Bibcode
Niedzielski, A.; Jaros, R.; Srivastava, D.; Adamów, M.; Wolszczan, A.; Villaver, E.; Maciejewski, G.; Deka-Szymankiewicz, B.
Bibliographical reference
Acta Astronomica
Advertised on:
11
2025
Citations
0
Refereed citations
0
Description
We present an independent spectroscopic and radial velocity analysis for nine stars from the Pennsylvania-Toruń Planet Search.
For BD+24 4697, we present an updated true companion's mass (0.16±0.02 M☉) as well as evidence of stellar activity.
For BD+54 1640 and BD+65 1241 we present true masses of companions, m=0.15±0.04 M☉ and m=0.091± 0.005 M☉, respectively. For BD+63 974 and BD+69 935 we find low mass companions with m sin i=0.046±0.001 M☉ and m sin i=0.090±0.005 M☉. For BD+52 1281, BD+54 1382, TYC 2704-2680-1, and TYC 3525-02043-1 we present evidence of low-mass companions with m sin i of 0.115±0.006 M☉, 0.083±0.007 M☉, 0.279±0.009 M☉, and 0.064±0.006 M☉, respectively.
Consequently, BD+54 1382, BD+63 974, BD+65 1241, BD+69 935 and TYC 3525-02043-1 appear to be brown dwarf host candidates.
For BD+24 4697, we present an updated true companion's mass (0.16±0.02 M☉) as well as evidence of stellar activity.
For BD+54 1640 and BD+65 1241 we present true masses of companions, m=0.15±0.04 M☉ and m=0.091± 0.005 M☉, respectively. For BD+63 974 and BD+69 935 we find low mass companions with m sin i=0.046±0.001 M☉ and m sin i=0.090±0.005 M☉. For BD+52 1281, BD+54 1382, TYC 2704-2680-1, and TYC 3525-02043-1 we present evidence of low-mass companions with m sin i of 0.115±0.006 M☉, 0.083±0.007 M☉, 0.279±0.009 M☉, and 0.064±0.006 M☉, respectively.
Consequently, BD+54 1382, BD+63 974, BD+65 1241, BD+69 935 and TYC 3525-02043-1 appear to be brown dwarf host candidates.