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Variable objects in Canes Venatici

Lightcurves: C-LC = Current or Recent, P-LC = 'Pixel' Long-term, A-LC = from Articles, O-LC = Others.
Magnitude ranges are the extreme observed limits.

R Canum Venaticorum
Type: M | O-LC
Period: 328.53d
Coords: (2000) 13h48m57s +3932'31"
Magnitude range: 7.50 to 12.20
Total observations: 53

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                    4              2    8   14   11
2000..    14

U Canum Venaticorum
Type: M | O-LC
Period: 345.65d
Coords: (2000) 12h47m19s +3822'32"
Magnitude range: 9.00 to 15.00
Sequence chart: 1983 Mar
Total observations: 374

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..         48             47   42   36   21   51   64
2000..    65

V Canum Venaticorum | Binocular priority stars in 1995
Type: SRA | P-LC
Period: 192d
Coords: (2000) 13h19.5m +4532'
Magnitude range: 6.10 to 8.95
Sequence chart: 214.01 | @
Total observations: 2463

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1970..    63    3   21
1980..             222   10   22   17    5   18   24  246
1990..     7    1   53  246  247  255   88  115  374  228
2000..   198

Y Canum Venaticorum | PEP from Ryde
Type: SRB | P-LC
Period: 157d
Coords: (2000) 12h45.1m +4526'
Magnitude range: 4.70 to 8.00
Sequence chart: 215.01
Total observations: 4499

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1970..          2   42  184  254  217  155  108   76   92
1980..   128  179  172  151  201  199  221  237  218  162
1990..   134  131   75  156  195  173  109   74  186  149
2000..   119

RS Canum Venaticorum
Type: EA
Period: 4.8d
Coords: (2000) 13h10.6m +3556'
Magnitude range: 7.80 to 8.90
Sequence chart: JEI720206 | @
Total observations: 8

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                                   8

RT Canum Venaticorum
Type: M
Period: 253.6d
Coords: (2000) 13h48m42s +3341'06"
Magnitude range: 9.90 to 14.40
Sequence chart: 1971 May
Total observations: 68

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1980..                                            17
1990..          1              2         7    1   11   22
2000..     7

TU Canum Venaticorum
Type: SRB | P-LC
Period: 50d
Coords: (2000) 12h54.9m +4712'
Magnitude range: 5.30 to 6.60
Sequence chart: 215.01
Total observations: 4275

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1970..              23  172  252  225  120   77   51   70
1980..   104  174  163  135  193  178  188  235  208  167
1990..   133  132   97  161  207  179  115   68  178  156
2000..   114

TX Canum Venaticorum
Type: ZAND
Coords: (2000) 12h44.7m +3646'
Magnitude range: 7.40 to 11.30
Sequence chart: 078.01 | @
Total observations: 1191

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..         25   24   36  127  154  148  217  156  144
2000..   160

BR Canum Venaticorum (SAO44590) | Suspected Binocular Variables in Hipparcos data
Type: L | C-LC
Coords: (2000) 13h23m05s +4700'07"
Magnitude range: 6.70 to 7.20
Sequence chart: 214.01 | @
Total observations: 95

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                                        7   22   32
2000..    34

NGC4151 Canum Venaticorum
Type: Seyfert
Coords: (2000) 12h10m32s +3924'30"
Magnitude range: 10.90 to 12.75
Sequence chart: JT840715 | @
Total observations: 1953

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1980..         18   68  138  138  129  177  189  135   84
1990..    94   60   16  119   81  103   44   76   86  118
2000..    80

NSV5543 Canum Venaticorum
Type: UG
Coords: (2000) 12h18m38s +4001'39"
Magnitude range: ? to [14.70
Total observations: 43

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                                            14   28
2000..     1

NSV5976 Canum Venaticorum (SAO44343) | Suspected Binocular Variables in Hipparcos data
Type: not listed
Coords: (2000) 12h49m38s +4844'24"
Magnitude range: 6.70 to 6.70
Total observations: 16

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                                                 15
2000..     1

SN1994I Canum Venaticorum (NGC5194)
Type: SN
Coords: (2000) 13h29m53s +4712.0'
Magnitude range: 13.02 to 15.29
Sequence chart: GMH
Total observations: 14

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                        14


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