查看“MaNGA”的源代码

*http://www.sdss3.org/future/manga.php

==target==
* To identify galaxies meeting the final selection cuts, use the MANGA_TARGET1 bitmask, and find all galaxies that have at least one of the bits 10, 11, and 12 set in MANGA_TARGET1. 

==DRP==
*DRP的光谱没有改过银河系尘埃消光

==DAP==
*DAP的谱线测量已经改过银河系尘埃消光 [https://www.sdss.org/dr17/manga/manga-analysis-pipeline/]

==相关科学==
*星系的丰度/年龄梯度
:漩涡星系的丰度梯度与rd相关，rd越大，梯度越小（解释：丰度和表面密度之间的universal的联系）[http://arxiv.org/abs/1509.07190]