45 Boötis
45 Boötis
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
Constellation | Boötes |
Right ascension | 15h 07m 18.0659s |
Declination | +24° 52′ 09.104″ |
Apparent magnitude (V) | 4.93[1] |
| Characteristics | |
Spectral type | F5 V[1] |
| U−B color index | -0.02 |
| B−V color index | +0.43[1] |
| R−I color index | 0.21 |
| Astrometry | |
| Radial velocity (Rv) | -7.3 km/s |
| Proper motion (μ) | RA: 184.81 mas/yr Dec.: -163.51 mas/yr |
| Parallax (π) | 50.7 ± 0.76 mas |
| Distance | 64.3 ± 1.0 ly (19.7 ± 0.3 pc) |
| Absolute magnitude (MV) | 3.96[2] |
| Details | |
| Mass | 1.4[1] M☉ |
| Radius | 1.1[1] R☉ |
| Luminosity | 2.1[1] L☉ |
| Surface gravity (log g) | 4.49[1] cgs |
| Temperature | 7,190 ± 130[1] K |
| Other designations | |
c Boötis, BD+25°2873, FK5 1396, Gl 578, HD 134083, HIP 73996, HR 5634, SAO 83671. | |
| Database references | |
| SIMBAD | data |
45 Boötis or c Boötis is a binary star in the constellation Boötes.
45 Boötis is a yellow-white F-type main sequence dwarf with an apparent magnitude of +4.93. It is approximately 64.3 light years from Earth.
References[edit]
^ abcdefgh Malagnini, M. L.; Morossi, C. (November 1990), "Accurate absolute luminosities, effective temperatures, radii, masses and surface gravities for a selected sample of field stars", Astronomy and Astrophysics Supplement Series, 85 (3): 1015–1019, Bibcode:1990A&AS...85.1015M.mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
^ Eggen, Olin J. (August 1998), "The Sirius Supercluster and Missing Mass near the Sun", The Astronomical Journal, 116 (2): 782–788, Bibcode:1998AJ....116..782E, doi:10.1086/300465.
External links[edit]
- HR 5634
- CCDM J15074+2453
- Image 45 Boötis
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Categories:
- Bayer objects
- Flamsteed objects
- Henry Draper Catalogue objects
- Hipparcos objects
- Boötes
- F-type main-sequence stars
- Double stars
- HR objects
- Durchmusterung objects
- Gliese and GJ objects
- Variable star stubs
- Main-sequence-star stubs
- Multiple star stubs
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