Color composite thumbnail image of V-107775V-107775 (J013401.08+303619.6)


Target Notes

Color composite thumbnail image of V-107775

Classification: OB-Supergiant

Two LGGS stars (J013401.16+303618.4 and J013401.18+303618.3) of comparable brightness 1.5-1.8 arcseconds to SE. Combine to be brighter than the target in all. They cannot be reliably separated from the target under most conditions. All three modeled together as a single star.

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
56140.38 17.36± 0.05ABV-107775 in filter V on MJD 56140.380
V-107775 in filter V on MJD 56140.380
---- 17.09± 0.11ABV-107775 in filter R on MJD 56140.380
V-107775 in filter R on MJD 56140.380
----
56593.16 17.25± 0.04BV-107775 in filter V on MJD 56593.160
 17.36± 0.03BV-107775 in filter B on MJD 56593.160
--------
56599.18 17.26± 0.05ABV-107775 in filter V on MJD 56599.180
V-107775 in filter V on MJD 56599.180
 17.31± 0.05ABV-107775 in filter B on MJD 56599.180
V-107775 in filter B on MJD 56599.180
 16.94± 0.06ABV-107775 in filter R on MJD 56599.180
V-107775 in filter R on MJD 56599.180
----
56976.16 17.23± 0.05BV-107775 in filter V on MJD 56976.160
 17.34± 0.06BV-107775 in filter B on MJD 56976.160
 16.94± 0.05BV-107775 in filter R on MJD 56976.160
----
57038.13 17.42± 0.05BV-107775 in filter V on MJD 57038.130
 17.39± 0.05BV-107775 in filter B on MJD 57038.130
 17.13± 0.05BV-107775 in filter R on MJD 57038.130
----
57310.13 17.22± 0.06BV-107775 in filter V on MJD 57310.130
 17.25± 0.07BV-107775 in filter B on MJD 57310.130
 16.84± 0.05BV-107775 in filter R on MJD 57310.130
----
57328.16 17.42± 0.04BV-107775 in filter V on MJD 57328.160
 17.55± 0.04BV-107775 in filter B on MJD 57328.160
 17.21± 0.04BV-107775 in filter R on MJD 57328.160
----
57335.18 17.39± 0.06BV-107775 in filter V on MJD 57335.180
---- 16.98± 0.04BV-107775 in filter R on MJD 57335.180
----
57401.10 17.32± 0.05BV-107775 in filter V on MJD 57401.100
 17.41± 0.06BV-107775 in filter B on MJD 57401.100
--------
57406.10 17.27± 0.05BV-107775 in filter V on MJD 57406.100
 17.32± 0.05BV-107775 in filter B on MJD 57406.100
 17.09± 0.06BV-107775 in filter R on MJD 57406.100
 17.01± 0.08BV-107775 in filter I on MJD 57406.100
57634.37 17.35± 0.05ABV-107775 in filter V on MJD 57634.370
V-107775 in filter V on MJD 57634.370
V-107775 in filter V on MJD 57634.370
 17.47± 0.07ABV-107775 in filter B on MJD 57634.370
V-107775 in filter B on MJD 57634.370
V-107775 in filter B on MJD 57634.370
 17.12± 0.07ABV-107775 in filter R on MJD 57634.370
V-107775 in filter R on MJD 57634.370
V-107775 in filter R on MJD 57634.370
 17.04± 0.08ABV-107775 in filter I on MJD 57634.370
V-107775 in filter I on MJD 57634.370
57638.43 17.42± 0.07BV-107775 in filter V on MJD 57638.430
-------- 16.98± 0.10BV-107775 in filter I on MJD 57638.430
57687.13 17.20± 0.04BV-107775 in filter V on MJD 57687.130
 17.43± 0.06BV-107775 in filter B on MJD 57687.130
