Limits on molecular emission from the planetary nebula associated with Sakurai's object

Details Limits on molecular emission from the planetary nebula associated with Sakurai's object Limits on molecular emission from the planetary nebula associated with Sakurai's object

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...335..292e&link_type=abstract

Astronomy and Astrophysics, v.335, p.292-294 (1998)

Astronomy and Astrophysics

Astrophysics

3

Stars: Circumstellar Matter, Infrared: Ism: Lines And Bands, Radio Lines: Ism, Sakurai'S Object = V 4334 Sgr

Scientific paper

We have observed Sakurai's object in the S(1)lambda2 .121 line of H_2 and in the J=2->1 line of (12) CO. We give upper limits on the H_2 and (12) CO emission from the planetary nebula associated with this object. Assuming a distance of 3.8 kpc, we obtain an upper limit on the mass of molecular hydrogen in the planetary nebula of 1.8 10(-4) M_sun for an excitation temperature of 1000 K and, for an excitation temperature of 25 K, an upper limit of 1.5 10(-5) M_sun on the mass of CO.

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