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[vsnet-obs 18062] novae



Photoelectric and CCD observations of classical novae
and related objects.

V723 Cas

JD hel.24... V      B      U      R    Observatory-
                                       Device-
                                       Observer

51105.515  12.73  13.21     -   12.230 Cr-CCD7-Sh
51108.458  12.55  13.11     -   12.110 Cr-CCD7-Sh
51119.18   12.73  13.18     -   12.300 Cr-CCD7-Sh
51121.4335 12.749 13.158 11.960    -   Cr-L-Me
51121.4411 12.806 12.973 12.074    -   Cr-L-Me
51124.2317 12.867 13.114 12.142    -   Cr-L-Me
51124.2383 12.842 13.129 12.138    -   Cr-L-Me
51130.2024 12.763 12.956 12.068    -   Mo-ShV-G
51130.2186 12.870 13.072 12.057    -   Mo-ShV-G
51130.2311 12.826 13.073 12.113    -   Mo-ShV-G
51130.2471 12.799 13.023 12.129    -   Mo-ShV-G
51130.2591 12.868 13.012 12.039    -   Mo-ShV-G
51133.2063 12.883 13.109 12.203    -   Mo-ShV-Sh,G n=2
51134.2289 12.878 13.142 12.227    -   Mo-ShV-Sh,G n=2

V4334 Sgr

51007.3626 11.452 13.159 13.914    -   Cr-ShV-Q
51007.3765 11.436 13.324    -      -   Cr-ShV-Q
51008.3772 11.423 13.160    -      -   Cr-ShV-Q
51008.3862 11.419 13.236 14.32     -   Cr-ShV-Q
51009.3862 11.343 13.170    -      -   Cr-ShV-Q
51013.3363 11.466 13.152 14.298    -   Cr-ShV-Q
51013.3492 11.479 13.198 14.085    -   Cr-ShV-Q
51013.3590 11.471 13.174 14.154    -   Cr-ShV-Q
51014.3502 11.441 13.147    -      -   Cr-ShV-Q
51014.3620 11.453 13.136    -      -   Cr-ShV-Q
51014.3704 11.469 13.120    -      -   Cr-ShV-Q
51015.3302 11.659 13.579    -      -   Cr-ShV-Q
51017.3377 11.504 13.238    -      -   Cr-ShV-Q
51017.3474 11.638 13.507    -      -   Cr-ShV-Q
51018.2986 11.582 13.254    -      -   Cr-ShV-Q
51018.3102 11.605 13.367 14.581    -   Cr-ShV-Q
51018.3239 11.620 13.323 14.504    -   Cr-ShV-Q
51018.3373 11.614 13.406 14.504    -   Cr-ShV-Q
51018.3516 11.595 13.367 14.408    -   Cr-ShV-Q
51019.2940 11.626 13.336    -      -   Cr-ShV-Q
51020.3688 11.496 13.53     -    9.526 Cr-CCD7-G
51022.3100 11.579    -      -    9.554 Cr-CCD7-G
51025.3417 11.747 13.78     -    9.688 Cr-CCD7-G
51028.3172 11.835 14.0      -    9.790 Cr-CCD7-G
51029.3049 11.903 13.74     -    9.814 Cr-CCD7-G

N Oph 1998
Comparison star Henden 8, check star Henden 16.

51013.3534 14.75     -      -   14.43  Cr-CCD7-G,Sh
51013.3568 14.79     -      -   14.43  Cr-CCD7-G,Sh
51015.2951 15.08     -      -   14.86  Cr-CCD7-G,Sh
51015.2980 15.09     -      -   14.80  Cr-CCD7-G,Sh
51016.2921   -       -      -   14.79  Cr-CCD7-G,Sh
51016.2968 15.11     -      -   14.79  Cr-CCD7-G,Sh
51019.3047 15.30     -      -   15.04  Cr-CCD7-G,Sh
51021.3726 15.61     -      -   15.21  Cr-CCD7-G,Sh
51024.2920 16.07     -      -   15.47  Cr-CCD7-G,Sh  (I=15.29)

This rapid decay suggest that the star undergoes DQ Her type
minimum.

Observatory: Cr - Crimean station of SAI, 125-cm, 60-cm and 38-cm 
                  reflectors;
             Mo - Sternberg Institute, Moscow, 70-cm reflector;

Device:      CCD7 - CCD ST-7 with filters;
             L    - UBV photometer by V.M.Lyuty;
             ShV  - UBV photometer by S.Yu.Shugarov and I.M.Volkov;

Observers: G - V.P.Goranskij, Me - N.V.Metlova, Q - A.V.Kusakin,
               Sh -S.Yu.Shugarov.

Vitaly Goranskij, Sternberg Astronomical Institute, Moscow, Russia.

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