On the distance of dark clouds in the vicinity of the reflection nebula NGC 7023 in Cepheus

Details On the distance of dark clouds in the vicinity of the reflection nebula NGC 7023 in Cepheus On the distance of dark clouds in the vicinity of the reflection nebula NGC 7023 in Cepheus

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992balta...1..149s&link_type=abstract

Baltic Astronomy, vol. 1, p. 149

Astronomy and Astrophysics

Astronomy

39

Reflection Nebulae, Dark Matter, Molecular Clouds, Cepheid Variables, Interstellar Extinction, Stellar Spectra, Astronomical Photometry, Image Classification, Distance, Spectral Energy Distribution

Scientific paper

Distance to a group of dark clouds at moderate galactic latitudes Lynds 1147, 1148, 1152, 1155, 1157, 1158, 1167, 1168, 1170, 1171, 1172, 1173, and 1174 is estimated from the extinction AV vs distance plot. This dependence is based on photometry of 79 stars down to V = 12.5 in the Vilnius photometric system and their two-dimensional classification. The distance of the L1147/1158 group of clouds is found to be 325 +/- 13 pc and that of the L1167/1174 or NGC 7023 group of clouds is 288 +/- 25 pc. A number of stars with peculiar energy distribution has been found.

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