H 2-1
Planetary nebula H 2-1 |
|
---|---|
Photo from the Hubble Space Telescope | |
AladinLite | |
Constellation | Scorpio |
Position equinox : J2000.0 |
|
Right ascension | 17h 04m 36.25s |
declination | -33 ° 59 ′ 18.8 ″ |
Appearance | |
Central star | |
Physical data | |
history | |
discovery | Guillermo Haro |
Date of discovery | 1952 |
Catalog names | |
PK 350 + 04 1 • PN G350.9 + 04.4 • ESO 392-2 • IRAS 17013-3355 * Hen 2-194 * EM * MWC 247 |
H 2-1 is a planetary nebula in the constellation Scorpio . The star's special spectrum, a pronounced hydrogen line, was already noticed in a study published in 1933; the classification as a planetary nebula was made in 1952 by Guillermo Haro .
swell
- ↑ Simbad
- ^ Paul W. Merrill, Cora G. Burwell: Catalog and Bibliography of Stars of Classes B and a whose Spectra have Bright Hydrogen Lines , bibcode : 1933ApJ .... 78 ... 87M (H 2-1 is noted as the 247th entry )
- ↑ Guillermo Haro: Nuevas nebulosas planetarias y objetos con emision en la region del centro galactico. , bibcode : 1952BOTT .... 1a ... 1H