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| Query : 2025RNAAS...9..125L |
2025RNAAS...9..125L - Research Notes of the AAS, 9, 125 (2025/May-0)
Kast Optical Spectra of Unclassified Stars Within 20 pc of the Sun.
LORITSCH M., BURGASSER A., FIERRO M., SOFTICH E., THEISSEN C., KARPOOR P., HSU C.-C. and GERASIMOV R.
Abstract (from CDS):
M- and L-type dwarfs are abundant in the Milky Way, yet many of these nearest sources remain poorly characterized. We present optical spectra for 67 low-luminosity sources within 20 pc of the Sun, 41 of which are optically classified for the first time. We determine spectral classifications spanning M3-L3, and report indicators of metallicity and magnetic activity. We identify two sources with discrepant classifications in the literature, and report a likely binary system LP 546-37.
Abstract Copyright: © 2025. The Author(s). Published by the American Astronomical Society.
Journal keyword(s): L dwarfs - L subdwarfs - M dwarf stars - Stellar classification
Simbad objects: 14
| Number of rows : 14 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LSPM J0025+5422 | PM* | 00 25 16.0377773402 | +54 22 54.901043248 | 20.1 | 17.6 | M6.5V | 20 | 0 | |||
| 2 | 2MASS J04124640-0734097 | BD* | 04 12 46.4276135681 | -07 34 10.158631974 | L2pec | 6 | 0 | |||||
| 3 | LSPM J0540+6417 | PM* | 05 40 23.5389896776 | +64 17 03.589772450 | 21.0 | 19.0 | M8.5 | 7 | 0 | |||
| 4 | G 250-29 | ** | 06 54 04.3730154767 | +60 52 18.104163582 | 10.0 | M3.0V | 78 | 0 | ||||
| 5 | LP 546-37 | PM* | 09 03 20.98152 | +05 40 14.7828 | 17.6 | 15.5 | M7V | 32 | 0 | |||
| 6 | LP 791-3 | PM* | 10 44 29.1961108874 | -18 38 07.181181981 | 15.4 | 14.500 | 13.23 | 11.56 | ~ | 21 | 0 | |
| 7 | Wolf 414 | ** | 12 28 57.5928686771 | +08 25 31.147431123 | 14.828 | 13.618 | 12.047 | 10.862 | 9.329 | M4V | 88 | 0 |
| 8 | StM 193 | * | 14 02 06.0813523872 | +21 02 45.258100116 | 13.5 | M7 | 5 | 0 | ||||
| 9 | LP 134-7 | PM* | 14 23 02.5734342958 | +51 46 30.528973379 | 19.7 | 17.6 | M7V | 22 | 0 | |||
| 10 | UPM J1425+2540 | LM* | 14 25 34.6616133504 | +25 40 05.026068804 | 17.0 | M6V | 9 | 0 | ||||
| 11 | SSSPM J1444-2019 | BD* | 14 44 20.3377033020 | -20 19 25.483786838 | 18.57 | 14.97 | sdL0 | 36 | 1 | |||
| 12 | G 203-47 | SB* | 17 09 31.5435804441 | +43 40 52.772862930 | 13.46 | 13.671 | 11.511 | M3.5V | 106 | 0 | ||
| 13 | 2MASS J20055044+1911189 | PM* | 20 05 50.4495167066 | +19 11 19.457196910 | ~ | 2 | 0 | |||||
| 14 | LSPM J2044+1517 | LM* | 20 44 37.4803894047 | +15 17 34.781554395 | 19.5 | 17.1 | M7.5 | 17 | 0 |
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