 17.03± 0.05BV-107775 in filter R on MJD 57687.130
 17.01± 0.07BV-107775 in filter I on MJD 57687.130
57964.37 17.47± 0.04BV-107775 in filter V on MJD 57964.370
 17.54± 0.06BV-107775 in filter B on MJD 57964.370
 17.32± 0.05BV-107775 in filter R on MJD 57964.370
 17.05± 0.06BV-107775 in filter I on MJD 57964.370
58045.17 17.35± 0.05BV-107775 in filter V on MJD 58045.170
 17.29± 0.07ABV-107775 in filter B on MJD 58045.170
V-107775 in filter B on MJD 58045.170
 16.95± 0.05ABV-107775 in filter R on MJD 58045.170
V-107775 in filter R on MJD 58045.170
----
58073.19 17.44± 0.05ABV-107775 in filter V on MJD 58073.190
V-107775 in filter V on MJD 58073.190
 17.40± 0.07ABV-107775 in filter B on MJD 58073.190
V-107775 in filter B on MJD 58073.190
--------
58103.16 17.34± 0.05ABV-107775 in filter V on MJD 58103.160
V-107775 in filter V on MJD 58103.160
-------- 17.17± 0.07BV-107775 in filter I on MJD 58103.160
58108.11 17.32± 0.06BV-107775 in filter V on MJD 58108.110
 17.40± 0.08BV-107775 in filter B on MJD 58108.110
---- 17.13± 0.10BV-107775 in filter I on MJD 58108.110
58312.39 17.38± 0.06BV-107775 in filter V on MJD 58312.390
 17.40± 0.09BV-107775 in filter B on MJD 58312.390
--------
58317.37 17.43± 0.05BV-107775 in filter V on MJD 58317.370
 17.42± 0.07BV-107775 in filter B on MJD 58317.370
 17.29± 0.05BV-107775 in filter R on MJD 58317.370
----
58341.34 17.43± 0.07BV-107775 in filter V on MJD 58341.340
-------- 17.09± 0.07BV-107775 in filter I on MJD 58341.340
58342.40 17.34± 0.06BV-107775 in filter V on MJD 58342.400
 17.47± 0.08BV-107775 in filter B on MJD 58342.400
 17.19± 0.06BV-107775 in filter R on MJD 58342.400
----
58375.14 17.35± 0.05BV-107775 in filter V on MJD 58375.140
---- 17.05± 0.05BV-107775 in filter R on MJD 58375.140
----
58420.10 17.27± 0.05BV-107775 in filter V on MJD 58420.100
 17.21± 0.07BV-107775 in filter B on MJD 58420.100
---- 16.98± 0.07BV-107775 in filter I on MJD 58420.100
58433.00 17.31± 0.05BV-107775 in filter V on MJD 58433.000
---- 17.05± 0.06BV-107775 in filter R on MJD 58433.000
 16.95± 0.07BV-107775 in filter I on MJD 58433.000
58672.39 17.16± 0.07BV-107775 in filter V on MJD 58672.390
---- 17.06± 0.06BV-107775 in filter R on MJD 58672.390
> 14.68BV-107775 in filter I on MJD 58672.390
58695.36 17.37± 0.05BV-107775 in filter V on MJD 58695.360
 17.45± 0.06BV-107775 in filter B on MJD 58695.360
 17.18± 0.05BV-107775 in filter R on MJD 58695.360
----
58784.12 17.40± 0.06BV-107775 in filter V on MJD 58784.120
 17.45± 0.06BV-107775 in filter B on MJD 58784.120
--------
58812.22 17.27± 0.05BV-107775 in filter V on MJD 58812.220
-------- 16.88± 0.06BV-107775 in filter I on MJD 58812.220
58902.06 17.32± 0.04ABV-107775 in filter V on MJD 58902.060
V-107775 in filter V on MJD 58902.060
---- 17.09± 0.05BV-107775 in filter R on MJD 58902.060
 16.95± 0.08BV-107775 in filter I on MJD 58902.060
59056.38 17.27± 0.05BV-107775 in filter V on MJD 59056.380
