Color composite thumbnail image of M33C-14120M33C-14120 (J013420.65+303942.6)



Target Notes

Color composite thumbnail image of M33C-14120

Classification: YSG

No blend concerns.

Find In Simbad Query LGGS Massey (2016) at VizieR Query CAT WISE (Eisenhardt et al., 2020) at VizieR Query Gaia DR3 (2022) at VizieR LBT Spectra @UMN
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
56140.37 18.11± 0.06-M33C-14120 in filter V on MJD  56140.370
---- 17.83± 0.18-M33C-14120 in filter R on MJD  56140.370
----
56599.17 18.15± 0.06-M33C-14120 in filter V on MJD  56599.170
18.17± 0.07-M33C-14120 in filter B on MJD  56599.170
18.06± 0.06-M33C-14120 in filter R on MJD  56599.170
----
56976.16 18.06± 0.05-M33C-14120 in filter V on MJD  56976.160
18.24± 0.06-M33C-14120 in filter B on MJD  56976.160
17.96± 0.06-M33C-14120 in filter R on MJD  56976.160
----
57038.13 18.16± 0.05-M33C-14120 in filter V on MJD  57038.130
18.15± 0.06-M33C-14120 in filter B on MJD  57038.130
18.02± 0.05-M33C-14120 in filter R on MJD  57038.130
----
57310.13 18.40± 0.08-M33C-14120 in filter V on MJD  57310.130
18.42± 0.09-M33C-14120 in filter B on MJD  57310.130
18.33± 0.06-M33C-14120 in filter R on MJD  57310.130
----
57335.18 18.04± 0.06-M33C-14120 in filter V on MJD  57335.180
---- 17.89± 0.05-M33C-14120 in filter R on MJD  57335.180
----
57401.10 18.12± 0.05-M33C-14120 in filter V on MJD  57401.100
18.15± 0.06-M33C-14120 in filter B on MJD  57401.100
--------
57634.34 18.31± 0.05-M33C-14120 in filter V on MJD  57634.340
18.36± 0.08-M33C-14120 in filter B on MJD  57634.340
18.20± 0.06-M33C-14120 in filter R on MJD  57634.340
18.26± 0.09-M33C-14120 in filter I on MJD  57634.340
57687.13 18.11± 0.05-M33C-14120 in filter V on MJD  57687.130
18.23± 0.07-M33C-14120 in filter B on MJD  57687.130
18.09± 0.05-M33C-14120 in filter R on MJD  57687.130
18.44± 0.10-M33C-14120 in filter I on MJD  57687.130
57964.35 18.22± 0.05AM33C-14120 in filter V on MJD  57964.350
M33C-14120 in filter V on MJD  57964.350
18.22± 0.07AM33C-14120 in filter B on MJD  57964.350
M33C-14120 in filter B on MJD  57964.350
18.07± 0.06AM33C-14120 in filter R on MJD  57964.350
M33C-14120 in filter R on MJD  57964.350
18.22± 0.09AM33C-14120 in filter I on MJD  57964.350
M33C-14120 in filter I on MJD  57964.350
58043.10 18.18± 0.05-M33C-14120 in filter V on MJD  58043.100
---- 17.96± 0.05-M33C-14120 in filter R on MJD  58043.100
18.08± 0.10-M33C-14120 in filter I on MJD  58043.100
58045.16 18.04± 0.05AM33C-14120 in filter V on MJD  58045.160
M33C-14120 in filter V on MJD  58045.160
18.07± 0.07AM33C-14120 in filter B on MJD  58045.160
M33C-14120 in filter B on MJD  58045.160
17.91± 0.06AM33C-14120 in filter R on MJD  58045.160
M33C-14120 in filter R on MJD  58045.160
----
58073.19 18.22± 0.05AM33C-14120 in filter V on MJD  58073.190
M33C-14120 in filter V on MJD  58073.190
18.24± 0.07AM33C-14120 in filter B on MJD  58073.190
M33C-14120 in filter B on MJD  58073.190
