Open a color composite thumbnail image of M33-3M33-3 (J013345.48+303648.5)


Target Notes

Open a color composite thumbnail image of M33-3

Classification: -

Object 3 in Khan et al. 2012. Six stars with comparable brightness within 2 arc seconds. All flagged B.

Find In Simbad Query LGGS Massey (2016) at VizieR Query CAT WISE (Eisenhardt et al., 2020) at VizieR Query Gaia DR3 (2022) at VizieR
Query M33 Variability Hartman et al. Survey (2006) at VizieR

Photometry Table

Download table (txt) Key to Flags in Table Key For Images Plot/Graph Variability
MJDV*ImageB*ImageR*ImagesI*Images
56140.38 19.07± 0.09TBOpen a thumbnail image of M33-3 in filter V on MJD 56140.380
Open a thumbnail image of M33-3 in filter V on MJD 56140.380
----> 13.68XOpen a thumnail image of M33-3 in filter R on MJD 56140.380
Open a thumnail image of M33-3 in filter R on MJD 56140.380
----
56593.16 18.96± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 56593.160
 18.64± 0.05BOpen a thumnail image of M33-3 in filter B on MJD 56593.160
--------
56599.18 18.71± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 56599.180
Open a thumbnail image of M33-3 in filter V on MJD 56599.180
> 17.06XOpen a thumnail image of M33-3 in filter B on MJD 56599.180
Open a thumnail image of M33-3 in filter B on MJD 56599.180
 17.41± 0.06ABOpen a thumnail image of M33-3 in filter R on MJD 56599.180
Open a thumnail image of M33-3 in filter R on MJD 56599.180
----
56976.19 19.21± 0.11XOpen a thumbnail image of M33-3 in filter V on MJD 56976.190
> 16.54XOpen a thumnail image of M33-3 in filter B on MJD 56976.190
 17.50± 0.07BOpen a thumnail image of M33-3 in filter R on MJD 56976.190
----
57035.14>14.990-Open a thumbnail image of M33-3 in filter V on MJD 57035.140
> 17.96-Open a thumnail image of M33-3 in filter B on MJD 57035.140
 17.46± 0.06TBOpen a thumnail image of M33-3 in filter R on MJD 57035.140
----
57328.16 18.91± 0.05BOpen a thumbnail image of M33-3 in filter V on MJD 57328.160
 18.77± 0.05BOpen a thumnail image of M33-3 in filter B on MJD 57328.160
 17.48± 0.04BOpen a thumnail image of M33-3 in filter R on MJD 57328.160
----
57406.10>14.170-Open a thumbnail image of M33-3 in filter V on MJD 57406.100
> 12.05XOpen a thumnail image of M33-3 in filter B on MJD 57406.100
 17.49± 0.06TBOpen a thumnail image of M33-3 in filter R on MJD 57406.100
 18.82± 0.27TBOpen a thumnail image of M33-3 in filter I on MJD 57406.100
57634.38 18.96± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 57634.380
 18.90± 0.07BOpen a thumnail image of M33-3 in filter B on MJD 57634.380
 17.51± 0.07BOpen a thumnail image of M33-3 in filter R on MJD 57634.380
> 16.19-Open a thumnail image of M33-3 in filter I on MJD 57634.380
57964.33 18.92± 0.08BOpen a thumbnail image of M33-3 in filter V on MJD 57964.330
 18.69± 0.09BOpen a thumnail image of M33-3 in filter B on MJD 57964.330
 17.41± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 57964.330
> 15.84-Open a thumnail image of M33-3 in filter I on MJD 57964.330
58043.10 18.88± 0.08BOpen a thumbnail image of M33-3 in filter V on MJD 58043.100
---- 17.48± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 58043.100
> 15.64-Open a thumnail image of M33-3 in filter I on MJD 58043.100
58045.18 18.47± 0.08BOpen a thumbnail image of M33-3 in filter V on MJD 58045.180
> 16.99-Open a thumnail image of M33-3 in filter B on MJD 58045.180
 17.37± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 58045.180
----
58073.20 19.23± 0.10TBOpen a thumbnail image of M33-3 in filter V on MJD 58073.200
> 18.93XOpen a thumnail image of M33-3 in filter B on MJD 58073.200
--------
58103.18 18.97± 0.10TBOpen a thumbnail image of M33-3 in filter V on MJD 58103.180
------------
58108.11 18.87± 0.08BOpen a thumbnail image of M33-3 in filter V on MJD 58108.110
 18.84± 0.11BOpen a thumnail image of M33-3 in filter B on MJD 58108.110
----> 14.47-Open a thumnail image of M33-3 in filter I on MJD 58108.110
