discov_num | notes | refcode |
STFA 55 | B is BD+36@4537. | |
Toyota et al. (2009) monitored the RV of the A component every 1-2 | ||
months between 2003 Mar - 2007 Nov, using a high-dispersion echelle | ||
(precision ~10 m/s). The star shows a large RV variation; a Keplerian | ||
fit gives a period of 863.8d and an eccentricity of 0.20, which may be | ||
induced by a companion of mass ~8.1 Mjup, by stellar rotation or by | ||
non-radial pulsation. | Toy2009 |
refcode | metd | author | reference |
Toy2009 | rv - | Toyota, E., Itoh, Y., Ishiguma, S., Urakawa, S., Murata, D., Oasa, Y., | 2008PASJ...61...19T |
Toy2009 | Matsuyama, H., Funayama, H., Sato, B., & Mukai, T. | ||
Toy2009 | PASJ 61, 19, 2009 |
idgroup | discov | author |
1 | STF | Struve, F.G.W. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
21238+3721 | STFA 55 | CD | 2000 | 2 | 183 | 12.8 | 11.08 | 14.80 | N | 212354.84+371824.6 | |
21238+3721 | STFA 55 | CD | 2002 | 4 | 183 | 12.7 | 11.08 | 14.80 | N | 212354.84+371824.6 | |
21238+3721 | STFA 55 | CD | 2015 | 5 | 183 | 12.8 | 11.08 | 14.80 | N | 212354.84+371824.6 |