Free Access

Table 7

Coefficients of the colour–colour polynomial fittings using 2MASS passbands.

Pure-H (with T eff > 5000 K)

Colour Zero point JH (JH)2 (JH)3 σ

G G BP –0.0034 –1.1932 2.1269 –8.0313 0.028
G G RP 0.0065 2.2502 –3.2057 6.3488 0.029
G G RVS 0.0356 3.0105 –4.1872 8.1704 0.037
GBP – GRP 0.0099 3.4434 –5.3326 14.3800 0.056
GJ –0.1012 4.6781 –5.8656 12.5043 0.062
GH –0.1012 5.6781 –5.8656 12.5043 0.062
GKS –0.1471 6.0017 –6.5462 15.6901 0.068

Colour Zero point HKS (HKS)2 (HKS)3 σ

G G BP –0.1554 –3.3439 1.7800 17.6435 0.032
G G RP 0.2713 5.4984 –12.2013 –88.7226 0.050
G G RVS 0.3897 7.3579 –16.1908 –120.0339 0.069
GBP – GRP 0.4267 8.8424 –13.9813 –106.3661 0.080
GJ 0.4739 11.9522 –25.0546 –216.7318 0.090
GH 0.6107 14.8963 –28.7366 –293.7142 0.110
GKS 0.6107 15.8963 –28.7366 –293.7142 0.110

Pure-He (All T eff )

Colour Zero point JH (JH)2 (JH)3 σ

G G BP –0.0161 –1.5484 –1.7352 1.0170 0.039
G G RP 0.0854 2.6145 –1.1648 –0.3721 0.027
G G RVS 0.1256 3.4444 –1.1064 –0.6378 0.037
GBP – GRP 0.1015 4.1628 0.5704 –1.3891 0.065
GJ –0.0079 5.1327 –0.1668 –1.4542 0.049
GH –0.0079 6.1327 –0.1668 –1.4542 0.049
GKS –0.0304 6.7716 0.1327 –1.9867 0.047

Colour Zero point HKS (HKS)2 (HKS)3 σ

G G BP –0.0661 –2.5496 –3.4271 3.7898 0.046
G G RP 0.1692 3.9294 –4.1881 2.2276 0.036
G G RVS 0.2360 5.2135 –4.4738 2.0733 0.049
GBP – GRP 0.2354 6.4790 –0.7610 –1.5622 0.080
GJ 0.1599 7.8890 –3.5933 2.1854 0.066
GH 0.1933 9.4216 –4.3087 4.3196 0.070
GKS 0.1933 10.4216 –4.3087 4.3196 0.070

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.