Color composite thumbnail image of M33-013358.05M33-013358.05 (J013358.05+304539.9)



Target Notes

Color composite thumbnail image of M33-013358.05

Classification: Warm-Hypergiant

No blend concerns.

Find In Simbad Query LGGS Massey (2016) at VizieR Query CAT WISE (Eisenhardt et al., 2020) at VizieR Query Gaia EDR3 (2020) 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
56140.38 16.35± 0.05AM33-013358.05 in filter V on MJD  56140.380
M33-013358.05 in filter V on MJD  56140.380
---- 16.00± 0.07AM33-013358.05 in filter R on MJD  56140.380
M33-013358.05 in filter R on MJD  56140.380
----
56593.16 16.37± 0.03-M33-013358.05 in filter V on MJD  56593.160
16.90± 0.02-M33-013358.05 in filter B on MJD  56593.160
--------
56599.18 16.40± 0.04AM33-013358.05 in filter V on MJD  56599.180
M33-013358.05 in filter V on MJD  56599.180
16.95± 0.05AM33-013358.05 in filter B on MJD  56599.180
M33-013358.05 in filter B on MJD  56599.180
16.03± 0.06AM33-013358.05 in filter R on MJD  56599.180
M33-013358.05 in filter R on MJD  56599.180
----
56976.18 16.38± 0.04AM33-013358.05 in filter V on MJD  56976.180
M33-013358.05 in filter V on MJD  56976.180
16.84± 0.05AM33-013358.05 in filter B on MJD  56976.180
M33-013358.05 in filter B on MJD  56976.180
15.99± 0.06AM33-013358.05 in filter R on MJD  56976.180
M33-013358.05 in filter R on MJD  56976.180
----
57038.13 16.52± 0.04-M33-013358.05 in filter V on MJD  57038.130
16.97± 0.05-M33-013358.05 in filter B on MJD  57038.130
16.16± 0.04-M33-013358.05 in filter R on MJD  57038.130
----
57310.13 16.43± 0.05-M33-013358.05 in filter V on MJD  57310.130
16.90± 0.07-M33-013358.05 in filter B on MJD  57310.130
16.10± 0.05-M33-013358.05 in filter R on MJD  57310.130
----
57335.18 16.48± 0.06-M33-013358.05 in filter V on MJD  57335.180
---- 16.13± 0.05-M33-013358.05 in filter R on MJD  57335.180
----
57401.10 16.47± 0.04-M33-013358.05 in filter V on MJD  57401.100
16.90± 0.05-M33-013358.05 in filter B on MJD  57401.100
--------
57406.10 16.52± 0.04-M33-013358.05 in filter V on MJD  57406.100
17.01± 0.04-M33-013358.05 in filter B on MJD  57406.100
16.18± 0.04-M33-013358.05 in filter R on MJD  57406.100
15.92± 0.07-M33-013358.05 in filter I on MJD  57406.100
57634.34 16.55± 0.05-M33-013358.05 in filter V on MJD  57634.340
16.91± 0.07-M33-013358.05 in filter B on MJD  57634.340
16.22± 0.05-M33-013358.05 in filter R on MJD  57634.340
15.91± 0.06-M33-013358.05 in filter I on MJD  57634.340
57638.35 16.71± 0.03-M33-013358.05 in filter V on MJD  57638.350
17.09± 0.06-M33-013358.05 in filter B on MJD  57638.350
16.37± 0.05-M33-013358.05 in filter R on MJD  57638.350
16.07± 0.07-M33-013358.05 in filter I on MJD  57638.350
57687.13 16.61± 0.05-M33-013358.05 in filter V on MJD  57687.130
17.03± 0.06-M33-013358.05 in filter B on MJD  57687.130
16.27± 0.05-M33-013358.05 in filter R on MJD  57687.130
15.96± 0.06-M33-013358.05 in filter I on MJD  57687.130
57964.37 16.61± 0.04-M33-013358.05 in filter V on MJD  57964.370
16.99± 0.06-M33-013358.05 in filter B on MJD  57964.370
