Color composite thumbnail image of V-120805V-120805 (J013411.58+303617.4)



Target Notes

Color composite thumbnail image of V-120805

Classification: -

Not resolved clearly from J013411.48+303615.0 about 1 magnitude fainter 2.7 arcseconds SW. Also a blend of three separate stars combined to about 1 magnitude fainter 3 arcseconds to the south. Big red clump to the SW could be a partly obscured star cluster.

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
56140.37 17.84± 0.06BV-120805 in filter V on MJD  56140.370
---- 17.56± 0.15BV-120805 in filter R on MJD  56140.370
----
56599.17 17.64± 0.06BV-120805 in filter V on MJD  56599.170
17.74± 0.07BV-120805 in filter B on MJD  56599.170
17.41± 0.06BV-120805 in filter R on MJD  56599.170
----
56976.16 17.64± 0.05BV-120805 in filter V on MJD  56976.160
17.74± 0.06BV-120805 in filter B on MJD  56976.160
17.37± 0.06BV-120805 in filter R on MJD  56976.160
----
57038.13 17.80± 0.06BV-120805 in filter V on MJD  57038.130
17.68± 0.06BV-120805 in filter B on MJD  57038.130
17.49± 0.06BV-120805 in filter R on MJD  57038.130
----
57310.13 17.53± 0.06BV-120805 in filter V on MJD  57310.130
17.62± 0.07BV-120805 in filter B on MJD  57310.130
17.34± 0.05BV-120805 in filter R on MJD  57310.130
----
57335.18 17.68± 0.06BV-120805 in filter V on MJD  57335.180
---- 17.36± 0.06-V-120805 in filter R on MJD  57335.180
----
57401.10 17.72± 0.05BV-120805 in filter V on MJD  57401.100
17.69± 0.06BV-120805 in filter B on MJD  57401.100
--------
57406.10 17.73± 0.07BV-120805 in filter V on MJD  57406.100
17.74± 0.07BV-120805 in filter B on MJD  57406.100
17.39± 0.07BV-120805 in filter R on MJD  57406.100
17.39± 0.10BV-120805 in filter I on MJD  57406.100
57634.37 17.80± 0.06ABV-120805 in filter V on MJD  57634.370
V-120805 in filter V on MJD  57634.370
V-120805 in filter V on MJD  57634.370
17.70± 0.07ABV-120805 in filter B on MJD  57634.370
V-120805 in filter B on MJD  57634.370
V-120805 in filter B on MJD  57634.370
17.43± 0.07ABV-120805 in filter R on MJD  57634.370
V-120805 in filter R on MJD  57634.370
17.56± 0.07BV-120805 in filter I on MJD  57634.370
57638.43 17.85± 0.07BV-120805 in filter V on MJD  57638.430
-------- 17.65± 0.11BV-120805 in filter I on MJD  57638.430
57687.13 17.69± 0.05BV-120805 in filter V on MJD  57687.130
17.67± 0.06BV-120805 in filter B on MJD  57687.130
17.45± 0.05BV-120805 in filter R on MJD  57687.130
17.36± 0.07BV-120805 in filter I on MJD  57687.130
57964.35 17.80± 0.05ABV-120805 in filter V on MJD  57964.350
V-120805 in filter V on MJD  57964.350
17.73± 0.07ABV-120805 in filter B on MJD  57964.350
V-120805 in filter B on MJD  57964.350
17.49± 0.06ABV-120805 in filter R on MJD  57964.350
V-120805 in filter R on MJD  57964.350
17.62± 0.07ABV-120805 in filter I on MJD  57964.350
V-120805 in filter I on MJD  57964.350
58045.16 17.62± 0.05ABV-120805 in filter V on MJD  58045.160
V-120805 in filter V on MJD  58045.160
17.60± 0.07ABV-120805 in filter B on MJD  58045.160
V-120805 in filter B on MJD  58045.160
17.45± 0.06ABV-120805 in filter R on MJD  58045.160
V-120805 in filter R on MJD  58045.160
----
58073.19 17.65± 0.05ABV-120805 in filter V on MJD  58073.190
V-120805 in filter V on MJD  58073.190
17.63± 0.07ABV-120805 in filter B on MJD  58073.190
V-120805 in filter B on MJD  58073.190
--------
58103.16 17.77± 0.05ABV-120805 in filter V on MJD  58103.160
V-120805 in filter V on MJD  58103.160
-------- 17.57± 0.09BV-120805 in filter I on MJD  58103.160
58108.11 17.77± 0.06BV-120805 in filter V on MJD  58108.110
17.71± 0.09BV-120805 in filter B on MJD  58108.110
---- 17.80± 0.16BV-120805 in filter I on MJD  58108.110
58312.39 17.86± 0.06BV-120805 in filter V on MJD  58312.390
17.74± 0.09BV-120805 in filter B on MJD  58312.390
--------
58316.38 17.75± 0.04BV-120805 in filter V on MJD  58316.380
17.70± 0.06BV-120805 in filter B on MJD  58316.380
17.47± 0.05BV-120805 in filter R on MJD  58316.380
17.39± 0.06BV-120805 in filter I on MJD  58316.380
58317.37 17.82± 0.05BV-120805 in filter V on MJD  58317.370
17.76± 0.07BV-120805 in filter B on MJD  58317.370
V-120805 in filter B on MJD  58317.370
17.53± 0.06BV-120805 in filter R on MJD  58317.370
V-120805 in filter R on MJD  58317.370
----
