Color composite thumbnail image of M31-004433.58M31-004433.58 (J004433.57+415247.8)



Target Notes

Color composite thumbnail image of M31-004433.58

Classification: OB-Supergiant

Unresolved from LGGS star J004433.53+415247.8 of comparable brightness. Two additional LGGS stars >3 magnitudes fainter within 3 arcseconds.

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 Kaluzny et al. (1998) M31 Survey at VizieR
Query POINT-AGAPE An et al. (2004) M31 Survey at VizieR


Photometry Table

Download table (txt) Key to Flags in Table Key For Images Plot/Graph Variability
MJDV*ImageB*ImageR*ImagesI*Images
56142.35 17.79± 0.07TBM31-004433.58 in filter V on MJD  56142.350
------------
56267.17-------- 17.31± 0.04TBM31-004433.58 in filter R on MJD  56267.170
----
56537.22 17.83± 0.04BM31-004433.58 in filter V on MJD  56537.220
18.30± 0.04BM31-004433.58 in filter B on MJD  56537.220
17.32± 0.04BM31-004433.58 in filter R on MJD  56537.220
----
56593.09 17.75± 0.04ABM31-004433.58 in filter V on MJD  56593.090
M31-004433.58 in filter V on MJD  56593.090
---- 17.27± 0.04ABM31-004433.58 in filter R on MJD  56593.090
M31-004433.58 in filter R on MJD  56593.090
----
56951.07 17.76± 0.06BM31-004433.58 in filter V on MJD  56951.070
18.21± 0.04BM31-004433.58 in filter B on MJD  56951.070
17.23± 0.06BM31-004433.58 in filter R on MJD  56951.070
----
56982.20 17.78± 0.06BM31-004433.58 in filter V on MJD  56982.200
18.19± 0.05BM31-004433.58 in filter B on MJD  56982.200
--------
57036.13 17.66± 0.06BM31-004433.58 in filter V on MJD  57036.130
18.03± 0.06BM31-004433.58 in filter B on MJD  57036.130
--------
57282.18 17.79± 0.04BM31-004433.58 in filter V on MJD  57282.180
18.32± 0.05BM31-004433.58 in filter B on MJD  57282.180
17.22± 0.04BM31-004433.58 in filter R on MJD  57282.180
----
57309.14 17.79± 0.06BM31-004433.58 in filter V on MJD  57309.140
18.21± 0.04BM31-004433.58 in filter B on MJD  57309.140
17.19± 0.06BM31-004433.58 in filter R on MJD  57309.140
----
57314.14 17.73± 0.03BM31-004433.58 in filter V on MJD  57314.140
-------- 16.92± 0.05BM31-004433.58 in filter I on MJD  57314.140
57340.21 17.76± 0.04BM31-004433.58 in filter V on MJD  57340.210
-------- 17.11± 0.07BM31-004433.58 in filter I on MJD  57340.210
57635.41 17.73± 0.07BM31-004433.58 in filter V on MJD  57635.410
18.24± 0.08BM31-004433.58 in filter B on MJD  57635.410
17.24± 0.07BM31-004433.58 in filter R on MJD  57635.410
17.04± 0.07BM31-004433.58 in filter I on MJD  57635.410
57958.32 17.77± 0.07BM31-004433.58 in filter V on MJD  57958.320
18.15± 0.08BM31-004433.58 in filter B on MJD  57958.320
---- 17.06± 0.07BM31-004433.58 in filter I on MJD  57958.320
57963.28 17.68± 0.06BM31-004433.58 in filter V on MJD  57963.280
18.16± 0.06BM31-004433.58 in filter B on MJD  57963.280
17.18± 0.06BM31-004433.58 in filter R on MJD  57963.280
----
58045.07 17.78± 0.05BM31-004433.58 in filter V on MJD  58045.070
18.29± 0.06BM31-004433.58 in filter B on MJD  58045.070
