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Photometry and spectroscopy of stars in northern H II regions
New UBV photometry of 60 candidates for the exciting stars of a sampleof optical H II regions between Galactic longitudes 30 and 70 deg ispresented, together with MK spectral types for a smaller number ofstars. These data allow the identification of 11 possible new excitingstars in 7 nebulae. A catalog of basic data on the 36 Sharpless (1959) HII regions in this longitude range has been compiled from the presentobservations and from a reanalysis of existing data and is alsopresented, with notes on individual nebulae.
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Observation and Astrometry data
| Constellation: | Aquila |
| Right ascension: | 18h59m03.00s |
| Declination: | +07°15'40.8" |
| Apparent magnitude: | 8.293 |
| Proper motion RA: | -54.5 |
| Proper motion Dec: | -5.2 |
| B-T magnitude: | 8.955 |
| V-T magnitude: | 8.348 |
Catalogs and designations:
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