最遙遠的天體列表
外觀
最遙遠的天體列表列出目前為止人類發現距離地球最遙遠的天體。
紅移增加的比例與距離成正比,遙遠天體的紅移遠大於那些鄰近星系。測量非常遙遠的天體距離相當困難,也容易出錯。
著名的遙遠天體
[編輯]天體名稱 | 紅移 (z) |
光年§ (10億光年)[1] |
類型 | 備註 |
---|---|---|---|---|
HD1 | z = 13.27 | 13.5 | 星系 | 仍未證實性質[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 | 伽瑪射線暴 | [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 | 類星體 | [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]萊曼α發射體[20] |
LAE J095950.99+021219.1 | z=6.944 | 13.03 | 星系 | 萊曼α發射體[21] |
截至2012年[update],可能有50個天體的紅移超過8,100個天體的紅移超過7[22]
天體名稱 | 紅移 (z) |
光年§ (10億光年)[1] |
類型 | 備註 |
---|---|---|---|---|
UDFj-39546284 | zp≅11.9? | 13.37 | 原星系 | 可能是原星系[23][24][25][26]雖然最近研究顯示紅移可能較低[27][28] |
MACS0647-JD | zp≅10.7 | 13.3 | 星系 | 可能是最遙遠的星系[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] | 伽瑪射線暴 | 紅移數值有相當大不確定性[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年研究顯示其紅移只有8.55[38]後來被證實數值錯誤[39] |
BoRG-58 | zp≅8 | 13 | 原星系或原星團 | 可能是原星團[40] |
參考資料
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