Photometric and spectroscopic observations of the outburst of the symbiotic star AG Draconis between March and June 2016

https://arxiv.org/abs/1612.07352

Ernst Pollmann


 International Observing Campaign "Photometry and Spectroscopy of P Cygni"

E. Pollmann and Th. Bauer, JAAVSO Volume 40, 2012

AAVSO -- International Observing Campaign: Photometry and Spectroscopy of P Cygni

Ernst Pollmann


The Long-Term Binary System VV Cep

https://konkoly.hu/pub/ibvs/6101/6156.pdf

Ernst Pollmann


Monitoring the radial velocity of HeI 6678 of gamma Cas

http://ibvs.konkoly.hu/pub/ibvs/6101/6169.pdf

Ernst Pollmann


Long-term radial velocity of the HeI 6678 line of zeta Tau

 
Ernst Pollmann 

Variability of the HeI 6678 Emission in delta Sco 
Ernst Pollmann

Photometry and Spectroscopy of P Cygni: Periodic Variation of the Intrinsic Hα-line Flux

https://app.aavso.org/media/jaavso/3590_gnbS8Ih.pdf

Ernst Pollmann


Spectroscopic Monitoring of the 2017–2019 Eclipse of VV Cephei

https://app.aavso.org/media/jaavso/3583_adrRCxe.pdf

Ernst Pollmann