 17.42± 0.06BV-107775 in filter B on MJD 59056.380
 16.96± 0.05BV-107775 in filter R on MJD 59056.380
 16.97± 0.08BV-107775 in filter I on MJD 59056.380
59059.38 17.37± 0.05BV-107775 in filter V on MJD 59059.380
 17.43± 0.06BV-107775 in filter B on MJD 59059.380
--------
59081.26 17.34± 0.05BV-107775 in filter V on MJD 59081.260
---- 17.32± 0.06BV-107775 in filter R on MJD 59081.260
----
59082.32 17.28± 0.03BV-107775 in filter V on MJD 59082.320
 17.49± 0.03BV-107775 in filter B on MJD 59082.320
 17.07± 0.05BV-107775 in filter R on MJD 59082.320
V-107775 in filter R on MJD 59082.320
----
59084.34-------- 17.12± 0.05TBV-107775 in filter R on MJD 59084.340
----
59161.09 17.33± 0.04ABV-107775 in filter V on MJD 59161.090
V-107775 in filter V on MJD 59161.090
 17.53± 0.07ABV-107775 in filter B on MJD 59161.090
V-107775 in filter B on MJD 59161.090
 17.08± 0.05ABV-107775 in filter R on MJD 59161.090
V-107775 in filter R on MJD 59161.090
----
59171.11 17.34± 0.04ABV-107775 in filter V on MJD 59171.110
V-107775 in filter V on MJD 59171.110
 17.55± 0.04BV-107775 in filter B on MJD 59171.110
---- 17.02± 0.08ABV-107775 in filter I on MJD 59171.110
V-107775 in filter I on MJD 59171.110
59227.09 17.36± 0.05ABV-107775 in filter V on MJD 59227.090
V-107775 in filter V on MJD 59227.090
 17.48± 0.04ABV-107775 in filter B on MJD 59227.090
V-107775 in filter B on MJD 59227.090
 17.11± 0.05BV-107775 in filter R on MJD 59227.090
----
59415.37 17.41± 0.05ABV-107775 in filter V on MJD 59415.370
V-107775 in filter V on MJD 59415.370
 17.58± 0.05BV-107775 in filter B on MJD 59415.370
 17.34± 0.06BV-107775 in filter R on MJD 59415.370
----
59441.39 17.43± 0.06BV-107775 in filter V on MJD 59441.390
 17.44± 0.06BV-107775 in filter B on MJD 59441.390
--------
59442.39 17.39± 0.03BV-107775 in filter V on MJD 59442.390
---- 17.40± 0.06BV-107775 in filter R on MJD 59442.390
 17.03± 0.08BV-107775 in filter I on MJD 59442.390
59463.30 17.36± 0.05ABV-107775 in filter V on MJD 59463.300
V-107775 in filter V on MJD 59463.300
-------- 17.09± 0.06BV-107775 in filter I on MJD 59463.300
59523.16 17.32± 0.04BV-107775 in filter V on MJD 59523.160
 17.42± 0.03BV-107775 in filter B on MJD 59523.160
 17.37± 0.05BV-107775 in filter R on MJD 59523.160
----
59525.16 17.38± 0.04ABV-107775 in filter V on MJD 59525.160
V-107775 in filter V on MJD 59525.160
 17.56± 0.06BV-107775 in filter B on MJD 59525.160
---- 16.86± 0.09BV-107775 in filter I on MJD 59525.160
59546.16 17.36± 0.04ABV-107775 in filter V on MJD 59546.160
V-107775 in filter V on MJD 59546.160
---- 17.19± 0.05BV-107775 in filter R on MJD 59546.160
 17.02± 0.06BV-107775 in filter I on MJD 59546.160
59551.13 17.29± 0.04ABV-107775 in filter V on MJD 59551.130
V-107775 in filter V on MJD 59551.130
 17.45± 0.06ABV-107775 in filter B on MJD 59551.130
V-107775 in filter B on MJD 59551.130
--------
59583.15 17.42± 0.04ABV-107775 in filter V on MJD 59583.150
V-107775 in filter V on MJD 59583.150
