",

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Catchpole, RM, Whitelock, PA, Menzies, JW, Feast, MW, Marang, F, Sekiguchi, K, van Wyk, F, Roberts, G, Balona, LA, Egan, JM, Carter, BS, Laney, CD, Laing, JD, Spencer Jones, JH, Glass, IS, Winkler, H, Fairall, AP, Lloyd Evans, THH, Cropper, MS, Shenton, M, Hill, PW, Payne, P, Jones, KN, Wargau, W, Mason, KO, Jeffery, CS, Hellier, C, Parker, QA, Chini, R, James, PA, Doyle, JG, Butler, CJ & Bromage, G 1989, 'Spectroscopic and photometric observations of SN1987A - V. Days 386-616', Monthly Notices of the Royal Astronomical Society, vol. 237, no. 1, pp. 55P-68P. https://doi.org/10.1093/mnras/237.1.55P

TY - JOUR

T1 - Spectroscopic and photometric observations of SN1987A - V. Days 386-616

AU - Catchpole, R. M.

AU - Whitelock, P. A.

AU - Menzies, J. W.

AU - Feast, M. W.

AU - Marang, F.

AU - Sekiguchi, K.

AU - van Wyk, F.

AU - Roberts, G.

AU - Balona, L. A.

AU - Egan, J. M.

AU - Carter, B. S.

AU - Laney, C. D.

AU - Laing, J. D.

AU - Spencer Jones, J. H.

AU - Glass, I. S.

AU - Winkler, H.

AU - Fairall, A. P.

AU - Lloyd Evans, T. H.H.

AU - Cropper, M. S.

AU - Shenton, M.

AU - Hill, P. W.

AU - Payne, P.

AU - Jones, K. N.

AU - Wargau, W.

AU - Mason, K. O.

AU - Jeffery, C. S.

AU - Hellier, C.

AU - Parker, Q. A.

AU - Chini, R.

AU - James, P. A.

AU - Doyle, J. G.

AU - Butler, C. J.

AU - Bromage, G.

PY - 1989

Y1 - 1989

N2 - We present spectroscopic and UBV(RI)CJHKLM photometric observations of SN1987A in the Large Magellanic Cloud made at the Sutherland Observatory of the SAAO between days 386 and 616 after the Kamiokande-II neutrino event. During this period the bolometric flux from the supernova measured over the U to M wavelength range has continued to decline faster than the 56Co decay rate. By day 560 the flux in this wavelength range accounts for only half of that expected from 56Co decay. The estimated total flux (including X-ray and γ-ray data) is consistent with 56Co remaining the sole energy source of the supernova over the period considered.

AB - We present spectroscopic and UBV(RI)CJHKLM photometric observations of SN1987A in the Large Magellanic Cloud made at the Sutherland Observatory of the SAAO between days 386 and 616 after the Kamiokande-II neutrino event. During this period the bolometric flux from the supernova measured over the U to M wavelength range has continued to decline faster than the 56Co decay rate. By day 560 the flux in this wavelength range accounts for only half of that expected from 56Co decay. The estimated total flux (including X-ray and γ-ray data) is consistent with 56Co remaining the sole energy source of the supernova over the period considered.

UR - http://www.scopus.com/inward/record.url?scp=0039853567&partnerID=8YFLogxK

U2 - 10.1093/mnras/237.1.55P

DO - 10.1093/mnras/237.1.55P

M3 - Article

AN - SCOPUS:0039853567

SN - 0035-8711

VL - 237

SP - 55P-68P

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 1

ER -

Spectroscopic and photometric observations of SN1987A - V. Days 386-616

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