Spectroscopic follow-up of hot subdwarf variables found in ZTF - Atmospheric and fundamental properties of radial-mode sdB pulsators

Open Access

Table 4.

Fundamental properties of the ZTF-sdBVs.

Object	Mass	Radius	Luminosity	Class
	[M_⊙]	[R_⊙]	[L_⊙]
ZTF-sdBV1	$0 . 71_{- 0.10}^{+ 0.13}$ $Mathematical equation: $ 0.71^{+0.13}_{-0.10} $$	$0 . 226_{- 0.015}^{+ 0.017}$ $Mathematical equation: $ 0.226^{+0.017}_{-0.015} $$	$26_{- 04}^{+ 05}$ $Mathematical equation: $ 26^{+05}_{-04} $$	rm-sdBV
ZTF-sdBV2	$0 . 47_{- 0.14}^{+ 0.25}$ $Mathematical equation: $ 0.47^{+0.25}_{-0.14} $$	$0 . 163_{- 0.026}^{+ 0.038}$ $Mathematical equation: $ 0.163^{+0.038}_{-0.026} $$	$16_{- 05}^{+ 09}$ $Mathematical equation: $ 16^{+09}_{-05} $$	rm-sdBV
ZTF-sdBV3	$0 . 49_{- 0.29}^{+ 0.48}$ $Mathematical equation: $ 0.49^{+0.48}_{-0.29} $$	$0 . 160_{- 0.060}^{+ 0.070}$ $Mathematical equation: $ 0.160^{+0.070}_{-0.060} $$	$15_{- 9}^{+ 14}$ $Mathematical equation: $ 15^{+14}_{-9} $$	rm-sdBV
ZTF-sdBV4	$0 . 41_{- 0.10}^{+ 0.15}$ $Mathematical equation: $ 0.41^{+0.15}_{-0.10} $$	$0 . 180_{- 0.022}^{+ 0.029}$ $Mathematical equation: $ 0.180^{+0.029}_{-0.022} $$	$20_{- 05}^{+ 08}$ $Mathematical equation: $ 20^{+08}_{-05} $$	rm-sdBV
ZTF-sdBV5	$0 . 55_{- 0.19}^{+ 0.36}$ $Mathematical equation: $ 0.55^{+0.36}_{-0.19} $$	$0 . 210_{- 0.040}^{+ 0.060}$ $Mathematical equation: $ 0.210^{+0.060}_{-0.040} $$	$24_{- 19}^{+ 16}$ $Mathematical equation: $ 24^{+16}_{-19} $$	rm-sdBV
ZTF-sdBV6	$0 . 31_{- 0.09}^{+ 0.08}$ $Mathematical equation: $ 0.31^{+0.08}_{-0.09} $$	$0 . 195_{- 0.029}^{+ 0.020}$ $Mathematical equation: $ 0.195^{+0.020}_{-0.029} $$	$25_{- 07}^{+ 06}$ $Mathematical equation: $ 25^{+06}_{-07} $$	rm-sdBV
ZTF-sdBV7	$0 . 49_{- 0.16}^{+ 0.24}$ $Mathematical equation: $ 0.49^{+0.24}_{-0.16} $$	$0 . 197_{- 0.011}^{+ 0.012}$ $Mathematical equation: $ 0.197^{+0.012}_{-0.011} $$	$20_{- 04}^{+ 05}$ $Mathematical equation: $ 20^{+05}_{-04} $$	rm-sdBV
ZTF-sdBV8	$0 . 68_{- 0.15}^{+ 0.19}$ $Mathematical equation: $ 0.68^{+0.19}_{-0.15} $$	$0 . 316_{- 0.019}^{+ 0.021}$ $Mathematical equation: $ 0.316^{+0.021}_{-0.019} $$	$95_{- 13}^{+ 16}$ $Mathematical equation: $ 95^{+16}_{-13} $$	sdBV_r
ZTF-sdBV9	–	–	–	sdBV_r
ZTF-sdBV10	$0 . 18_{- 0.06}^{+ 0.10}$ $Mathematical equation: $ 0.18^{+0.10}_{-0.06} $$	$0 . 171_{- 0.025}^{+ 0.035}$ $Mathematical equation: $ 0.171^{+0.035}_{-0.025} $$	$31_{- 09}^{+ 15}$ $Mathematical equation: $ 31^{+15}_{-09} $$	BLAP
ZTF-sdBV11	–	–	–	sdOV
ZTF-sdBV12	$0 . 50_{- 0.08}^{+ 0.10}$ $Mathematical equation: $ 0.50^{+0.10}_{-0.08} $$	$0 . 430_{- 0.04}^{+ 0.04}$ $Mathematical equation: $ 0.430^{+0.04}_{-0.04} $$	$89_{- 15}^{+ 19}$ $Mathematical equation: $ 89^{+19}_{-15} $$	BLAP
ZTF-sdBV16	$0 . 57_{- 0.08}^{+ 0.10}$ $Mathematical equation: $ 0.57^{+0.10}_{-0.08} $$	$0 . 192_{- 0.009}^{+ 0.010}$ $Mathematical equation: $ 0.192^{+0.010}_{-0.009} $$	$25_{- 03}^{+ 04}$ $Mathematical equation: $ 25^{+04}_{-03} $$	rm-sdBV

Notes. Measurements are derived from the spectral energy distribution fitting method after fixing atmospheric values to those listed in Table 3. The proposed classification of these objects, based on all results, is listed in the last column.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.