---- 17.23± 0.05BV-107775 in filter R on MJD 59583.150
 16.92± 0.08BV-107775 in filter I on MJD 59583.150
59608.08 17.38± 0.05ABV-107775 in filter V on MJD 59608.080
V-107775 in filter V on MJD 59608.080
---- 17.20± 0.05BV-107775 in filter R on MJD 59608.080
 16.96± 0.06BV-107775 in filter I on MJD 59608.080
59794.38 17.38± 0.04ABV-107775 in filter V on MJD 59794.380
V-107775 in filter V on MJD 59794.380
 17.47± 0.04BV-107775 in filter B on MJD 59794.380
--------
59823.24 17.54± 0.06BV-107775 in filter V on MJD 59823.240
 17.36± 0.05BV-107775 in filter B on MJD 59823.240
--------
59849.16 17.19± 0.04BV-107775 in filter V on MJD 59849.160
---- 16.89± 0.05BV-107775 in filter R on MJD 59849.160
----
59851.14 17.27± 0.04ABV-107775 in filter V on MJD 59851.140
V-107775 in filter V on MJD 59851.140
---- 17.04± 0.04BV-107775 in filter R on MJD 59851.140
 16.92± 0.08BV-107775 in filter I on MJD 59851.140
59854.23 17.38± 0.06ABV-107775 in filter V on MJD 59854.230
V-107775 in filter V on MJD 59854.230
 17.52± 0.10ABV-107775 in filter B on MJD 59854.230
V-107775 in filter B on MJD 59854.230
--------
59879.13 17.27± 0.05ABV-107775 in filter V on MJD 59879.130
V-107775 in filter V on MJD 59879.130
 17.54± 0.05BV-107775 in filter B on MJD 59879.130
---- 17.04± 0.07ABV-107775 in filter I on MJD 59879.130
V-107775 in filter I on MJD 59879.130
59903.22 17.40± 0.03BV-107775 in filter V on MJD 59903.220
 17.44± 0.03BV-107775 in filter B on MJD 59903.220
 17.12± 0.05BV-107775 in filter R on MJD 59903.220
 17.09± 0.09BV-107775 in filter I on MJD 59903.220
59904.12 17.53± 0.05BV-107775 in filter V on MJD 59904.120
 17.44± 0.05BV-107775 in filter B on MJD 59904.120
V-107775 in filter B on MJD 59904.120
 17.13± 0.05BV-107775 in filter R on MJD 59904.120
V-107775 in filter R on MJD 59904.120
 17.04± 0.07BV-107775 in filter I on MJD 59904.120
V-107775 in filter I on MJD 59904.120
59932.13 17.39± 0.06BV-107775 in filter V on MJD 59932.130
---- 17.19± 0.06BV-107775 in filter R on MJD 59932.130
----
60172.38 17.39± 0.04ABV-107775 in filter V on MJD 60172.380
V-107775 in filter V on MJD 60172.380
 17.44± 0.05BV-107775 in filter B on MJD 60172.380
 17.22± 0.05BV-107775 in filter R on MJD 60172.380
----
60205.16 17.43± 0.05ABV-107775 in filter V on MJD 60205.160
V-107775 in filter V on MJD 60205.160
 17.46± 0.04BV-107775 in filter B on MJD 60205.160
 17.26± 0.06BV-107775 in filter R on MJD 60205.160
----
60227.13 17.34± 0.05ABV-107775 in filter V on MJD 60227.130
V-107775 in filter V on MJD 60227.130
-------- 16.96± 0.07ABV-107775 in filter I on MJD 60227.130
V-107775 in filter I on MJD 60227.130
60261.12 17.42± 0.04BV-107775 in filter V on MJD 60261.120
---- 17.32± 0.06BV-107775 in filter R on MJD 60261.120
----
60262.14 17.34± 0.04ABV-107775 in filter V on MJD 60262.140
V-107775 in filter V on MJD 60262.140
 17.40± 0.04ABV-107775 in filter B on MJD 60262.140
V-107775 in filter B on MJD 60262.140
