Parameterisation of galaxy spectra in the 2dF Galaxy Redshift Survey

被引:2
|
作者
Madgwick, D [1 ]
Lahav, O [1 ]
Taylor, K [1 ]
机构
[1] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England
来源
关键词
D O I
10.1007/10849171_39
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The 2dF Galaxy Redshift Survey has already yielded over 130,000 galaxy spectra (out of the planned 250,000). We present a method for the parameterisation of galaxy spectra in the 2dF and other large redshift surveys using a new continuous parameter eta = 0.44pc(1) - pc(2), based on a Principal Components Analysis (where pc(1) and pc(2) are the projections onto the first and second principal components respectively). This parameter is designed to be robust to instrumental uncertainties and it represents the absorption/emission strength of a galaxy.
引用
收藏
页码:331 / 336
页数:6
相关论文
共 50 条
  • [1] Correlating galaxy morphologies and spectra in the 2dF Galaxy Redshift Survey
    Madgwick, DS
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2003, 338 (01) : 197 - 207
  • [2] The 2dF Galaxy Redshift Survey: spectra and redshifts
    Colless, M
    Dalton, G
    Maddox, S
    Sutherland, W
    Norberg, P
    Cole, S
    Bland-Hawthorn, J
    Bridges, T
    Cannon, R
    Collins, C
    Couch, W
    Cross, N
    Deeley, K
    De Propris, R
    Driver, SP
    Efstathiou, G
    Ellis, RS
    Frenk, CS
    Glazebrook, K
    Jackson, C
    Lahav, O
    Lewis, I
    Lumsden, S
    Madgwick, D
    Peacock, JA
    Peterson, BA
    Price, I
    Seaborne, M
    Taylor, K
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2001, 328 (04) : 1039 - 1063
  • [3] The 2dF galaxy redshift survey
    Maddox, S
    [J]. CLUSTERING AT HIGH REDSHIFT, 1999, 200 : 63 - 67
  • [4] The 2dF Galaxy Redshift Survey
    Colless, M
    [J]. LOOKING DEEP IN THE SOUTHERN SKY, 1999, : 9 - 15
  • [5] The 2dF Galaxy Redshift Survey: the clustering of galaxy groups
    Padilla, ND
    Baugh, CM
    Eke, VR
    Norberg, P
    Cole, S
    Frenk, CS
    Croton, DJ
    Baldry, IK
    Bland-Hawthorn, J
    Bridges, T
    Cannon, R
    Colless, M
    Collins, C
    Couch, W
    Dalton, G
    De Propris, R
    Driver, SP
    Efstathiou, G
    Ellis, RS
    Glazebrook, K
    Jackson, C
    Lahav, O
    Lewis, I
    Lumsden, S
    Maddox, S
    Madgwick, D
    Peacock, JA
    Peterson, BA
    Sutherland, W
    Taylor, K
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2004, 352 (01) : 211 - 225
  • [6] Galaxy groups in the 2dF Galaxy Redshift Survey:: the catalogue
    Merchán, M
    Zandivarez, A
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2002, 335 (01) : 216 - 222
  • [7] The 2dF Galaxy Redshift Survey:: hierarchical galaxy clustering
    Baugh, CM
    Croton, DJ
    Gaztañaga, E
    Norberg, P
    Colless, M
    Baldry, IK
    Bland-Hawthorn, J
    Bridges, T
    Cannon, R
    Cole, S
    Collins, C
    Couch, W
    Dalton, G
    De Propris, R
    Driver, SP
    Efstathiou, G
    Ellis, RS
    Frenk, CS
    Glazebrook, K
    Jackson, C
    Lahav, O
    Lewis, I
    Lumsden, S
    Maddox, S
    Madgwick, D
    Peacock, JA
    Peterson, BA
    Sutherland, W
    Taylor, K
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2004, 351 (02) : L44 - L49
  • [8] The 2dF Galaxy Redshift Survey: luminosity dependence of galaxy clustering
    Norberg, P
    Baugh, CM
    Hawkins, E
    Maddox, S
    Peacock, JA
    Cole, S
    Frenk, CS
    Bland-Hawthorn, J
    Bridges, T
    Cannon, R
    Colless, M
    Collins, C
    Couch, W
    Dalton, G
    De Propris, R
    Driver, SP
    Efstathiou, G
    Ellis, RS
    Glazebrook, K
    Jackson, C
    Lahav, O
    Lewis, I
    Lumsden, S
    Madgwick, D
    Peterson, BA
    Sutherland, W
    Taylor, K
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2001, 328 (01) : 64 - 70
  • [9] The 2dF Galaxy Redshift Survey as a cosmological laboratory
    Lahav, O
    [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA, 2004, 21 (04): : 404 - 407
  • [10] Clusters of galaxies in the 2dF Galaxy Redshift Survey
    De Propris, R
    Couch, WJ
    [J]. MINING THE SKY, 2001, : 136 - 142