17.31± 0.06BM31-004433.58 in filter R on MJD  58045.070
----
58067.12 17.77± 0.05BM31-004433.58 in filter V on MJD  58067.120
-------- 17.10± 0.07BM31-004433.58 in filter I on MJD  58067.120
58098.12 17.75± 0.07BM31-004433.58 in filter V on MJD  58098.120
18.20± 0.06BM31-004433.58 in filter B on MJD  58098.120
--------
58312.32 17.73± 0.05BM31-004433.58 in filter V on MJD  58312.320
18.18± 0.05BM31-004433.58 in filter B on MJD  58312.320
17.26± 0.06BM31-004433.58 in filter R on MJD  58312.320
----
58316.28 17.71± 0.04BM31-004433.58 in filter V on MJD  58316.280
-------- 17.09± 0.06BM31-004433.58 in filter I on MJD  58316.280
58341.25 17.73± 0.06BM31-004433.58 in filter V on MJD  58341.250
18.16± 0.07BM31-004433.58 in filter B on MJD  58341.250
--------
58366.14 17.73± 0.04BM31-004433.58 in filter V on MJD  58366.140
18.20± 0.04BM31-004433.58 in filter B on MJD  58366.140
--------
58372.12 17.74± 0.05BM31-004433.58 in filter V on MJD  58372.120
-------- 17.06± 0.07BM31-004433.58 in filter I on MJD  58372.120
58403.12 17.74± 0.05BM31-004433.58 in filter V on MJD  58403.120
---- 17.19± 0.06BM31-004433.58 in filter R on MJD  58403.120
----
58420.03 17.74± 0.05BM31-004433.58 in filter V on MJD  58420.030
18.20± 0.05BM31-004433.58 in filter B on MJD  58420.030
--------
58436.02 17.81± 0.05BM31-004433.58 in filter V on MJD  58436.020
18.17± 0.04BM31-004433.58 in filter B on MJD  58436.020
17.22± 0.06BM31-004433.58 in filter R on MJD  58436.020
----
58671.30 17.80± 0.04BM31-004433.58 in filter V on MJD  58671.300
18.30± 0.05BM31-004433.58 in filter B on MJD  58671.300
--------
58672.32 17.78± 0.05BM31-004433.58 in filter V on MJD  58672.320
---- 17.26± 0.05BM31-004433.58 in filter R on MJD  58672.320
17.11± 0.07BM31-004433.58 in filter I on MJD  58672.320
58695.30 17.71± 0.05ABM31-004433.58 in filter V on MJD  58695.300
M31-004433.58 in filter V on MJD  58695.300
18.12± 0.05BM31-004433.58 in filter B on MJD  58695.300
17.26± 0.04BM31-004433.58 in filter R on MJD  58695.300
17.18± 0.05BM31-004433.58 in filter I on MJD  58695.300
58696.28 17.72± 0.04BM31-004433.58 in filter V on MJD  58696.280
---- 17.24± 0.05BM31-004433.58 in filter R on MJD  58696.280
M31-004433.58 in filter R on MJD  58696.280
17.09± 0.06BM31-004433.58 in filter I on MJD  58696.280
M31-004433.58 in filter I on MJD  58696.280
58750.10 17.81± 0.04BM31-004433.58 in filter V on MJD  58750.100
18.55± 0.08XM31-004433.58 in filter B on MJD  58750.100
--------
58757.08 17.79± 0.04BM31-004433.58 in filter V on MJD  58757.080
---- 17.31± 0.05BM31-004433.58 in filter R on MJD  58757.080
----
58779.07 17.81± 0.04BM31-004433.58 in filter V on MJD  58779.070
---- 17.29± 0.04BM31-004433.58 in filter R on MJD  58779.070
----
58784.04 17.73± 0.04BM31-004433.58 in filter V on MJD  58784.040
18.19± 0.04BM31-004433.58 in filter B on MJD  58784.040
--------
58812.10 17.79± 0.03BM31-004433.58 in filter V on MJD  58812.100