58312.39 18.76± 0.07TBOpen a thumbnail image of M33-3 in filter V on MJD 58312.390
> 15.74-Open a thumnail image of M33-3 in filter B on MJD 58312.390
--------
58317.37 18.87± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 58317.370
 18.67± 0.08BOpen a thumnail image of M33-3 in filter B on MJD 58317.370
 17.45± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 58317.370
----
58341.36 19.14± 0.09ABOpen a thumbnail image of M33-3 in filter V on MJD 58341.360
Open a thumbnail image of M33-3 in filter V on MJD 58341.360
---- 17.60± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 58341.360
 18.87± 0.15BOpen a thumnail image of M33-3 in filter I on MJD 58341.360
Open a thumnail image of M33-3 in filter I on MJD 58341.360
58342.40 19.05± 0.14BOpen a thumbnail image of M33-3 in filter V on MJD 58342.400
 18.73± 0.14BOpen a thumnail image of M33-3 in filter B on MJD 58342.400
 17.43± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 58342.400
Open a thumnail image of M33-3 in filter R on MJD 58342.400
----
58373.15 19.40± 0.13BOpen a thumbnail image of M33-3 in filter V on MJD 58373.150
 18.94± 0.10BOpen a thumnail image of M33-3 in filter B on MJD 58373.150
--------
58375.14>16.470-Open a thumbnail image of M33-3 in filter V on MJD 58375.140
---- 17.46± 0.05TBOpen a thumnail image of M33-3 in filter R on MJD 58375.140
----
58420.10 18.83± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 58420.100
> 16.89-Open a thumnail image of M33-3 in filter B on MJD 58420.100
----> 15.53-Open a thumnail image of M33-3 in filter I on MJD 58420.100
58433.01 18.74± 0.09BOpen a thumbnail image of M33-3 in filter V on MJD 58433.010
Open a thumbnail image of M33-3 in filter V on MJD 58433.010
---- 17.44± 0.06ABOpen a thumnail image of M33-3 in filter R on MJD 58433.010
Open a thumnail image of M33-3 in filter R on MJD 58433.010
> 15.32-Open a thumnail image of M33-3 in filter I on MJD 58433.010
Open a thumnail image of M33-3 in filter I on MJD 58433.010
58672.39>15.760-Open a thumbnail image of M33-3 in filter V on MJD 58672.390
---- 17.36± 0.06TBOpen a thumnail image of M33-3 in filter R on MJD 58672.390
> 14.68-Open a thumnail image of M33-3 in filter I on MJD 58672.390
58673.38 19.02± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 58673.380
 18.77± 0.07BOpen a thumnail image of M33-3 in filter B on MJD 58673.380
--------
58695.36 18.95± 0.06XOpen a thumbnail image of M33-3 in filter V on MJD 58695.360
 18.81± 0.06BOpen a thumnail image of M33-3 in filter B on MJD 58695.360
 17.48± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 58695.360
----
58779.18>17.020-Open a thumbnail image of M33-3 in filter V on MJD 58779.180
> 16.95-Open a thumnail image of M33-3 in filter B on MJD 58779.180
--------
58784.12 18.93± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 58784.120
 18.71± 0.07BOpen a thumnail image of M33-3 in filter B on MJD 58784.120
--------
58812.21 18.86± 0.07ABOpen a thumbnail image of M33-3 in filter V on MJD 58812.210
Open a thumbnail image of M33-3 in filter V on MJD 58812.210
---- 17.38± 0.07BOpen a thumnail image of M33-3 in filter R on MJD 58812.210
> 16.47-Open a thumnail image of M33-3 in filter I on MJD 58812.210
58902.06 18.84± 0.07ABOpen a thumbnail image of M33-3 in filter V on MJD 58902.060
Open a thumbnail image of M33-3 in filter V on MJD 58902.060
---- 17.44± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 58902.060
> 16.04-Open a thumnail image of M33-3 in filter I on MJD 58902.060
59056.38 18.89± 0.06BOpen a thumbnail image of M33-3 in filter V on MJD 59056.380
 18.65± 0.07BOpen a thumnail image of M33-3 in filter B on MJD 59056.380
 17.35± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 59056.380
 18.29± 0.10BOpen a thumnail image of M33-3 in filter I on MJD 59056.380
59059.39 18.93± 0.07ABOpen a thumbnail image of M33-3 in filter V on MJD 59059.390
Open a thumbnail image of M33-3 in filter V on MJD 59059.390
 18.73± 0.07BOpen a thumnail image of M33-3 in filter B on MJD 59059.390
