1. Poynting Robertson effects due to a logarithmic correction to the Newtonian potential

   • Ioannis Haranas
   • Ioannis Gkigkitzis
   • Eli Cavan

   Original Article 24 September 2021 Article: 93

   

2. Study of the open cluster Alessi-Teutsch 9 (ASCC 10) using multiband photometry and Gaia EDR3

   • Néstor Sánchez
   • Fátima López-Martínez
   • Pere Blay

   Original Article 22 September 2021 Article: 92

   

3. On dark matter as a geometric effect in the galactic halo

   • Ugur Camci

   Original Article 10 September 2021 Article: 91

   

4. The deceleration parameter in “tilted” Friedmann universes: Newtonian vs relativistic treatment

   • Christos G. Tsagas
   • Miltiadis I. Kadiltzoglou
   • Kerkyra Asvesta

   Original Article 09 September 2021 Article: 90

   

5. Phenomenological distribution of dark matter halos of galaxy comprising of stellar streams

   • Mir Hameeda
   • Mario C. Rocca

   Original Article 06 September 2021 Article: 89

   

6. Retrograde co-orbital orbits in the Earth–Moon system: planar stability region under solar gravitational perturbation

   • Kenta Oshima

   Original Article 06 September 2021 Article: 88

   

7. Investigating the coronal structure by studying time lags in the Atoll source 4U 1705-44 using AstroSat

   • S. Malu
   • S. Harikrishna
   • Vivek K. Agrawal

   Original Article 03 September 2021 Article: 87