long period variable meaning in Hindi

Examples

1. Secondly there are the long period variables with periods from 45 to 180 minutes.
2. Technetium stars belong to the classes variable stars of the long period variable types.
3. He also pursued his research on Mira variables, also known as Long period variable stars.
4. Many are long period variable stars.
5. Thus U Orionis became the first long period variable to be identified by a photograph of its spectrum.
6. Recent researches have increasingly focused on the long period variables as only AGB and possibly red giant tip stars.
7. After the publication of the General Catalogue of Variable Stars, both Mira variables and semiregular variables, particularly those of type SRa, were both often considered as long period variables.
8. The varying brightness of VY Cma was not described until 1931 when it was listed ( in German ) as a long period variable with a photographic magnitude range of 9.5-11.5.
9. Serkowski measured CP of q = 7 \ times 10 ^ {-3 } for the red supergiant NML Cygni and q = 2 \ times 10 ^ {-3 } in the long period variable M star VY Canis Majoris in the H band, ascribing the CP to multiple scattering in circumstellar envelopes.
10. The northerly nature of the constellation means that the variable stars can be observed all year : the red giant R Ursae Minoris is a semiregular variable varying from magnitude 8.5 to 11.5 over 328 days, while S Ursae Minoris is a long period variable that ranges between magnitudes 8.0 and 11 over 331 days . Located south of Kochab and Pherkad towards Draco is RR Ursae Minoris, a red giant of spectral type M5III that is also a semiregular variable ranging from magnitude 4.44 to 4.85 over a period of 43.3 days . T Ursae Minoris is another red giant variable star that has undergone a dramatic change in status from being a long period ( Mira ) variable ranging from magnitude 7.8 to 15 over 310 315 days to a semiregular variable.