 17.49± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 59059.390
> 15.09-Open a thumnail image of M33-3 in filter I on MJD 59059.390
59081.29 18.87± 0.07ABOpen a thumbnail image of M33-3 in filter V on MJD 59081.290
Open a thumbnail image of M33-3 in filter V on MJD 59081.290
 18.90± 0.06BOpen a thumnail image of M33-3 in filter B on MJD 59081.290
 17.48± 0.05ABOpen a thumnail image of M33-3 in filter R on MJD 59081.290
Open a thumnail image of M33-3 in filter R on MJD 59081.290
----
59082.32 18.95± 0.05BOpen a thumbnail image of M33-3 in filter V on MJD 59082.320
 19.00± 0.06BOpen a thumnail image of M33-3 in filter B on MJD 59082.320
Open a thumnail image of M33-3 in filter B on MJD 59082.320
 17.49± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 59082.320
Open a thumnail image of M33-3 in filter R on MJD 59082.320
Open a thumnail image of M33-3 in filter R on MJD 59082.320
----
59084.29-------- 17.37± 0.05TBOpen a thumnail image of M33-3 in filter R on MJD 59084.290
----
59161.09 18.88± 0.07ABOpen a thumbnail image of M33-3 in filter V on MJD 59161.090
Open a thumbnail image of M33-3 in filter V on MJD 59161.090
 18.84± 0.07ABOpen a thumnail image of M33-3 in filter B on MJD 59161.090
Open a thumnail image of M33-3 in filter B on MJD 59161.090
 17.45± 0.05ABOpen a thumnail image of M33-3 in filter R on MJD 59161.090
Open a thumnail image of M33-3 in filter R on MJD 59161.090
----
59171.11 18.92± 0.07ABOpen a thumbnail image of M33-3 in filter V on MJD 59171.110
Open a thumbnail image of M33-3 in filter V on MJD 59171.110
 18.83± 0.05BOpen a thumnail image of M33-3 in filter B on MJD 59171.110
---- 18.42± 0.11BOpen a thumnail image of M33-3 in filter I on MJD 59171.110
Open a thumnail image of M33-3 in filter I on MJD 59171.110
59227.09 19.01± 0.06ABOpen a thumbnail image of M33-3 in filter V on MJD 59227.090
Open a thumbnail image of M33-3 in filter V on MJD 59227.090
 18.81± 0.06ABOpen a thumnail image of M33-3 in filter B on MJD 59227.090
Open a thumnail image of M33-3 in filter B on MJD 59227.090
 17.52± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 59227.090
----
59415.37 18.89± 0.10ABOpen a thumbnail image of M33-3 in filter V on MJD 59415.370
Open a thumbnail image of M33-3 in filter V on MJD 59415.370
 18.77± 0.09BOpen a thumnail image of M33-3 in filter B on MJD 59415.370
 17.48± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 59415.370
----
59441.39 18.89± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 59441.390
 18.73± 0.07BOpen a thumnail image of M33-3 in filter B on MJD 59441.390
--------
59442.39 19.02± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 59442.390
---- 17.51± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 59442.390
 18.71± 0.11BOpen a thumnail image of M33-3 in filter I on MJD 59442.390
59463.30 18.79± 0.06TBOpen a thumbnail image of M33-3 in filter V on MJD 59463.300
Open a thumbnail image of M33-3 in filter V on MJD 59463.300
--------> 16.28-Open a thumnail image of M33-3 in filter I on MJD 59463.300
59523.16 18.90± 0.06ABOpen a thumbnail image of M33-3 in filter V on MJD 59523.160
Open a thumbnail image of M33-3 in filter V on MJD 59523.160
 18.71± 0.05BOpen a thumnail image of M33-3 in filter B on MJD 59523.160
 17.49± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 59523.160
----
59525.16 18.98± 0.06ABOpen a thumbnail image of M33-3 in filter V on MJD 59525.160
Open a thumbnail image of M33-3 in filter V on MJD 59525.160
 18.65± 0.06BOpen a thumnail image of M33-3 in filter B on MJD 59525.160
----> 16.13-Open a thumnail image of M33-3 in filter I on MJD 59525.160
59546.16 18.86± 0.06ABOpen a thumbnail image of M33-3 in filter V on MJD 59546.160
Open a thumbnail image of M33-3 in filter V on MJD 59546.160
---- 17.54± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 59546.160
> 16.31-Open a thumnail image of M33-3 in filter I on MJD 59546.160
