RIJHK PHOTOMETRY OF LOW-MASS STARS AND BROWN DWARFS IN THE PLEIADES

被引：29

作者：

STEELE, IA ^{[1
]}

JAMESON, RF ^{[1
]}

HAMBLY, NC ^{[1
]}

机构：

[1] QUEENS UNIV BELFAST,DEPT PURE & APPL PHYS,APS DIV,BELFAST BT7 1NN,ANTRIM,NORTH IRELAND

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1993年 / 263卷 / 03期

关键词：

STARS LOW-MASS; BROWN DWARFS; OPEN CLUSTERS AND ASSOCIATIONS INDIVIDUAL; PLEIADES;

D O I：

10.1093/mnras/263.3.647

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

RIJHK photometry is presented for low-luminosity Pleiades stars and brown dwarfs discovered in an earlier proper motion survey. Reasonable agreement is found with theoretical models if the Pleiades stars are assumed to be no older than 70 Myr. Some stars appear to be as young as 3 Myr, and 22 cluster members appear to have masses < 0.08 M. and are therefore brown dwarfs. It is also found that the R - I, I - K colour-colour diagram appears to act as an indicator of age for low-mass objects.

引用

页码：647 / 654

页数：8

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