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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185163023 (SMSS J172750.41-200709.2)

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Data releaseDR4
RA (deg)261.9601
Dec (deg)-20.1192
Galactic lon. (deg)5.3176
Galactic lat. (deg)8.1210
E(B-V) (SFD98) (mag)0.839
E(B-V) (GNILC) (mag)0.615 ± 0.026
Nearest DR4 source 185163019 (9.1 arcs away)
2nd-nearest DR4 source 185163028 (9.3 arcs away)
3rd-nearest DR4 source 185163025 (10.1 arcs away)
Times observed55
Total bad pixels12
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 18.256 ± 0.076 18.437 ± 0.062 15.024 ± 0.008 13.887 ± 0.009 12.923 ± 0.007 12.391 ± 0.009
Petrosian mag. 18.405 ± 0.259 18.646 ± 0.137 15.012 ± 0.012 13.885 ± 0.013 12.938 ± 0.007 12.409 ± 0.008

2 x 2 arcmin

Image cutouts

See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.

Photometry measurements

Filter Image ID Magnitude (APC05) Flags Exp time (s) Image Quality
(1=best to 3)
u 20140729110926 18.390 ± 0.127 0,0 40 3
u 20190505165326 18.216 ± 0.069 0,0 100 2
u 20190505170125 18.365 ± 0.072 0,0 100 2
v 20190505165526 18.377 ± 0.060 0,0 100 1
v 20190505170325 18.567 ± 0.060 0,0 100 1
v 20190505171125 18.493 ± 0.058 0,0 100 1
v 20210412150202 18.192 ± 0.066 0,0 100 1
g 20140719114908 15.051 ± 0.027 0,0 5 2
g 20140722114132 15.014 ± 0.025 0,0 5 2
g 20140729111106 15.010 ± 0.025 0,0 5 2
g 20160420170043 15.021 ± 0.016 0,0 5 2
g 20160420172300 15.017 ± 0.017 0,0 5 2
g 20180605124544 15.017 ± 0.023 0,0 5 2
g 20190505165725 15.015 ± 0.032 3,0 100 2
g 20190506165109 15.024 ± 0.025 3,0 100 2
g 20190822094124 15.018 ± 0.037 3,0 100 2
g 20200524153348 15.011 ± 0.031 0,0 5 3
g 20210407183532 15.031 ± 0.022 0,0 5 2
r 20140719114939 13.899 ± 0.029 2,0 5 2
r 20140722114203 13.869 ± 0.025 0,0 5 2
r 20140729111131 13.906 ± 0.025 0,0 5 2
r 20160420170109 13.903 ± 0.018 0,0 5 2
r 20160420172325 13.860 ± 0.016 0,0 5 2
r 20190505165926 13.878 ± 0.037 3,0 100 2
r 20190506165309 13.886 ± 0.030 3,0 100 2
r 20190822094324 13.879 ± 0.041 3,0 100 2
r 20200524153415 13.934 ± 0.033 0,0 5 2
r 20210407183558 13.878 ± 0.034 0,0 5 2
i 20140719115004 12.917 ± 0.030 2,0 10 2
i 20140722114229 12.903 ± 0.030 2,0 10 2
i 20140729111202 12.930 ± 0.028 2,0 10 2
i 20150901084153 12.932 ± 0.028 3,0 100 2
i 20150901084554 12.935 ± 0.032 3,0 100 2
i 20160420170134 12.983 ± 0.015 2,0 10 2
i 20160420172350 12.907 ± 0.017 0,1 10 2
i 20180605124636 12.919 ± 0.023 2,3 10 2
i 20190505170526 12.911 ± 0.036 3,0 100 2
i 20190508164002 12.914 ± 0.034 2,0 100 2
i 20190509140533 12.902 ± 0.059 3,0 100 2
i 20190720124743 12.894 ± 0.071 3,0 100 2
i 20200513190610 12.927 ± 0.032 3,0 100 2
i 20200524153441 12.919 ± 0.027 2,0 10 2
i 20210407183626 12.916 ± 0.027 2,2 10 2
z 20140719115035 12.388 ± 0.031 2,0 20 2
z 20140722114259 12.383 ± 0.028 2,0 20 2
z 20140729111235 12.383 ± 0.030 2,4 20 2
z 20150901084353 12.389 ± 0.027 3,0 100 2
z 20150901084754 12.392 ± 0.031 3,0 100 2
z 20160420170204 12.441 ± 0.018 2,0 20 2
z 20160420172420 12.406 ± 0.028 0,2 20 2
z 20180605124707 12.385 ± 0.018 2,0 20 2
z 20190505170726 12.377 ± 0.035 3,0 100 2
z 20190508164202 12.375 ± 0.026 3,0 100 2
z 20190509140733 12.380 ± 0.056 3,0 100 2
z 20190720124943 12.366 ± 0.064 3,0 100 2
z 20200513190811 12.386 ± 0.038 2,0 100 2
z 20200524153511 12.425 ± 0.026 0,0 20 3
z 20210407183658 12.384 ± 0.030 2,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.03 3.29
GAIA source ID 4121265456972455296 4121265456926811776
Bp mag. 14.808 --
G mag. 13.633 20.643
Rp mag. 12.563 --
Bp/Rp excess 1.374 --
Parallax (mas) 0.179 ± 0.020 2.451 ± 1.242
PM RA (mas/yr) -3.093 ± 0.022 -6.301 ± 1.854
PM Dec (mas/yr) -0.968 ± 0.015 -5.755 ± 1.191
A.E.N. (mas) 0.0 ± 0.0 0.0 ± 0.000

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r -- ± --
i -- ± --
z -- ± --
Y -- ± --
J 10.857 ± 0.021
H 9.95 ± 0.024
K 9.656 ± 0.019
W1 9.469 ± 0.01
W2 9.64 ± 0.008
W3 9.636 ± 0.052
W4 8.777 ± --
1Magnitude sources
FUV/NUV: AB mag (calibrated) from GALEX
ugriz: AB mag (Kron) from NOAO Source Catalog
YJHK: Vega mag from VISTA (2" aperture) or 2MASS PSC
W1-W4: Vega mag from CatWISE2020 or AllWISE (profile mag). No error value means the stated value is an upper limit.