59551.14 19.02± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 59551.140
 18.76± 0.06ABOpen a thumnail image of M33-3 in filter B on MJD 59551.140
Open a thumnail image of M33-3 in filter B on MJD 59551.140
--------
59583.15 18.90± 0.07ABOpen a thumbnail image of M33-3 in filter V on MJD 59583.150
Open a thumbnail image of M33-3 in filter V on MJD 59583.150
---- 17.50± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 59583.150
> 16.04-Open a thumnail image of M33-3 in filter I on MJD 59583.150
59608.08 19.02± 0.09ABOpen a thumbnail image of M33-3 in filter V on MJD 59608.080
Open a thumbnail image of M33-3 in filter V on MJD 59608.080
---- 17.48± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 59608.080
> 15.58-Open a thumnail image of M33-3 in filter I on MJD 59608.080
59794.38 18.99± 0.07ABOpen a thumbnail image of M33-3 in filter V on MJD 59794.380
Open a thumbnail image of M33-3 in filter V on MJD 59794.380
 18.84± 0.07BOpen a thumnail image of M33-3 in filter B on MJD 59794.380
--------
59823.24 18.82± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 59823.240
 18.81± 0.07BOpen a thumnail image of M33-3 in filter B on MJD 59823.240
--------
59849.16>16.500-Open a thumbnail image of M33-3 in filter V on MJD 59849.160
---- 17.41± 0.06TBOpen a thumnail image of M33-3 in filter R on MJD 59849.160
----
59851.14 18.91± 0.09ABOpen a thumbnail image of M33-3 in filter V on MJD 59851.140
Open a thumbnail image of M33-3 in filter V on MJD 59851.140
---- 17.30± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 59851.140
> 15.69BOpen a thumnail image of M33-3 in filter I on MJD 59851.140
59854.23 19.25± 0.10TBAOpen a thumbnail image of M33-3 in filter V on MJD 59854.230
Open a thumbnail image of M33-3 in filter V on MJD 59854.230
> 17.04-Open a thumnail image of M33-3 in filter B on MJD 59854.230
Open a thumnail image of M33-3 in filter B on MJD 59854.230
--------
59879.13 18.91± 0.15BOpen a thumbnail image of M33-3 in filter V on MJD 59879.130
Open a thumbnail image of M33-3 in filter V on MJD 59879.130
 18.76± 0.08BOpen a thumnail image of M33-3 in filter B on MJD 59879.130
----> 15.94-Open a thumnail image of M33-3 in filter I on MJD 59879.130
Open a thumnail image of M33-3 in filter I on MJD 59879.130
59903.22 18.95± 0.05BOpen a thumbnail image of M33-3 in filter V on MJD 59903.220
 18.86± 0.06BOpen a thumnail image of M33-3 in filter B on MJD 59903.220
 17.50± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 59903.220
> 15.98-Open a thumnail image of M33-3 in filter I on MJD 59903.220
59904.12 19.01± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 59904.120
 18.85± 0.07BOpen a thumnail image of M33-3 in filter B on MJD 59904.120
Open a thumnail image of M33-3 in filter B on MJD 59904.120
 17.48± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 59904.120
Open a thumnail image of M33-3 in filter R on MJD 59904.120
> 16.35-Open a thumnail image of M33-3 in filter I on MJD 59904.120
Open a thumnail image of M33-3 in filter I on MJD 59904.120
59932.14 18.89± 0.07ABOpen a thumbnail image of M33-3 in filter V on MJD 59932.140
Open a thumbnail image of M33-3 in filter V on MJD 59932.140
---- 17.55± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 59932.140
 18.63± 0.12BOpen a thumnail image of M33-3 in filter I on MJD 59932.140
60172.38 18.89± 0.06ABOpen a thumbnail image of M33-3 in filter V on MJD 60172.380
Open a thumbnail image of M33-3 in filter V on MJD 60172.380
 18.75± 0.06BOpen a thumnail image of M33-3 in filter B on MJD 60172.380
 17.50± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 60172.380
----
60205.16 18.85± 0.08ABOpen a thumbnail image of M33-3 in filter V on MJD 60205.160
Open a thumbnail image of M33-3 in filter V on MJD 60205.160
 18.82± 0.07BOpen a thumnail image of M33-3 in filter B on MJD 60205.160
 17.51± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 60205.160
----
60227.13>16.550-Open a thumbnail image of M33-3 in filter V on MJD 60227.130