 17.14± 0.05BV-107775 in filter R on MJD 60262.140
V-107775 in filter R on MJD 60262.140
 16.93± 0.09BV-107775 in filter I on MJD 60262.140
60290.17 17.30± 0.04ABV-107775 in filter V on MJD 60290.170
V-107775 in filter V on MJD 60290.170
 17.45± 0.05ABV-107775 in filter B on MJD 60290.170
V-107775 in filter B on MJD 60290.170
---- 16.93± 0.08ABV-107775 in filter I on MJD 60290.170
V-107775 in filter I on MJD 60290.170
60292.19 17.38± 0.04ABV-107775 in filter V on MJD 60292.190
V-107775 in filter V on MJD 60292.190
---- 17.16± 0.06ABV-107775 in filter R on MJD 60292.190
V-107775 in filter R on MJD 60292.190
----
60342.09 17.37± 0.04ABV-107775 in filter V on MJD 60342.090
V-107775 in filter V on MJD 60342.090
 17.53± 0.04BV-107775 in filter B on MJD 60342.090
 17.18± 0.06BV-107775 in filter R on MJD 60342.090
----
60504.38 17.48± 0.05BV-107775 in filter V on MJD 60504.380
 17.52± 0.06BV-107775 in filter B on MJD 60504.380
 17.25± 0.06BV-107775 in filter R on MJD 60504.380
----
60506.36 17.38± 0.04BV-107775 in filter V on MJD 60506.360
 17.49± 0.04BV-107775 in filter B on MJD 60506.360
--------
60529.36 17.43± 0.05BV-107775 in filter V on MJD 60529.360
-------- 17.05± 0.07BV-107775 in filter I on MJD 60529.360
60533.38 17.39± 0.03BV-107775 in filter V on MJD 60533.380
---- 17.14± 0.05BV-107775 in filter R on MJD 60533.380
 17.00± 0.08BV-107775 in filter I on MJD 60533.380
60556.26 17.41± 0.04ABV-107775 in filter V on MJD 60556.260
V-107775 in filter V on MJD 60556.260
 17.51± 0.04ABV-107775 in filter B on MJD 60556.260
V-107775 in filter B on MJD 60556.260
 17.85± 0.09XV-107775 in filter R on MJD 60556.260
----
60594.11 17.27± 0.05ABV-107775 in filter V on MJD 60594.110
V-107775 in filter V on MJD 60594.110
---- 17.82± 0.11XV-107775 in filter R on MJD 60594.110
 16.94± 0.08ABV-107775 in filter I on MJD 60594.110
V-107775 in filter I on MJD 60594.110
60612.15 17.40± 0.04ABV-107775 in filter V on MJD 60612.150
V-107775 in filter V on MJD 60612.150
 17.39± 0.03BV-107775 in filter B on MJD 60612.150
 17.18± 0.06BV-107775 in filter R on MJD 60612.150
----
60651.16 17.29± 0.04ABV-107775 in filter V on MJD 60651.160
V-107775 in filter V on MJD 60651.160
 17.45± 0.05BV-107775 in filter B on MJD 60651.160
---- 17.02± 0.09BV-107775 in filter I on MJD 60651.160
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-107775Plot of color for V-107775

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 [0.38 mag]B [0.37 mag]R [0.56 mag]
B [0.37 mag]0.13 (47)
R [0.56 mag]0.43 (44)0.45 (27)
I [0.31 mag]0.06 (31)0.00 (15)0.10 (16)

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-107775

Plot to assess correlation between bands for V-107775

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)		0.84 | 0.88
R
(I|R)		2.81 | 0.682.50 | 0.21
I
(I|R)		0.40 | 1.590.04 | 2.070.45 | 2.59

Back to catalog index

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

Generated on 2025-08-04 15:53:14 UT-5