Theta1 Sagittarii
  | ||
| Observation data ICRS )
| ||
|---|---|---|
| Constellation | Sagittarius | |
| Right ascension | 19h 59m 44.17834s[1] | |
| Declination | −35° 16′ 34.7049″[1] | |
| Apparent magnitude (V) | 4.37[2] | |
| Characteristics | ||
| Spectral type | B3 IVp[3] | |
| U−B color index | −0.67[2] | |
| B−V color index | −0.15[2] | |
| Absolute magnitude (MV) | −1.63[4] | |
Semi-amplitude (K1)(primary) | 15.9 km/s | |
| Details | ||
| θ1 Sgr A | ||
Myr | ||
| Database references | ||
| SIMBAD | data | |
Theta1 Sagittarii (θ1 Sagittarii) is a close
interstellar dust.[11]
This is a single-lined
Sun's radius. It is radiating 2,271[8] times the solar luminosity from its photosphere at an effective temperature of 17,900 K.[8]
References
- ^ S2CID 18759600.
- ^ Bibcode:1978A&AS...34....1N.
- ^ Bibcode:1975A&AS...19...91L
- S2CID 119257644.
- ^ S2CID 119387088.
- ^ S2CID 118629873.
- ^ S2CID 425754.
- ^ S2CID 111387483.
- ^ "tet01 Sgr". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-07-07.
{{cite web}}: CS1 maint: postscript (link) - S2CID 14878976.
- S2CID 119108982.