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Variable objects in Leo

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 Leonis | Spectrum near minimum light
Type: M | O-LC
Period: 309.95d
Coords: (2000) 09h47m33s +1125'46"
Magnitude range: 4.20 to 11.04
Sequence chart: RGA1960
Total observations: 6508

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1890..         18    3   36   22   18                  12
1900..   129   89   42   17   38   55  188  220  142  170
1910..    86  104  197  216  198  150  114  137  165  146
1920..   220  232  179  169  229  209  330  277  244  193
1930..   175  222  238  299  256
1980..                    2   11   10    2    6    3    6
1990..     2    1    1    6    5   27   21   54   83   44
2000..    40

T Leonis
Type: UGSU
Coords: (2000) 11h38m27s +0322'07"
Magnitude range: 10.30 to [15.80
Sequence chart: R011.02
Total observations: 447

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..         24    3   29   47   19   37   70   37   97
2000..    84

U Leonis
Type: N?
Coords: (2000) 10h24m03s +1400'11"
Magnitude range: ? to [15.50
Total observations: 221

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                         1   38   26   45   22   35
2000..    54

X Leonis
Type: UGSS | C-LC | P-LC
Period: 17d
Coords: (2000) 09h51m02s +1152'30"
Magnitude range: 10.80 to 16.70
Sequence chart: 010.01
Total observations: 7056

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1980..        138  215  201  210  198  283  437  596  462
1990..   379  462  315  456  392  442  325  434  409  403
2000..   299

RS Leonis
Type: M | O-LC
Period: 208d
Coords: (2000) 09h43.4m +1952'
Magnitude range: 9.63 to 15.00
Sequence chart: 1971 Mar
Total observations: 150

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..         18        16   13   14    9   11   17   26
2000..    26

RY Leonis
Type: SRB | O-LC
Period: 115d
Coords: (2000) 10h04.3m +1359'
Magnitude range: 8.65 to 12.07
Sequence chart: 222.01 | A | B
Total observations: 397

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..         49        55   50   70   37    2   45   47
2000..    42

RZ Leonis
Type: UGWZ
Coords: (2000) 11h37m23s +0148'53"
Magnitude range: 12.50 to 15.30
Sequence chart: R006.02
Total observations: 564

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1980..                                                  1
1990..         25   30   31   54   68   62   76   41   92
2000..    84

UV Leonis
Type: EA
Period: .6d
Coords: (2000) 10h38.4m +1416'
Magnitude range: 9.00 to 9.65
Sequence chart: JEI8711
Total observations: 13

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                                       13

UZ Leonis
Type: EW
Period: .62d
Coords: (2000) 10h40.6m +1334'
Magnitude range: 9.93 to 10.17
Sequence chart: JEI8711
Total observations: 6

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

AP Leonis
Type: EW
Period: .43d
Coords: (2000) 11h05.1m +0509'
Magnitude range: 9.30 to 10.00
Sequence chart: JEI8711
Total observations: 50

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                                       42         8

PG1104+022 Leonis (Leo 1)
Type: not listed
Coords: (2000) 11h06m40s +0154'50"
Magnitude range: 14.80 to 15.60
Sequence chart: VVS
Total observations: 64

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1990..                              8   10   14   15   13
2000..     4

SN1989B Leonis (NGC3627)
Type: SN | O-LC
Coords: (1950) 11h17m37s +1316'45"
Magnitude range: 12.04 to 14.47
Sequence chart: SN016.02
Total observations: 26

Annual
totals   ++0  ++1  ++2  ++3  ++4  ++5  ++6  ++7  ++8  ++9
1980..                                                 26

SN1994ae Leonis (NGC3370)
Type: SN
Coords: (2000) 10h47m03s +1716.4'
Magnitude range: 13.95 to [14.30
Sequence chart: TA941210
Total observations: 3

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

SN1998bu Leonis (NGC3368)
Type: SN | O-LC
Coords: (2000) 10h46.7m +1149'
Magnitude range: 11.40 to 12.60
Sequence chart: SN/038.01
Total observations: 34

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


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