21 Leonis Minoris
| Observation data J2000
| |
|---|---|
| Constellation | Leo Minor |
| Right ascension | 10h 07m 25.76296s[1] |
| Declination | +35° 14′ 40.8965″[1] |
| Apparent magnitude (V) | 4.47–4.52[2] |
| Characteristics | |
| Spectral type | A7V[3] |
| U−B color index | +0.08[4] |
| B−V color index | +0.18[4] |
| Variable type | δ Sct[2] |
| Absolute magnitude (MV) | +2.43[6] |
| Details | |
Myr | |
| Database references | |
| SIMBAD | data |
21 Leonis Minoris is a
Sirius supercluster.[6]
21 Leonis Minoris rotates fairly fast for a star; its
2 Hydrae.[11] It is also a Delta Scuti variable, and its apparent magnitude varies from 4.47 to 4.52.[2]
21 Leonis Minoris has an infrared excess, suggesting a debris disk around it.[9] The black body fit has a temperature of 60 K with an orbital radius of 62 AU.[7]
References
- ^ S2CID 18759600.
- ^ Bibcode:2009yCat....102025S.
- doi:10.1086/145697.
- ^ Bibcode:1966CoLPL...4...99J.
- S2CID 119231169.
- ^ doi:10.1086/300465.
- ^ S2CID 119241004.
- ^ S2CID 119417105.
- ^ S2CID 54676993.
- ^ "* 21 LMi". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 22 March 2017.
- doi:10.1086/191349.
