最遥远的天体列表
外观
最遥远的天体列表列出目前为止人类发现距离地球最遥远的天体。
红移增加的比例与距离成正比,遥远天体的红移远大于那些邻近星系。测量非常遥远的天体距离相当困难,也容易出错。
著名的遥远天体
[编辑]天体名称 | 红移 (z) |
光年§ (10亿光年)[1] |
类型 | 备注 |
---|---|---|---|---|
HD1 | z = 13.27 | 13.5 | 星系 | 仍未证实性质[2][3] |
GN-z11 | z=11.09 | 13.39 | 星系 | 星系[4] |
EGSY8p7 | z=8.68 | 13.23 | 星系 | 星系[5] |
GRB 090429B | z=9.4 | 13.14 | 伽玛射线暴 | [6][7] |
EGS-zs8-1 | z=7.73 | 13.13 | 星系 | 星系[8] |
z7 GSD 3811 | z=7.66 | 13.11 | 星系 | 星系[9] |
z8 GND 5296 | z=7.51 | 13.10 | 星系 | 星系[10][11] |
A1689-zD1 | z=7.5 | 13.10 | 星系 | 星系[12] |
SXDF-NB1006-2 | z=7.215 | 13.07 | 星系 | 星系[13][14] |
GN-108036 | z=7.213 | 13.07 | 星系 | 星系[14][15] |
BDF-3299 | z=7.109 | 13.05 | 星系 | [16] |
ULAS J1120+0641 | z=7.085 | 13.05 | 类星体 | [17] |
A1703 zD6 | z=7.045 | 13.04 | 星系 | [14] |
BDF-521 | z=7.008 | 13.04 | 星系 | [16] |
G2-1408 | z=6.972 | 13.03 | 星系 | [14][18] |
IOK-1 | z=6.964 | 13.03 | 星系 | [14][19]莱曼α发射体[20] |
LAE J095950.99+021219.1 | z=6.944 | 13.03 | 星系 | 莱曼α发射体[21] |
截至2012年[update],可能有50个天体的红移超过8,100个天体的红移超过7[22]
天体名称 | 红移 (z) |
光年§ (10亿光年)[1] |
类型 | 备注 |
---|---|---|---|---|
UDFj-39546284 | zp≅11.9? | 13.37 | 原星系 | 可能是原星系[23][24][25][26]虽然最近研究显示红移可能较低[27][28] |
MACS0647-JD | zp≅10.7 | 13.3 | 星系 | 可能是最遥远的星系[29][30] |
A2744-JD | zp≅9.8 | 13.2 | 星系 | [31][32] |
MACS 1149-JD | zp≅9.6 | 13.2[33] | 原星系或星系 | [34] |
GRB 090429B | zp≅9.4 | 13.14[35] | 伽玛射线暴 | 红移数值有相当大不确定性[36] |
UDFy-33436598 | zp≅8.6 | 13.1 | 原星系或星系 | [37] |
UDFy-38135539 | zp≅8.6 | 13.1 | 原星系或星系 | 2010年研究显示其红移只有8.55[38]后来被证实数值错误[39] |
BoRG-58 | zp≅8 | 13 | 原星系或原星团 | 可能是原星团[40] |
参考资料
[编辑]- ^ 1.0 1.1 Light travel distance was calculated from redshift value using cosmological calculator (页面存档备份,存于互联网档案馆), with parameters values as of 2015: H0=67.74 and OmegaM=0.3089 (see table in Lambda-CDM model article).
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