Color composite thumbnail image of V-125093V-125093 (J013415.42+302816.4)



Target Notes

Color composite thumbnail image of V-125093

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 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
56982.22 17.37± 0.06-V-125093 in filter V on MJD  56982.220
18.03± 0.06-V-125093 in filter B on MJD  56982.220
16.82± 0.07-V-125093 in filter R on MJD  56982.220
----
57328.19 17.47± 0.05-V-125093 in filter V on MJD  57328.190
18.13± 0.07-V-125093 in filter B on MJD  57328.190
16.92± 0.07-V-125093 in filter R on MJD  57328.190
----
57401.10 17.50± 0.05-V-125093 in filter V on MJD  57401.100
18.14± 0.06-V-125093 in filter B on MJD  57401.100
--------
57406.10 17.45± 0.06-V-125093 in filter V on MJD  57406.100
18.19± 0.09-V-125093 in filter B on MJD  57406.100
16.94± 0.05-V-125093 in filter R on MJD  57406.100
16.49± 0.07-V-125093 in filter I on MJD  57406.100
57634.41 17.39± 0.06-V-125093 in filter V on MJD  57634.410
18.00± 0.08-V-125093 in filter B on MJD  57634.410
16.83± 0.08-V-125093 in filter R on MJD  57634.410
----
57638.43 17.39± 0.06-V-125093 in filter V on MJD  57638.430
-------- 16.34± 0.10-V-125093 in filter I on MJD  57638.430
57964.33 17.48± 0.05-V-125093 in filter V on MJD  57964.330
18.10± 0.07-V-125093 in filter B on MJD  57964.330
16.89± 0.05-V-125093 in filter R on MJD  57964.330
16.28± 0.06-V-125093 in filter I on MJD  57964.330
58045.18 17.52± 0.05-V-125093 in filter V on MJD  58045.180
18.15± 0.08-V-125093 in filter B on MJD  58045.180
16.95± 0.06-V-125093 in filter R on MJD  58045.180
----
58073.20 17.44± 0.05-V-125093 in filter V on MJD  58073.200
18.15± 0.07-V-125093 in filter B on MJD  58073.200
--------
58103.18 17.40± 0.05TV-125093 in filter V on MJD  58103.180
------------
58108.11 17.41± 0.05-V-125093 in filter V on MJD  58108.110
18.18± 0.09-V-125093 in filter B on MJD  58108.110
---- 16.35± 0.07-V-125093 in filter I on MJD  58108.110
58312.39 17.45± 0.05-V-125093 in filter V on MJD  58312.390
18.19± 0.11-V-125093 in filter B on MJD  58312.390
--------
58317.37 17.49± 0.05-V-125093 in filter V on MJD  58317.370
18.20± 0.07-V-125093 in filter B on MJD  58317.370
16.92± 0.04-V-125093 in filter R on MJD  58317.370
----
58341.34 17.47± 0.07-V-125093 in filter V on MJD  58341.340
-------- 16.35± 0.07-V-125093 in filter I on MJD  58341.340
58342.40 17.48± 0.06-V-125093 in filter V on MJD  58342.400
18.16± 0.09-V-125093 in filter B on MJD  58342.400
16.94± 0.05-V-125093 in filter R on MJD  58342.400
----
58375.14 17.50± 0.05-V-125093 in filter V on MJD  58375.140
---- 16.94± 0.05-V-125093 in filter R on MJD  58375.140
----
58420.10 17.56± 0.05-V-125093 in filter V on MJD  58420.100
18.24± 0.07-V-125093 in filter B on MJD  58420.100
---- 16.46± 0.07-V-125093 in filter I on MJD  58420.100
58672.39 17.38± 0.07-V-125093 in filter V on MJD  58672.390
---- 16.81± 0.05-V-125093 in filter R on MJD  58672.390
16.35± 0.08-V-125093 in filter I on MJD  58672.390
58695.36 17.38± 0.05-V-125093 in filter V on MJD  58695.360
18.08± 0.06-V-125093 in filter B on MJD  58695.360