--------
58103.16 18.10± 0.05AM33C-14120 in filter V on MJD  58103.160
M33C-14120 in filter V on MJD  58103.160
-------- 17.70± 0.08-M33C-14120 in filter I on MJD  58103.160
58108.11 18.08± 0.06-M33C-14120 in filter V on MJD  58108.110
18.13± 0.08-M33C-14120 in filter B on MJD  58108.110
---- 18.28± 0.23-M33C-14120 in filter I on MJD  58108.110
58312.39 18.00± 0.05-M33C-14120 in filter V on MJD  58312.390
18.06± 0.10-M33C-14120 in filter B on MJD  58312.390
--------
58316.38 17.95± 0.04-M33C-14120 in filter V on MJD  58316.380
18.02± 0.06-M33C-14120 in filter B on MJD  58316.380
17.88± 0.04-M33C-14120 in filter R on MJD  58316.380
17.97± 0.07-M33C-14120 in filter I on MJD  58316.380
58317.37 17.96± 0.05-M33C-14120 in filter V on MJD  58317.370
18.03± 0.07-M33C-14120 in filter B on MJD  58317.370
M33C-14120 in filter B on MJD  58317.370
17.90± 0.05-M33C-14120 in filter R on MJD  58317.370
M33C-14120 in filter R on MJD  58317.370
----
58341.34 18.11± 0.07-M33C-14120 in filter V on MJD  58341.340
-------- 17.84± 0.07-M33C-14120 in filter I on MJD  58341.340
58342.38 18.12± 0.06AM33C-14120 in filter V on MJD  58342.380
M33C-14120 in filter V on MJD  58342.380
18.15± 0.09AM33C-14120 in filter B on MJD  58342.380
M33C-14120 in filter B on MJD  58342.380
18.02± 0.06AM33C-14120 in filter R on MJD  58342.380
M33C-14120 in filter R on MJD  58342.380
18.09± 0.09-M33C-14120 in filter I on MJD  58342.380
M33C-14120 in filter I on MJD  58342.380
58375.14 18.07± 0.05-M33C-14120 in filter V on MJD  58375.140
---- 18.00± 0.06-M33C-14120 in filter R on MJD  58375.140
----
58420.08 18.00± 0.05AM33C-14120 in filter V on MJD  58420.080
M33C-14120 in filter V on MJD  58420.080
18.04± 0.07AM33C-14120 in filter B on MJD  58420.080
M33C-14120 in filter B on MJD  58420.080
17.98± 0.05-M33C-14120 in filter R on MJD  58420.080
17.59± 0.09AM33C-14120 in filter I on MJD  58420.080
M33C-14120 in filter I on MJD  58420.080
58433.00 18.05± 0.07-M33C-14120 in filter V on MJD  58433.000
---- 18.09± 0.06-M33C-14120 in filter R on MJD  58433.000
17.94± 0.10-M33C-14120 in filter I on MJD  58433.000
58672.39 18.05± 0.09-M33C-14120 in filter V on MJD  58672.390
---- 17.95± 0.06-M33C-14120 in filter R on MJD  58672.390
18.04± 0.24-M33C-14120 in filter I on MJD  58672.390
58695.36 18.01± 0.05-M33C-14120 in filter V on MJD  58695.360
18.03± 0.06-M33C-14120 in filter B on MJD  58695.360
17.90± 0.04-M33C-14120 in filter R on MJD  58695.360
----
58784.12 18.07± 0.06-M33C-14120 in filter V on MJD  58784.120
18.11± 0.06-M33C-14120 in filter B on MJD  58784.120
--------
58812.22 18.35± 0.05-M33C-14120 in filter V on MJD  58812.220
-------- 18.39± 0.08-M33C-14120 in filter I on MJD  58812.220
58902.07 17.98± 0.04-M33C-14120 in filter V on MJD  58902.070
---- 17.90± 0.05-M33C-14120 in filter R on MJD  58902.070
----
59059.38 18.03± 0.05-M33C-14120 in filter V on MJD  59059.380
18.01± 0.06-M33C-14120 in filter B on MJD  59059.380
--------