---- 17.30± 0.05BM31-004433.58 in filter R on MJD  58812.100
----
58836.18 17.74± 0.04BM31-004433.58 in filter V on MJD  58836.180
-------- 17.14± 0.05BM31-004433.58 in filter I on MJD  58836.180
59001.37 17.71± 0.05BM31-004433.58 in filter V on MJD  59001.370
---- 17.26± 0.05BM31-004433.58 in filter R on MJD  59001.370
----
59019.33 17.83± 0.05BM31-004433.58 in filter V on MJD  59019.330
18.30± 0.06BM31-004433.58 in filter B on MJD  59019.330
--------
59055.32 17.80± 0.04ABM31-004433.58 in filter V on MJD  59055.320
M31-004433.58 in filter V on MJD  59055.320
18.24± 0.04BM31-004433.58 in filter B on MJD  59055.320
17.35± 0.04BM31-004433.58 in filter R on MJD  59055.320
17.20± 0.06ABM31-004433.58 in filter I on MJD  59055.320
M31-004433.58 in filter I on MJD  59055.320
59077.22 17.72± 0.05BM31-004433.58 in filter V on MJD  59077.220
---- 17.24± 0.05BM31-004433.58 in filter R on MJD  59077.220
----
59082.20 17.76± 0.04BM31-004433.58 in filter V on MJD  59082.200
18.26± 0.04BM31-004433.58 in filter B on MJD  59082.200
17.33± 0.03BM31-004433.58 in filter R on MJD  59082.200
----
59131.06 17.75± 0.04ABM31-004433.58 in filter V on MJD  59131.060
M31-004433.58 in filter V on MJD  59131.060
18.22± 0.06BM31-004433.58 in filter B on MJD  59131.060
17.28± 0.03BM31-004433.58 in filter R on MJD  59131.060
----
59166.08 17.73± 0.04ABM31-004433.58 in filter V on MJD  59166.080
M31-004433.58 in filter V on MJD  59166.080
-------- 17.09± 0.05ABM31-004433.58 in filter I on MJD  59166.080
M31-004433.58 in filter I on MJD  59166.080
59194.08 17.85± 0.04ABM31-004433.58 in filter V on MJD  59194.080
M31-004433.58 in filter V on MJD  59194.080
18.32± 0.03BM31-004433.58 in filter B on MJD  59194.080
17.33± 0.05BM31-004433.58 in filter R on MJD  59194.080
----
59376.36 17.72± 0.05BM31-004433.58 in filter V on MJD  59376.360
18.21± 0.06BM31-004433.58 in filter B on MJD  59376.360
--------
59379.35 17.81± 0.05BM31-004433.58 in filter V on MJD  59379.350
---- 17.17± 0.04BM31-004433.58 in filter R on MJD  59379.350
----
59409.39 17.82± 0.07ABM31-004433.58 in filter V on MJD  59409.390
M31-004433.58 in filter V on MJD  59409.390
18.32± 0.36XM31-004433.58 in filter B on MJD  59409.390
17.36± 0.05BM31-004433.58 in filter R on MJD  59409.390
----
59442.28 17.77± 0.04ABM31-004433.58 in filter V on MJD  59442.280
M31-004433.58 in filter V on MJD  59442.280
18.15± 0.05BM31-004433.58 in filter B on MJD  59442.280
17.23± 0.03BM31-004433.58 in filter R on MJD  59442.280
17.12± 0.06ABM31-004433.58 in filter I on MJD  59442.280
M31-004433.58 in filter I on MJD  59442.280
59467.15 17.75± 0.04ABM31-004433.58 in filter V on MJD  59467.150
M31-004433.58 in filter V on MJD  59467.150
18.21± 0.05BM31-004433.58 in filter B on MJD  59467.150
17.27± 0.05BM31-004433.58 in filter R on MJD  59467.150
----
59522.08 17.73± 0.04ABM31-004433.58 in filter V on MJD  59522.080
M31-004433.58 in filter V on MJD  59522.080
18.18± 0.04BM31-004433.58 in filter B on MJD  59522.080