58341.34 17.81± 0.07BV-120805 in filter V on MJD  58341.340
-------- 17.70± 0.09BV-120805 in filter I on MJD  58341.340
58342.38 17.77± 0.06ABV-120805 in filter V on MJD  58342.380
V-120805 in filter V on MJD  58342.380
17.75± 0.07ABV-120805 in filter B on MJD  58342.380
V-120805 in filter B on MJD  58342.380
17.54± 0.06ABV-120805 in filter R on MJD  58342.380
V-120805 in filter R on MJD  58342.380
17.64± 0.09BV-120805 in filter I on MJD  58342.380
V-120805 in filter I on MJD  58342.380
58375.14 17.66± 0.06BV-120805 in filter V on MJD  58375.140
---- 17.43± 0.06BV-120805 in filter R on MJD  58375.140
----
58420.08 17.67± 0.05ABV-120805 in filter V on MJD  58420.080
V-120805 in filter V on MJD  58420.080
17.65± 0.07ABV-120805 in filter B on MJD  58420.080
V-120805 in filter B on MJD  58420.080
17.34± 0.05BV-120805 in filter R on MJD  58420.080
17.33± 0.08ABV-120805 in filter I on MJD  58420.080
V-120805 in filter I on MJD  58420.080
58433.00 17.72± 0.06BV-120805 in filter V on MJD  58433.000
---- 17.45± 0.06BV-120805 in filter R on MJD  58433.000
17.66± 0.09BV-120805 in filter I on MJD  58433.000
58672.39 17.68± 0.08BV-120805 in filter V on MJD  58672.390
---- 17.43± 0.07BV-120805 in filter R on MJD  58672.390
> 14.68BV-120805 in filter I on MJD  58672.390
58695.36 17.73± 0.06BV-120805 in filter V on MJD  58695.360
17.76± 0.06BV-120805 in filter B on MJD  58695.360
17.56± 0.07BV-120805 in filter R on MJD  58695.360
----
58784.12 17.76± 0.07BV-120805 in filter V on MJD  58784.120
17.82± 0.07BV-120805 in filter B on MJD  58784.120
--------
58812.22 17.69± 0.05BV-120805 in filter V on MJD  58812.220
-------- 17.47± 0.06BV-120805 in filter I on MJD  58812.220
58902.07 17.72± 0.06BV-120805 in filter V on MJD  58902.070
---- 17.49± 0.06BV-120805 in filter R on MJD  58902.070
----
59059.38 17.81± 0.06BV-120805 in filter V on MJD  59059.380
17.74± 0.07BV-120805 in filter B on MJD  59059.380
--------
59081.26 17.72± 0.06BV-120805 in filter V on MJD  59081.260
---- 17.49± 0.07BV-120805 in filter R on MJD  59081.260
----
59084.34-------- 17.56± 0.07TBV-120805 in filter R on MJD  59084.340
----
59161.07 17.69± 0.06BV-120805 in filter V on MJD  59161.070
17.73± 0.07BV-120805 in filter B on MJD  59161.070
17.54± 0.06BV-120805 in filter R on MJD  59161.070
----
59171.09 17.74± 0.06BV-120805 in filter V on MJD  59171.090
-------- 17.49± 0.07BV-120805 in filter I on MJD  59171.090
59227.08 17.85± 0.06BV-120805 in filter V on MJD  59227.080
17.82± 0.06BV-120805 in filter B on MJD  59227.080
17.57± 0.07BV-120805 in filter R on MJD  59227.080
----
59415.36 17.85± 0.07BV-120805 in filter V on MJD  59415.360
---- 17.68± 0.07BV-120805 in filter R on MJD  59415.360
----
59441.39 17.86± 0.07BV-120805 in filter V on MJD  59441.390
17.78± 0.07BV-120805 in filter B on MJD  59441.390
--------
59463.30 17.76± 0.06ABV-120805 in filter V on MJD  59463.300
V-120805 in filter V on MJD  59463.300
-------- 17.76± 0.07BV-120805 in filter I on MJD  59463.300
59523.15 17.79± 0.05BV-120805 in filter V on MJD  59523.150
---- 17.56± 0.07BV-120805 in filter R on MJD  59523.150
----
59525.15 17.77± 0.05BV-120805 in filter V on MJD  59525.150
17.68± 0.06BV-120805 in filter B on MJD  59525.150
--------
59546.15 17.79± 0.06BV-120805 in filter V on MJD  59546.150
-------- 17.70± 0.07BV-120805 in filter I on MJD  59546.150
59551.11 17.57± 0.05BV-120805 in filter V on MJD  59551.110
17.57± 0.06BV-120805 in filter B on MJD  59551.110
--------
59583.15 17.81± 0.06BV-120805 in filter V on MJD  59583.150
---- 17.58± 0.07BV-120805 in filter R on MJD  59583.150
----
59608.07 17.65± 0.05BV-120805 in filter V on MJD  59608.070
-------- 17.46± 0.07BV-120805 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 V-120805Plot of color for V-120805

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 [0.26 mag]B [0.33 mag]R [0.34 mag]
B [0.26 mag]0.47 (25)
R [0.34 mag]0.58 (26)0.32 (16)
I [0.47 mag]0.45 (17)0.25 (8)0.43 (8)

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 V-120805

Plot to assess correlation between bands for V-120805

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)
1.04 | 0.58
R
(I|R)
1.35 | 1.110.93 | 0.16
I
(I|R)
1.15 | 0.520.51 | 0.250.97 | 0.46

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