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The Stellar Content of Star Stream I
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996AJ....111.1615E&db_key=AST
| The 77-81 intermediate-band photometric system
The 77-81 intermediate-band photometric color system for the study oflate-type stars is defined. The passbands are centered on a region ofTiO absorption at 7750 A (77) and on a region of CN absorption at 8100 A(81). Good agreement is found between measurements made on the 77-81system with different detectors. The 77-81 color is well correlated withM type and reasonably correlated with carbon-richness class. The 77-81,V-I color-color diagram clearly distinguishes M and C types from otherstars. It is also shown that the 77-81 color may be used to measure TiOband strength.
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Observation and Astrometry data
| Constellation: | Ιχθείς |
| Right ascension: | 01h38m56.20s |
| Declination: | +17°13'36.1" |
| Apparent magnitude: | 8.585 |
| Distance: | 253.807 parsecs |
| Proper motion RA: | 6.9 |
| Proper motion Dec: | -17.5 |
| B-T magnitude: | 9.168 |
| V-T magnitude: | 8.634 |
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