Open a thumbnail image of M33-3 in filter V on MJD 60227.130
--------> 15.50-Open a thumnail image of M33-3 in filter I on MJD 60227.130
Open a thumnail image of M33-3 in filter I on MJD 60227.130
60261.12 18.64± 0.05BOpen a thumbnail image of M33-3 in filter V on MJD 60261.120
---- 17.47± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 60261.120
----
60262.14 18.73± 0.06ABOpen a thumbnail image of M33-3 in filter V on MJD 60262.140
Open a thumbnail image of M33-3 in filter V on MJD 60262.140
 18.86± 0.06ABOpen a thumnail image of M33-3 in filter B on MJD 60262.140
Open a thumnail image of M33-3 in filter B on MJD 60262.140
 17.43± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 60262.140
Open a thumnail image of M33-3 in filter R on MJD 60262.140
> 16.39-Open a thumnail image of M33-3 in filter I on MJD 60262.140
60290.17 18.87± 0.06ABOpen a thumbnail image of M33-3 in filter V on MJD 60290.170
Open a thumbnail image of M33-3 in filter V on MJD 60290.170
 18.77± 0.06ABOpen a thumnail image of M33-3 in filter B on MJD 60290.170
Open a thumnail image of M33-3 in filter B on MJD 60290.170
----> 16.25BOpen a thumnail image of M33-3 in filter I on MJD 60290.170
Open a thumnail image of M33-3 in filter I on MJD 60290.170
60292.19 18.90± 0.06ABOpen a thumbnail image of M33-3 in filter V on MJD 60292.190
Open a thumbnail image of M33-3 in filter V on MJD 60292.190
---- 17.45± 0.06ABOpen a thumnail image of M33-3 in filter R on MJD 60292.190
Open a thumnail image of M33-3 in filter R on MJD 60292.190
----
60342.09 18.92± 0.06ABOpen a thumbnail image of M33-3 in filter V on MJD 60342.090
Open a thumbnail image of M33-3 in filter V on MJD 60342.090
 18.82± 0.05BOpen a thumnail image of M33-3 in filter B on MJD 60342.090
 17.51± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 60342.090
----
60504.38 19.00± 0.08BOpen a thumbnail image of M33-3 in filter V on MJD 60504.380
 18.84± 0.07BOpen a thumnail image of M33-3 in filter B on MJD 60504.380
 17.43± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 60504.380
----
60506.36 18.82± 0.08BOpen a thumbnail image of M33-3 in filter V on MJD 60506.360
 18.78± 0.08BOpen a thumnail image of M33-3 in filter B on MJD 60506.360
--------
60529.36 18.90± 0.07TBOpen a thumbnail image of M33-3 in filter V on MJD 60529.360
--------> 16.16-Open a thumnail image of M33-3 in filter I on MJD 60529.360
60533.38 18.96± 0.07BOpen a thumbnail image of M33-3 in filter V on MJD 60533.380
---- 17.42± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 60533.380
 18.62± 0.12BOpen a thumnail image of M33-3 in filter I on MJD 60533.380
60556.26 18.91± 0.06ABOpen a thumbnail image of M33-3 in filter V on MJD 60556.260
Open a thumbnail image of M33-3 in filter V on MJD 60556.260
 18.75± 0.06ABOpen a thumnail image of M33-3 in filter B on MJD 60556.260
Open a thumnail image of M33-3 in filter B on MJD 60556.260
 17.52± 0.05BOpen a thumnail image of M33-3 in filter R on MJD 60556.260
----
60594.11 18.79± 0.08BOpen a thumbnail image of M33-3 in filter V on MJD 60594.110
Open a thumbnail image of M33-3 in filter V on MJD 60594.110
---- 17.44± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 60594.110
> 15.76-Open a thumnail image of M33-3 in filter I on MJD 60594.110
Open a thumnail image of M33-3 in filter I on MJD 60594.110
60612.15 18.75± 0.06ABOpen a thumbnail image of M33-3 in filter V on MJD 60612.150
Open a thumbnail image of M33-3 in filter V on MJD 60612.150
 18.77± 0.05BOpen a thumnail image of M33-3 in filter B on MJD 60612.150
 17.38± 0.06BOpen a thumnail image of M33-3 in filter R on MJD 60612.150
----
60651.16 18.96± 0.07ABOpen a thumbnail image of M33-3 in filter V on MJD 60651.160
Open a thumbnail image of M33-3 in filter V on MJD 60651.160
 18.76± 0.07BOpen a thumnail image of M33-3 in filter B on MJD 60651.160
----> 16.20-Open a thumnail image of M33-3 in filter I on MJD 60651.160
Download table (txt) Key to Flags in Table Key For Images Plot/Graph Variability

