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Table 1

Coordinates (J2000), orbital periods in days (Ritter & Kolb 2010), and year of the outburst for the 18 old novae under study.

Object α δ P d Year

V603 Aql 18 48 54.64 +00 35 02.9 0.138 1918
T Aur 05 31 59.12 +30 26 45.0 0.204 1891
Q Cyg 21 41 43.92 +42 50 29.1 0.420 1876
HR Del 20 42 20.35 +19 09 39.3 0.214 1967
DN Gem 06 54 54.35 +32 08 28.0 0.128 1912
DQ Her 18 07 30.25 +45 51 32.6 0.194 1934
V446 Her 18 57 21.51 +13 14 29.9 0.207 1960
V533 Her 18 14 20.48 +41 51 22.1 0.148 1963
CP Lac 22 15 41.09 +55 37 01.4 0.145 1936
DI Lac 22 35 48.48 +52 42 59.7 0.544 1910
DK Lac 22 49 46.91 +53 17 19.3 0.130 1950
HR Lyr 18 53 25.05 +29 13 37.7 0.1: 1919
BT Mon 06 43 47.24 –02 01 13.9 0.339 1939
GI Mon 07 26 47.11 –06 40 29.8 0.180 1918
V841 Oph 16 59 30.37 –12 53 27.1 0.601 1848
GK Per 03 31 11.82 +43 54 16.8 1.997 1901
RR Pic 06 35 36.06 –62 38 24.3 0.145 1925
CP Pup 08 11 46.06 –35 21 04.9 0.061 1942

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