AAVSO: American Association of Variable Star Observers

Proposal #345

Proposer (17283) Thomas Karlsson (tkn@seaside.se) obscode: KTHA
Assigned To(3663) Dirk Terrell
Date SubmittedMay 3, 2023

WX Her is a short period mira with a continuously decreasing period. It has been monitored by SAAF/V (Swedish Amateur Astronomers Association / Variable star section) since 2012. From our data and old data from DASCH it has showed a steady decreasing period over 100 years. From about 187 to 179 days,

I wish to have the star observed once a week for one year to help keep monitoring its period. At least with V-filter but preferred with VRI or BVRI.

Target RA (H.HH) Dec (D.DD) Magnitude Telescope Observation Frequency Expiration Date Proprietary Term
WX Her 17.438222 34.52519 16.5–11.5 BSM_NM 5 Nov. 5, 2023 No


(4726) Kenneth Menzies — May 4, 2023, 5:56 p.m.

Thomas, what is magnitude range in I?

(3663) Dirk Terrell — May 5, 2023, 2:41 p.m.

Arne suggests BVRI.

(17283) Thomas Karlsson — May 5, 2023, 7:20 p.m.

The brightness is about 11.5-16.5 in V. In B it is about 13.5-18 and 11-14.5 in R. For I I have no observations.

(4726) Kenneth Menzies — May 9, 2023, 12:11 a.m.

Committed to NH and NM.

Comments on this proposal are closed.