Campaign of b Persei...
Posted: Fri Jan 26, 2018 7:54 pm
(don't confuse with Algol).
Hello,
a new campaign of b Per has been announced in the AAVSO Alert campaign. This is an elliptical variable but also an eclipsing one. There is a third component that orbits the two main stars every 704.5 days and eclipses the system producing a very interesting photometric curve. Due to this peculiar dance, we can observe a very complex eclipse but there are other interesting phenomena more difficult to explain.
The eclipses last more than two days and a worldwide coverage is needed. In this campaing, spectroscopy will be also appreciated.
I don't have more details about what is requested in spectroscopy, but considering that b Per is bright (4.6m at maximum), I think it will be a nice target for Lhires, Mussol's and eshel spectrographs.
I will follow photometrically again b Per during the next weeks. In fact, the planning schedule is an intense coverage from Feb. 5 to Feb. 19, 2018.
More details about this campaign here:
https://www.aavso.org/aavso-alert-notice-610
Greetings,
Fran
Hello,
a new campaign of b Per has been announced in the AAVSO Alert campaign. This is an elliptical variable but also an eclipsing one. There is a third component that orbits the two main stars every 704.5 days and eclipses the system producing a very interesting photometric curve. Due to this peculiar dance, we can observe a very complex eclipse but there are other interesting phenomena more difficult to explain.
The eclipses last more than two days and a worldwide coverage is needed. In this campaing, spectroscopy will be also appreciated.
I don't have more details about what is requested in spectroscopy, but considering that b Per is bright (4.6m at maximum), I think it will be a nice target for Lhires, Mussol's and eshel spectrographs.
I will follow photometrically again b Per during the next weeks. In fact, the planning schedule is an intense coverage from Feb. 5 to Feb. 19, 2018.
More details about this campaign here:
https://www.aavso.org/aavso-alert-notice-610
Greetings,
Fran