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Table 12

NGC 3766: comparison among different Mv estimates.

ID Other This work Sher Balona Shobbrook
Ahmed designation

1 ALS 2 398 (pe)  −4.05  −1.26  −2.00  −3.75
5 HD 306 794  −4.56 ···     −3.70  −3.88
15 ALS 2 408 (v)  −4.09 ···     −2.60  −7.87
24 CPD−60 3131  −0.02 ···     −1.30  −1.01
26 CPD−60 3125 (ne)  −2.51 ···     −3.10 ···   
27 CPD−60 3128  −2.58  −1.10  −3.10 ···   
30 CPD−60 3135  −1.08  −0.30  −1.60  −0.53
55 CPD−60 3138  −0.54 ···     −1.00 ···   
97 CPD−60 3098  −2.59 ···     −2.60 ···   
151 CD−60 3626  −1.56 ···     −2.00 ···   
169 HD 100 969  −4.60  −1.26  −4.50  −2.75
209 HD 306 800  −1.65 ···     −2.00  −1.52
232 HD 100 943* (e)  −7.00B ···     −7.00  −10.95
239 HD 306 798 (Be)  −2.53  −1.10  −2.60  −2.37
240 ALS 2 401* (Be)  −4.01 ···     −3.60  −3.84
243 HD 308 740  −1.11 ···     −1.30  −0.66
264 HD 306 657* (Be)  −2.62 ···     −2.50 ···   
291 HD 306 793 (e)  −1.53 ···     −2.00  −3.94
301 CPD−60 3087 (e)  −1.57 ···     −2.00  −3.08
316 BF Cen (A)  −3.60 ···     −3.70 ···   
317 HD 306 785  −2.59 ···     −3.70 ···   
326 HD 100 840  −4.61  −1.26  −3.90 ···   
···    HD 306 644  −2.10 ···     −1.70 ···   
···    HD 306 778  −2.10 ···     −2.00 ···   
···    HD 306 784  −0.01 ···     −1.00 ···   
···    HD 306 787  −1.06 ···     −1.30 ···   
···    HD 306 788  −2.06 ···     −2.00 ···   
···    HD 308 743  −1.52 ···     −2.00 ···   
···    HD 308 852 *  −1.54 ···     −1.80 ···   
···    NGC 3766 MG 29  −1.58 ···     −2.00 ···   
···    NGC 3766 MG 116  −1.10 ···     −1.30 ···   
···    NGC 3766 MG 177  −2.53 ···     −2.60 ···   

Notes. (A) Algol eclipsing binary. (Be) Be star. (e) Emission line star. (v) Eruptive variable. (pe) Sharp Hγ line and incipient emission at Hβ. (ne) Moderate emission at Hβ. 4th column: Mv values given by Sher (1965). 5th column: Mv values given by Balona & Crampton (1974). 6th column: Mv values given by Shobbrook (1985).

(*)

Stars with double Balmer discontinuity.

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