16.27± 0.05-M33-013358.05 in filter R on MJD  57964.370
15.98± 0.06-M33-013358.05 in filter I on MJD  57964.370
57988.41 16.65± 0.05-M33-013358.05 in filter V on MJD  57988.410
17.08± 0.04-M33-013358.05 in filter B on MJD  57988.410
--------
58043.10 16.67± 0.04-M33-013358.05 in filter V on MJD  58043.100
---- 16.31± 0.04-M33-013358.05 in filter R on MJD  58043.100
15.98± 0.07-M33-013358.05 in filter I on MJD  58043.100
58045.15 16.69± 0.05-M33-013358.05 in filter V on MJD  58045.150
17.10± 0.07-M33-013358.05 in filter B on MJD  58045.150
16.35± 0.04-M33-013358.05 in filter R on MJD  58045.150
----
58073.18 16.71± 0.03-M33-013358.05 in filter V on MJD  58073.180
17.09± 0.06-M33-013358.05 in filter B on MJD  58073.180
--------
58103.16 16.70± 0.04AM33-013358.05 in filter V on MJD  58103.160
M33-013358.05 in filter V on MJD  58103.160
17.08± 0.04-M33-013358.05 in filter B on MJD  58103.160
---- 16.11± 0.06-M33-013358.05 in filter I on MJD  58103.160
58108.14 16.67± 0.05-M33-013358.05 in filter V on MJD  58108.140
17.06± 0.06-M33-013358.05 in filter B on MJD  58108.140
---- 16.00± 0.08-M33-013358.05 in filter I on MJD  58108.140
58316.38 16.71± 0.03-M33-013358.05 in filter V on MJD  58316.380
17.12± 0.05-M33-013358.05 in filter B on MJD  58316.380
16.37± 0.03-M33-013358.05 in filter R on MJD  58316.380
16.08± 0.04-M33-013358.05 in filter I on MJD  58316.380
58317.39 16.72± 0.04-M33-013358.05 in filter V on MJD  58317.390
---- 16.42± 0.07-M33-013358.05 in filter R on MJD  58317.390
M33-013358.05 in filter R on MJD  58317.390
----
58341.40 16.71± 0.05-M33-013358.05 in filter V on MJD  58341.400
17.09± 0.08-M33-013358.05 in filter B on MJD  58341.400
16.39± 0.07-M33-013358.05 in filter R on MJD  58341.400
16.05± 0.10-M33-013358.05 in filter I on MJD  58341.400
58342.36 16.70± 0.03-M33-013358.05 in filter V on MJD  58342.360
17.11± 0.06-M33-013358.05 in filter B on MJD  58342.360
M33-013358.05 in filter B on MJD  58342.360
16.37± 0.03-M33-013358.05 in filter R on MJD  58342.360
M33-013358.05 in filter R on MJD  58342.360
16.09± 0.04-M33-013358.05 in filter I on MJD  58342.360
M33-013358.05 in filter I on MJD  58342.360
58403.15 16.62± 0.04-M33-013358.05 in filter V on MJD  58403.150
-------- 16.05± 0.09-M33-013358.05 in filter I on MJD  58403.150
58420.06 16.71± 0.04-M33-013358.05 in filter V on MJD  58420.060
17.10± 0.06-M33-013358.05 in filter B on MJD  58420.060
16.39± 0.04-M33-013358.05 in filter R on MJD  58420.060
16.09± 0.06-M33-013358.05 in filter I on MJD  58420.060
58433.00 16.72± 0.05-M33-013358.05 in filter V on MJD  58433.000
---- 16.36± 0.05-M33-013358.05 in filter R on MJD  58433.000
16.05± 0.06-M33-013358.05 in filter I on MJD  58433.000
58696.39 16.74± 0.04-M33-013358.05 in filter V on MJD  58696.390
17.09± 0.06-M33-013358.05 in filter B on MJD  58696.390
16.42± 0.04-M33-013358.05 in filter R on MJD  58696.390
----
58779.15 16.62± 0.04-M33-013358.05 in filter V on MJD  58779.150
---- 16.31± 0.05-M33-013358.05 in filter R on MJD  58779.150
16.03± 0.07-M33-013358.05 in filter I on MJD  58779.150
