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This article has an erratum: [https://doi.org/10.1051/0004-6361/201525666e]


Table 4

Parameters of 25 helium-rich hot subdwarfs (14 RV variable, 11 RV variable candidates).

Name Class m V T eff log g log y d Δt ΔRVmax N log p
[mag] [K] [kpc] [d] [ km s-1 ]

J232757.46+483755.2a He-sdO 15.8 64 700 ± 2000 5.40 ± 0.08 > + 2.0 1799.6136 176.0 ± 20.5 59 −680.31
J141549.05+111213.9a He-sdO 16.1 43 100 ± 800 5.81 ± 0.17 > + 2.0 0.0075 125.0 ± 17.0 35 −86.42
J103549.68+092551.9a He-sdO 16.3 48 100 ± 600 6.02 ± 0.13 > + 2.0 3541.9636 53.0 ± 4.0 6 −54.25
J170045.09+391830.3 He-sdOB 18.2 36 500 ± 1600 5.87 ± 0.16 + 0.1 ± 0.1 2160.0414 118.0 ± 11.5 10 −44.76
J161014.87+045046.6 He-sdO 17.3 48 400 ± 1400 6.31 ± 0.09 > + 2.0 0.0124 138.0 ± 17.0 14 −31.77
J110215.45+024034.1a He-sdO 17.5 56 600 ± 4200 5.36 ± 0.22 > + 2.0 0.0332 62.0 ± 8.5 3 −10.91
J174516.32+244348.3a He-sdO 17.7 43 400 ± 1000 5.62 ± 0.21 > + 2.0 1220.5806 134.0 ± 25.5 13 −8.81
J160304.07+165953.8b He-sdO 16.9 45 400 ± 300 6.10 ± 0.07 > + 2.0 0.9087 71.0 ± 18.5 5 −8.11
J094856.95+334151.0a He-sdO 17.7 51 000 ± 1200 5.87 ± 0.12 + 1.8 ± 0.5 0.0123 74.0 ± 14.0 3 −7.73
J152136.25+162150.3 He-sdO 17.1 47 400 ± 1000 5.81 ± 0.08 + 1.6 ± 0.4 2175.9687 77.0 ± 24.0 9 −5.94
J163416.08+221141.0 He-sdOB 15.5 38 300 ± 1400 5.65 ± 0.26 > + 2.0 653.3309 35.0 ± 6.5 6 −5.55
J153237.94+275636.9 He-sdO 18.5 37 700 ± 1300 6.09 ± 0.22 + 0.0 ± 0.2 1.0012 73.0 ± 16.5 3 −5.52
J233914.00+134214.3 He-sdO 17.6 48 100 ± 1600 5.65 ± 0.25 > + 2.0 1451.6391 72.0 ± 11.8 12 −5.11
J173034.09+272139.8c He-sdO 18.9 39 500 ± 700 5.83 ± 0.17 + 0.1 ± 0.1 698.7112 41.0 ± 10.0 2 −5.00

J170214.00+194255.1b He-sdO 15.8 44 300 ± 600 5.79 ± 0.11 > + 2.0 1665.2088 38.0 ± 10.0 5 3.76
J081329.81+383326.9 He-sdO 17.5 45 800 ± 800 6.11 ± 0.11 + 1.8 ± 0.4 0.0175 54.0 ± 13.0 6 3.35
J204940.85+165003.6a He-sdO 17.9 43 000 ± 700 5.71 ± 0.13 > + 2.0 5.9325 84.0 ± 18.5 7 3.13
J160623.21+363005.4 He-sdOB 18.5 36 400 ± 700 5.34 ± 0.17 −0.5 ± 0.1 1414.9811 67.0 ± 19.5 2 3.04
J112414.45+402637.1a He-sdO 18.0 47 100 ± 1000 5.81 ± 0.23 > + 1.7 0.0215 62.0 ± 18.5 3 2.65
J161059.80+053625.2b He-sdO 17.2 46 300 ± 700 6.22 ± 0.10 + 1.0 ± 0.6 751.7674 38.0 ± 9.5 4 2.64
J151415.66-012925.2a He-sdO 17.0 48 200 ± 500 5.85 ± 0.08 + 1.7 ± 0.4 3.9687 66.0 ± 20.5 5 2.58
J161938.64+252122.4 He-sdOB 17.5 35 000 ± 2000 5.80 ± 0.33 −0.4 ± 0.2 0.9716 67.0 ± 26.0 3 1.81
J160450.44+051909.2 He-sdOB 18.5 38 100 ± 700 5.22 ± 0.27 + 1.2 ± 0.2 0.9736 145.0 ± 61.0 8 1.75
J090252.99+073533.9 He-sdO 17.4 40 100 ± 500 5.91 ± 0.19 > + 2.0 1612.4334 67.0 ± 27.0 5 1.65
J081304.04-071306.5 He-sdO 18.6 48 200 ± 900 5.93 ± 0.14 + 1.8 ± 0.5 0.9897 137.0 ± 41.0 7 1.50

Notes.

(a)

Atmospheric parameters taken from Geier et al. (2011a).

(b)

Atmospheric parameters derived from a spectrum taken with ESO-VLT/FORS1.

(c)

Atmospheric parameters derived from a spectrum taken with WHT/ISIS.

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