17.30± 0.04BM31-004433.58 in filter R on MJD  59522.080
----
59546.08 17.80± 0.03ABM31-004433.58 in filter V on MJD  59546.080
M31-004433.58 in filter V on MJD  59546.080
18.22± 0.04BM31-004433.58 in filter B on MJD  59546.080
---- 17.16± 0.06BM31-004433.58 in filter I on MJD  59546.080
59583.08 17.80± 0.04ABM31-004433.58 in filter V on MJD  59583.080
M31-004433.58 in filter V on MJD  59583.080
---- 17.35± 0.05BM31-004433.58 in filter R on MJD  59583.080
17.23± 0.04BM31-004433.58 in filter I on MJD  59583.080
59753.33 17.75± 0.05ABM31-004433.58 in filter V on MJD  59753.330
M31-004433.58 in filter V on MJD  59753.330
18.14± 0.06BM31-004433.58 in filter B on MJD  59753.330
17.22± 0.04BM31-004433.58 in filter R on MJD  59753.330
----
59816.18 17.78± 0.04ABM31-004433.58 in filter V on MJD  59816.180
M31-004433.58 in filter V on MJD  59816.180
18.22± 0.04BM31-004433.58 in filter B on MJD  59816.180
17.30± 0.04BM31-004433.58 in filter R on MJD  59816.180
----
59848.07 17.89± 0.08ABM31-004433.58 in filter V on MJD  59848.070
M31-004433.58 in filter V on MJD  59848.070
18.08± 0.06BM31-004433.58 in filter B on MJD  59848.070
---- 16.97± 0.06BM31-004433.58 in filter I on MJD  59848.070
59851.07 17.57± 0.05BM31-004433.58 in filter V on MJD  59851.070
---- 17.06± 0.05XM31-004433.58 in filter R on MJD  59851.070
16.96± 0.07BM31-004433.58 in filter I on MJD  59851.070
59854.14 17.74± 0.03BM31-004433.58 in filter V on MJD  59854.140
18.31± 0.05BM31-004433.58 in filter B on MJD  59854.140
17.31± 0.04BM31-004433.58 in filter R on MJD  59854.140
----
59879.08 17.73± 0.04ABM31-004433.58 in filter V on MJD  59879.080
M31-004433.58 in filter V on MJD  59879.080
18.12± 0.05BM31-004433.58 in filter B on MJD  59879.080
---- 17.25± 0.05BM31-004433.58 in filter I on MJD  59879.080
59905.12 17.74± 0.04BM31-004433.58 in filter V on MJD  59905.120
M31-004433.58 in filter V on MJD  59905.120
18.18± 0.04BM31-004433.58 in filter B on MJD  59905.120
M31-004433.58 in filter B on MJD  59905.120
17.19± 0.03BM31-004433.58 in filter R on MJD  59905.120
----
59905.22 17.79± 0.04BM31-004433.58 in filter V on MJD  59905.220
M31-004433.58 in filter V on MJD  59905.220
18.21± 0.05BM31-004433.58 in filter B on MJD  59905.220
M31-004433.58 in filter B on MJD  59905.220
---- 17.00± 0.06BM31-004433.58 in filter I on MJD  59905.220
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 M31-004433.58Plot of color for M31-004433.58

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 [0.29 mag]B [0.32 mag]R [0.18 mag]
B [0.29 mag]0.16 (36)
R [0.18 mag]0.17 (33)0.29 (21)
I [0.33 mag]0.02 (20)0.00 (9)0.67 (7)

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 M31-004433.58

Plot to assess correlation between bands for M31-004433.58

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)
0.64 | 1.32
R
(I|R)
0.33 | 0.762.36 | 0.05
I
(I|R)
0.34 | 0.700.14 | 0.690.93 | 0.96

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