59081.30 18.15± 0.05AM33C-14120 in filter V on MJD  59081.300
M33C-14120 in filter V on MJD  59081.300
18.18± 0.06-M33C-14120 in filter B on MJD  59081.300
18.07± 0.04AM33C-14120 in filter R on MJD  59081.300
M33C-14120 in filter R on MJD  59081.300
----
59084.34-------- 18.09± 0.04TM33C-14120 in filter R on MJD  59084.340
----
59161.07 18.14± 0.06-M33C-14120 in filter V on MJD  59161.070
18.20± 0.07-M33C-14120 in filter B on MJD  59161.070
18.05± 0.05-M33C-14120 in filter R on MJD  59161.070
----
59171.09 17.95± 0.05-M33C-14120 in filter V on MJD  59171.090
-------- 18.16± 0.09-M33C-14120 in filter I on MJD  59171.090
59227.08 17.98± 0.04-M33C-14120 in filter V on MJD  59227.080
18.10± 0.04-M33C-14120 in filter B on MJD  59227.080
17.89± 0.04-M33C-14120 in filter R on MJD  59227.080
----
59415.36 18.24± 0.07-M33C-14120 in filter V on MJD  59415.360
---- 18.08± 0.06-M33C-14120 in filter R on MJD  59415.360
----
59441.39 17.94± 0.05-M33C-14120 in filter V on MJD  59441.390
17.96± 0.06-M33C-14120 in filter B on MJD  59441.390
--------
59463.30 18.24± 0.08AM33C-14120 in filter V on MJD  59463.300
M33C-14120 in filter V on MJD  59463.300
-------- 18.21± 0.07-M33C-14120 in filter I on MJD  59463.300
59523.15 18.19± 0.04-M33C-14120 in filter V on MJD  59523.150
---- 18.08± 0.04-M33C-14120 in filter R on MJD  59523.150
----
59525.14 18.21± 0.04AM33C-14120 in filter V on MJD  59525.140
M33C-14120 in filter V on MJD  59525.140
18.22± 0.05-M33C-14120 in filter B on MJD  59525.140
18.06± 0.06-M33C-14120 in filter R on MJD  59525.140
----
59546.15 18.00± 0.04-M33C-14120 in filter V on MJD  59546.150
-------- 17.99± 0.06-M33C-14120 in filter I on MJD  59546.150
59551.11 17.94± 0.05-M33C-14120 in filter V on MJD  59551.110
18.07± 0.06-M33C-14120 in filter B on MJD  59551.110
--------
59583.15 18.20± 0.04-M33C-14120 in filter V on MJD  59583.150
---- 18.08± 0.05-M33C-14120 in filter R on MJD  59583.150
----
59608.07 18.08± 0.05-M33C-14120 in filter V on MJD  59608.070
-------- 18.00± 0.09-M33C-14120 in filter I on MJD  59608.070
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

Plot of photometry for M33C-14120Plot of color for M33C-14120

Key for Plot Variability Photometry Table Target Notes


Variability

Plot/Graph Photometry Table Target Notes

It is very likely that 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 [0.46 mag]B [0.46 mag]R [0.50 mag]
B [0.46 mag]0.85 (25)
R [0.50 mag]0.71 (27)0.83 (17)
I [0.85 mag]0.30 (17)0.48 (7)0.26 (9)

Magnitude-Magnitude Plots

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

Plot to assess correlation between bands for M33C-14120

Plot to assess correlation between bands for M33C-14120

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)
3.09 | 0.72
R
(I|R)
3.56 | 1.103.27 | 0.41
I
(I|R)
3.43 | 0.863.62 | 0.582.42 | 0.80

Back to catalog index


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

Generated on 2023-08-14 14:15:12 UT-5