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Variable objects in Ursa Minor

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 Ursae Minoris
Type: SRB | O-LC
Period: 325.7d
Coords: (2000) 16h29m58s +7216'49"
Magnitude range: 8.58 to 11.21
Sequence chart: Hagen/HCO/RGA
Total observations: 5371

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1890..               5   36   17    6
1920..         19   19   71  179  261  351  228  228  237
1930..   199  235  240  286  240  191  113   93  190  214
1940..   111   13    4    7   13   43  115        19
1950..    13   21   42   73   93   87   48   27   72  232
1960..   119   81   67   59   45   57   41   27   18   53
1970..    19   25   16
1990..                                   1   31   16    3
2000..     2

S Ursae Minoris
Type: M | P-LC | O-LC
Period: 331d
Coords: (2000) 15h29m35s +7837'57"
Magnitude range: 7.78 to 13.10
Sequence chart: RGA 1959
Total observations: 7309

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1910..     7   84  138  168  119  123  131  139  141  198
1920..   241  236  175  152  200  207  197  244  256  269
1930..   198  241  213  241  191  124  105  118  161  183
1940..   109   12        26   12   93   91        56
1950..    51   48   52   46   19   38   13   20   17   25
1960..    29   52   89  103  103  116   77   78   77   36
1970..    22  115  100  245  110
1990..                                   4   13    7
2000..     5

T Ursae Minoris
Type: M
Period: 301d
Coords: (2000) 13h34m42s +7325'53"
Magnitude range: 8.00 to 14.00
Total observations: 32

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                                       20    5
2000..     7

U Ursae Minoris
Type: M
Period: 330.92d
Coords: (2000) 14h17m20s +6647'41"
Magnitude range: 7.60 to 11.40
Total observations: 29

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                                   3   23
2000..     3

V Ursae Minoris
Type: SRB | C-LC | P-LC | O-LC
Period: 72d
Coords: (2000) 13h38.7m +7419'
Magnitude range: 7.00 to 9.08
Sequence chart: 101.01 | @
Total observations: 3127

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1970..         95   70   45   38   36   56   74   52   92
1980..         97   36  130  185    1       196  165  156
1990..   130  124  102  182  165  212   65   87  211  161
2000..   164

Z Ursae Minoris
Type: RCB? | C-LC | O-LC
Coords: (2000) 15h01m31s +8302'58"
Magnitude range: 10.70 to 16.30
Sequence chart: VSSC85+86
Total observations: 1541

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                        30  142  200  169  229  374
2000..   397

RR Ursae Minoris
Type: SRB
Period: 43.3d
Coords: (2000) 14h57m36s +6555'56"
Magnitude range: 4.62 to 4.90
Sequence chart: undated
Total observations: 5

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

SS Ursae Minoris (E1551+718)
Type: UGSU | C-LC
Coords: (2000) 15h50m59s +7146'29"
Magnitude range: 13.55 to [16.00
Sequence chart: GMH910825
Total observations: 932

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..         75   80   83   19   31  126  139  105  151
2000..   123


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