Monitoring requested for V730 Cep
Active Dates: Oct. 28, 2022 – Aug. 31, 2025
Abstract:
AAVSO Young Stellar Object (YSO) Section leader Michael Poxon (Great Plumstead, Norfolk, UK) requests coverage of the YSO V730 Cep beginning immediately and continuing until further notice.
Justification:
Following a series of deeper than usual fades on the Herbig B star V730 Cephei (most recently to magnitude 16.1 visual, 16.3B) it would be good to have as 'wide a wavelength as possible' coverage of this object at all stages of its behaviour, especially at times leading up to, as well as just after, any fades that take place. Fades are typically sudden and are becoming increasingly deep. In view of the above, observations using a variety of filters over a period of several fades, as well as purely visual observations, are needed to form a more complete picture of the star and its environment.
Requested Data Types:
Photometry
Targets
| Name | Magnitude | Variability Type | Photometry Notes | Spectroscopy Notes |
|---|---|---|---|---|
| BMAM-V730 | 14.40 | UV |
Cadence: Not Specified Precision: 100 |
Not Requested |
Spectroscopy Lines:
No spectroscopy lines provided
Photometry Filters:
B (Johnson), V (Johnson), R (Cousins), I (Cousins), Other (Please Specify)
Comparison Stars:
No comparison stars provided
Co-Authorship
Observers are not eligible for co-authorship.
Additional Observer Input:
Other photometry filter = visual observations. Cadence is nightly between fades, a few times/night during fades.
Additional Submission Location:
Not provided
Notes:
Principal Investigator: Michael Poxon; Imported Campaign (Alert Notice #797). The forum thread given below is in the Campaigns and Observation Reports forum. There is an additional thread here: Young Stellar Objects (YSO): https://www.aavso.org/v-730-cep-monitoring-01