MACHO-98-BLG-35
MACHO-98-BLG-35 was a gravitational microlensing event that occurred in July 1998 in the constellation Sagittarius. The red dwarf star causing the lens may have a planet, according to one study.[1]
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Sagittarius |
| Right ascension | 18h 17m 16.2s |
| Declination | −22° 01′ 18″ |
| Apparent magnitude (V) | 20.7 |
| Other designations | |
none | |
Planet
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b (unconfirmed) | 1 MJ | 1 | — | — | — | — |
References
- Rhie, S. H.; Bennett, D. P.; Becker, A. C.; Peterson, B. A.; Fragile, P. C.; Johnson, B. R.; Quinn, J. L.; Crouch, A.; Gray, J.; King, L.; Messenger, B.; Thomson, S.; Bond, I. A.; Abe, F.; Carter, B. S.; Dodd, R. J.; Hearnshaw, J. B.; Honda, M.; Jugaku, J.; Kabe, S.; Kilmartin, P. M.; Koribalski, B. S.; Masuda, K.; Matsubara, Y.; Muraki, Y.; Nakamura, T.; Nankivell, G. R.; Noda, S.; Rattenbury, N. J.; et al. (2000). "On Planetary Companions to the MACHO 98‐BLG‐35 Microlens Star". The Astrophysical Journal. 533 (1): 378–391. arXiv:astro-ph/9905151. Bibcode:2000ApJ...533..378R. doi:10.1086/308634.
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