58812.22 16.78± 0.04-M33-013358.05 in filter V on MJD  58812.220
-------- 16.18± 0.05-M33-013358.05 in filter I on MJD  58812.220
58902.06 16.80± 0.03AM33-013358.05 in filter V on MJD  58902.060
M33-013358.05 in filter V on MJD  58902.060
---- 16.45± 0.04-M33-013358.05 in filter R on MJD  58902.060
16.24± 0.07-M33-013358.05 in filter I on MJD  58902.060
59056.38 16.87± 0.04-M33-013358.05 in filter V on MJD  59056.380
17.21± 0.06-M33-013358.05 in filter B on MJD  59056.380
16.44± 0.05-M33-013358.05 in filter R on MJD  59056.380
16.22± 0.07-M33-013358.05 in filter I on MJD  59056.380
59081.33 16.81± 0.03-M33-013358.05 in filter V on MJD  59081.330
17.17± 0.06-M33-013358.05 in filter B on MJD  59081.330
16.47± 0.03-M33-013358.05 in filter R on MJD  59081.330
----
59082.34 16.81± 0.03AM33-013358.05 in filter V on MJD  59082.340
M33-013358.05 in filter V on MJD  59082.340
17.19± 0.05AM33-013358.05 in filter B on MJD  59082.340
M33-013358.05 in filter B on MJD  59082.340
M33-013358.05 in filter B on MJD  59082.340
16.48± 0.05AM33-013358.05 in filter R on MJD  59082.340
M33-013358.05 in filter R on MJD  59082.340
M33-013358.05 in filter R on MJD  59082.340
----
59084.29-------- 16.43± 0.05TM33-013358.05 in filter R on MJD  59084.290
----
59161.09 16.88± 0.04AM33-013358.05 in filter V on MJD  59161.090
M33-013358.05 in filter V on MJD  59161.090
17.29± 0.05AM33-013358.05 in filter B on MJD  59161.090
M33-013358.05 in filter B on MJD  59161.090
16.54± 0.04AM33-013358.05 in filter R on MJD  59161.090
M33-013358.05 in filter R on MJD  59161.090
----
59171.09 16.85± 0.04AM33-013358.05 in filter V on MJD  59171.090
M33-013358.05 in filter V on MJD  59171.090
M33-013358.05 in filter V on MJD  59171.090
17.41± 0.15AM33-013358.05 in filter B on MJD  59171.090
M33-013358.05 in filter B on MJD  59171.090
16.46± 0.05-M33-013358.05 in filter R on MJD  59171.090
16.24± 0.07AM33-013358.05 in filter I on MJD  59171.090
M33-013358.05 in filter I on MJD  59171.090
M33-013358.05 in filter I on MJD  59171.090
59227.08 16.85± 0.03AM33-013358.05 in filter V on MJD  59227.080
M33-013358.05 in filter V on MJD  59227.080
M33-013358.05 in filter V on MJD  59227.080
17.25± 0.04AM33-013358.05 in filter B on MJD  59227.080
M33-013358.05 in filter B on MJD  59227.080
M33-013358.05 in filter B on MJD  59227.080
16.53± 0.05AM33-013358.05 in filter R on MJD  59227.080
M33-013358.05 in filter R on MJD  59227.080
----
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 M33-013358.05Plot of color for M33-013358.05

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 [0.56 mag]B [0.53 mag]R [0.56 mag]
B [0.56 mag]0.86 (27)
R [0.56 mag]0.97 (28)0.79 (21)
I [0.32 mag]0.87 (19)0.81 (13)0.89 (15)

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 M33-013358.05

Plot to assess correlation between bands for M33-013358.05

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)
9.50 | 0.62
R
(I|R)
11.37 | 1.145.01 | 0.11
I
(I|R)
3.02 | 1.411.98 | 0.872.64 | 1.23

Back to catalog index


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

Generated on 2021-11-06 16:53:54 UT-5