HCN-0.009-0.044 is an interstellar gas cloud near the centre of the Milky Way. The cloud is only 25 light-years from Sagittarius A*. It likely hosts an...

{\frac {1}{1-{r_{\text{s}}}/r}}} , which becomes singular at r = 0 {\displaystyle r=0} and r = r s {\displaystyle r=r_{\text{s}}} respectively. The r s...

orbiting around an invisible object near the galactic center, designated HCN-0.009-0.044, suggested that it is a black hole of 32,000 solar masses and, if so...

θ2 Sagittarii, in the constellation Sagittarius. The pair are separated by 0.58° in the sky. θ1 Sagittarii θ2 Sagittarii This set index article includes...

in the constellation Sagittarius. The two star systems are separated by 0.46° in the sky. κ1 Sagittarii κ2 Sagittarii This set index article includes...

Sagittarii and χ3 Sagittarii, are separated by 0.56° on the sky. The dimmer star χ2 Sagittarii is located between them, 0.10° from χ1, and is too faint to be seen...

probable binary star) and β2 Sagittarii. The two systems are separated by 0.36° in the sky. β1 Sagittarii β2 Sagittarii β1 Sagittarii's two components...

Sagittarii and ξ² Sagittarii, in the constellation Sagittarius, separated by 0.46° in the sky. Because they are close to the ecliptic, they can be occulted...

in the zodiac constellation Sagittarius. The two stars are separated by 0.23° in the sky. ν1 Sagittarii ν2 Sagittarii Nu Sagittarii has the traditional...

system), B and C. A and B themselves form a spectroscopic binary. The system is 0.11 degree north of the ecliptic. ν1 Sagittarii (Latinised to Nu1 Sagittarii)...

that distance, the visual magnitude is diminished by an extinction factor of 0.24 due to interstellar dust. This is a single-lined spectroscopic binary with...

NGC 6565 NGC 6578 NGC 6589 NGC 6590 NGC 6818 Other Barnard 92 G1.9+0.3 HCN-0.009-0.044 Lagoon Nebula Large Molecule Heimat M 1-42 M2-42 Omega Nebula Pistol...

Delta Scuti variable, ranging from 3.94 to 3.90 magnitude with a period of 0.05 days. The star is 893 million years old and is spinning with a projected...

Sagittarii's distance, the visual magnitude is diminished by an extinction factor of 0.17 due to interstellar dust. The pair of stars that constitute this system...

velocity of +8 km/s. This star has a stellar classification of F9V Fe−0.8 CH−0.4, which indicates this is an F-type main-sequence star with a spectrum...

visible to the naked eye, having an apparent visual magnitude of +4.98; it is 0.16 degree north of the ecliptic. The annual parallax shift of 11.91 mas as...

NGC 6565 NGC 6578 NGC 6589 NGC 6590 NGC 6818 Other Barnard 92 G1.9+0.3 HCN-0.009-0.044 Lagoon Nebula Large Molecule Heimat M 1-42 M2-42 Omega Nebula Pistol...

NGC 6565 NGC 6578 NGC 6589 NGC 6590 NGC 6818 Other Barnard 92 G1.9+0.3 HCN-0.009-0.044 Lagoon Nebula Large Molecule Heimat M 1-42 M2-42 Omega Nebula Pistol...

each other over a period of roughly 700 years, having an eccentricity of 0.4 and a semimajor axis of 2 arc seconds. The pair have a combined spectral...

NGC 6565 NGC 6578 NGC 6589 NGC 6590 NGC 6818 Other Barnard 92 G1.9+0.3 HCN-0.009-0.044 Lagoon Nebula Large Molecule Heimat M 1-42 M2-42 Omega Nebula Pistol...

The measured angular diameter, after correction for limb darkening, is 2.32±0.02 mas. At an estimated distance of this star, this yields a physical size...

NGC 6565 NGC 6578 NGC 6589 NGC 6590 NGC 6818 Other Barnard 92 G1.9+0.3 HCN-0.009-0.044 Lagoon Nebula Large Molecule Heimat M 1-42 M2-42 Omega Nebula Pistol...

a visual binary with an orbital period of 5.72 years, an eccentricity of 0.710, and an angular semimajor axis of 69 mas. The primary, component A, is...

NGC 6565 NGC 6578 NGC 6589 NGC 6590 NGC 6818 Other Barnard 92 G1.9+0.3 HCN-0.009-0.044 Lagoon Nebula Large Molecule Heimat M 1-42 M2-42 Omega Nebula Pistol...

NGC 6565 NGC 6578 NGC 6589 NGC 6590 NGC 6818 Other Barnard 92 G1.9+0.3 HCN-0.009-0.044 Lagoon Nebula Large Molecule Heimat M 1-42 M2-42 Omega Nebula Pistol...

NGC 6565 NGC 6578 NGC 6589 NGC 6590 NGC 6818 Other Barnard 92 G1.9+0.3 HCN-0.009-0.044 Lagoon Nebula Large Molecule Heimat M 1-42 M2-42 Omega Nebula Pistol...

NGC 6565 NGC 6578 NGC 6589 NGC 6590 NGC 6818 Other Barnard 92 G1.9+0.3 HCN-0.009-0.044 Lagoon Nebula Large Molecule Heimat M 1-42 M2-42 Omega Nebula Pistol...

(30): 4523–34. Bibcode:2009AtmEn..43.4523C. doi:10.1016/j.atmosenv.2009.06.044. Talhout, R; Opperhuizen, A; van Amsterdam, JG (October 2007). "Role of acetaldehyde...

"1-Adamantanecarboxylic Acid". Organic Syntheses. 44: 1. doi:10.15227/orgsyn.044.0001. Coleman, G. H.; Craig, David (1932). "p-Tolualdehyde". Organic Syntheses...

Lineage Specification". Cell. 126 (4): 677–689. doi:10.1016/j.cell.2006.06.044. PMID 16923388. Hamill, O.P.; Martinac, B. (2001). "Molecular basis of mechanotransduction...