2M 044144
2M 0441+23
04 41 45.652
+23 01 58.07
145
2M0441+2301
2M0441+2301 AabBab
12.37
1800
237.3
2M 044145
2M0441+2301 A
2M0441+2301 Aab
2MASS J04414565+2301580
0.2323
34
79.61
2M0441+2301 Aa
2M 044145 A
2MASS J04414565+2301580 A
10.77
10.19
9.94
M4.5
0.2
1.1
3400
2M0441+2301 Ab
2M 044145 B
2MASS J04414565+2301580 B
13.73
13.30
12.71
M7±1
0.033
2800
2M 044144
2M 044144 A
2MASS J04414489+2301513
2MASS J04414489+2301513 A
2M0441+2301 Ba
2M0441+2301 B
14.03
13.46
0.018
M7
2100
2M 044144 b
2M 044144 B
2MASS J04414489+2301513 B
2M0441+2301 Bb
Confirmed planets
9.8
0.0966
14
132.1
15.62
14.94
L1
1800
imaging
15/09/12
2010
2M 044144 b is the lowest-mass member of the quadruple system 2M0441+2301. Despite having a mass below the deuterium-fusion limit, the low mass ratio between 2M 044144 A and B suggests it likely formed by turbulent fragmentation rather than core accretion.
Planets in binary systems, S-type
Taurus