Plots of Brightness and Color

Key for Plot Variability Photometry Table Target Notes

Open a plot of photometry for M33-3Open a plot of color for M33-3

Key for Plot Variability Photometry Table Target Notes

Variability

Plot/Graph Photometry Table Target Notes

From the data available in this survey, it is not possible to tell with certainty if this star is variable.

Correlation factors between bands

If the brightness variation is true variability then there should be a correlation between brightness changes recorded in different filter bands. The following table are the R-squared linear correlation factors calculated for the pairs of bands. The number in parentheses next to the R-squared value is the number of elements used to calculate the correlation factor. The number in square brackets next to the band is the range of magnitudes measured.

V [0.93 mag]B [0.37 mag]R [0.30 mag]
B [0.37 mag]0.04 (37)
R [0.30 mag]0.19 (39)0.16 (23)
I [0.00 mag]0.69 (6)-.-- (2) 0.72 (6)

Magnitude-Magnitude Plots

The plots below are provided to check the values in the table above and also to show any non-linear correlations

Opens a plot to assess correlation between bands for M33-3

Opens a plot to assess correlation between bands for M33-3

Plot/Graph Photometry Table Target Notes

I & R Statistics

Welch & Stetson (1993, AJ, 105, 1813) present a method for varible star detection in CCD images from automated surveys. Data from two bands are compared and two statistics are calculated: R and I.

The I-statistic has an expectation value of zero for stars that are NOT variable. A larger non-zero I-value indicates a higher likelihood that the star is variable. The R statistic indicates how the color of the star changes as the variable grows brighter with R = 1.0 being no change in color.

R and I values have only been calculated if there are more than four (4) matched measurements of brightness in each band.
V
(I|R)		B
(I|R)		R
(I|R)
B
(I|R)		0.12 | 1.13
R
(I|R)		0.71 | 1.441.85 | 0.04
I
(I|R)		1.49 | 0.64--- | --- 2.25 | 1.04

Back to catalog index

By John C. Martin, University of Illinois Springfield Henry R. Barber Research Observatory

Generated on 2026-01-19 14:34:50 UT-5