新邻居：从LSPM北星表中选出的18颗邻近恒星的视差
New Neighbors: Parallaxes of 18 nearby stars selected from the LSPM-north catalog
摘要：
我们目前的天体测量的18个疑似附近的恒星从LSPM-北自行目录中选择。16个天体被确认是距离太阳16秒差距内的主序M矮星，其中包括3颗恒星（LSPM J 0011 +5908，LSPM J 0330 +5413，LSPM J 0510 +2714），它们正好位于10秒差距的视界内。另外两个目标（LSPM J1817+1328，LSPM J2325+1403）被证实是附近的白矮星，距离分别为14和22秒差距。我们的目标之一，共同的自行对LSPM J 0405 + 7116 E + LSPM J 0405 + 7116 W，被发现是一个三重系统，其西部分量被分解为一对16等恒星（LSPM J 0405 + 7116 W-A和LSPM J 0405 + 7116 W-B），角间距为0.7”+/-0.1”。我们发现两颗恒星（LSPM J1314+1320和LSPM J1757+7042）的颜色明显过亮，并建议这些可能是未解决的双重/多重。
英文摘要：
We present astrometric parallaxes for 18 suspected nearby stars selected from the LSPM-north proper motion catalog. Sixteen objects are confirmed to be main sequence M dwarfs within 16 parsecs of the Sun, including three stars (LSPM J0011+5908, LSPM J0330+5413, LSPM J0510+2714) which lie just within the 10 parsec horizon. Two other targets (LSPM J1817+1328, LSPM J2325+1403) are confirmed to be nearby white dwarfs at distances of 14 and 22 parsecs, respectively. One of our targets, the common proper motion pair LSPM J0405+7116E + LSPM J0405+7116W, is revealed to be a triple system, with the western component resolved into a pair of 16th magnitude stars (LSPM J0405+7116W-A and LSPM J0405+7116W-B) with a 0.7"+/-0.1" angular separation. We find two stars (LSPM J1314+1320 and LSPM J1757+7042) to be significantly overluminous for their colors, and suggest that these may be unresolved doubles/multiples.
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