CTA 1
Data from CTA 1 supernova remnant |
|
---|---|
Constellation | Cepheus |
Position Epoch : J2000.0 Equinox : J2000.0 |
|
Right ascension | 00 h 06 m , 6 |
declination | + 72 ° 47 ′ |
properties | |
Angular expansion | approx. 100 ' |
Affiliation | Milky Way |
distance | approx. 1.4 k pc (approx. 4.6 k ly ) |
Age | approx. 10,000 a |
Compact remnant | |
designation | RX J0007.0 + 7302 |
Type | X-ray pulsar |
history | |
Explorer | Daniel Everett Harris, J.A. Roberts |
Discovery year | 1960 |
CTA 1 , also known under the systematic name SNR G119.5 + 10.2 , is a supernova remnant in the constellation Cepheus with an angular extent of about 100 arc minutes. The distance from CTA 1 is estimated to be about 4600 light years, the order of magnitude of the age at 10,000 years.
Sources and individual references
- A dark pulsar in CTA 1 - Astronomy Picture of the Day of October 21, 2008.
- ↑ Brazier et al .: A candidate gamma-ray pulsar in the supernova remnant CTA 1 ; in: Monthly Notices of the Royal Astronomical Society, Vol. 295, Issue 4, pp. 819ff. (1998), bibcode : 1998MNRAS.295..819B
- ↑ Pineault et al .: The supernova remnant CTA1 and the surrounding interstellar medium ; in: Astronomical Journal ( ISSN 0004-6256 ), Vol. 105, No. 3, pp. 1060ff. (1993), bibcode : 1993AJ .... 105.1060P
- ↑ Slane et al .: X-Ray Observations of the Compact Source in CTA 1 ; in: The Astrophysical Journal, Vol. 601, Issue 2, pp. 1045ff. (2004), bibcode : 2004ApJ ... 601.1045S
- ↑ a b Harris, DE; Roberts, J. A .: Radio Source Measurements at 960 Mc / s ; in: Publications of the Astronomical Society of the Pacific, Vol. 72, No. 427, pp. 237ff. (1960), bibcode : 1960PASP ... 72..237H