16.81± 0.04-V-125093 in filter R on MJD  58695.360
----
58696.41 17.44± 0.05-V-125093 in filter V on MJD  58696.410
18.13± 0.08-V-125093 in filter B on MJD  58696.410
V-125093 in filter B on MJD  58696.410
16.82± 0.07-V-125093 in filter R on MJD  58696.410
V-125093 in filter R on MJD  58696.410
----
58757.17 17.30± 0.05-V-125093 in filter V on MJD  58757.170
---- 16.79± 0.05-V-125093 in filter R on MJD  58757.170
----
58784.14 17.33± 0.05AV-125093 in filter V on MJD  58784.140
V-125093 in filter V on MJD  58784.140
17.91± 0.06-V-125093 in filter B on MJD  58784.140
---- 16.30± 0.08-V-125093 in filter I on MJD  58784.140
59059.38 17.25± 0.05-V-125093 in filter V on MJD  59059.380
17.97± 0.06-V-125093 in filter B on MJD  59059.380
--------
59081.26 17.27± 0.05-V-125093 in filter V on MJD  59081.260
---- 16.72± 0.05-V-125093 in filter R on MJD  59081.260
----
59084.38-------- 16.74± 0.07TV-125093 in filter R on MJD  59084.380
----
59161.07 17.27± 0.05-V-125093 in filter V on MJD  59161.070
18.04± 0.07-V-125093 in filter B on MJD  59161.070
16.71± 0.04-V-125093 in filter R on MJD  59161.070
----
59171.17 17.39± 0.04-V-125093 in filter V on MJD  59171.170
18.07± 0.09-V-125093 in filter B on MJD  59171.170
16.78± 0.05-V-125093 in filter R on MJD  59171.170
16.23± 0.08-V-125093 in filter I on MJD  59171.170
59227.15 17.32± 0.05-V-125093 in filter V on MJD  59227.150
18.04± 0.06-V-125093 in filter B on MJD  59227.150
16.74± 0.04-V-125093 in filter R on MJD  59227.150
16.20± 0.07-V-125093 in filter I on MJD  59227.150
59441.40 17.29± 0.06AV-125093 in filter V on MJD  59441.400
V-125093 in filter V on MJD  59441.400
17.97± 0.06-V-125093 in filter B on MJD  59441.400
--------
59463.34 17.30± 0.06-V-125093 in filter V on MJD  59463.340
17.99± 0.08-V-125093 in filter B on MJD  59463.340
--------
59522.13 17.32± 0.05-V-125093 in filter V on MJD  59522.130
---- 16.73± 0.05-V-125093 in filter R on MJD  59522.130
16.24± 0.08-V-125093 in filter I on MJD  59522.130
59546.22 17.28± 0.06-V-125093 in filter V on MJD  59546.220
-------- 16.18± 0.07-V-125093 in filter I on MJD  59546.220
59551.16 17.25± 0.07TV-125093 in filter V on MJD  59551.160
------------
59608.14 17.31± 0.05-V-125093 in filter V on MJD  59608.140
18.07± 0.08-V-125093 in filter B on MJD  59608.140
16.75± 0.05-V-125093 in filter R on MJD  59608.140
----
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-125093Plot of color for V-125093

Key for Plot Variability Photometry Table Target Notes


Variability

Plot/Graph Photometry Table Target Notes

It is 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 [0.33 mag]B [0.30 mag]R [0.23 mag]
B [0.33 mag]0.68 (23)
R [0.23 mag]0.90 (19)0.59 (14)
I [0.30 mag]0.57 (12)0.48 (7)0.68 (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

Plot to assess correlation between bands for V-125093

Plot to assess correlation between bands for V-125093

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)
1.78 | 0.71
R
(I|R)
2.57 | 0.99-0.74 | 0.03
I
(I|R)
1.54 | 1.171.55 | 0.991.80 | 1.20

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