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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179829626 (SMSS J172557.24-204222.3)

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Data releaseDR4
RA (deg)261.4886
Dec (deg)-20.7062
Galactic lon. (deg)4.5772
Galactic lat. (deg)8.1718
E(B-V) (SFD98) (mag)0.876
E(B-V) (GNILC) (mag)0.721 ± 0.051
Nearest DR4 source 179829627 (3.8 arcs away)
2nd-nearest DR4 source 179829606 (5.7 arcs away)
3rd-nearest DR4 source 179829620 (10.2 arcs away)
Times observed23
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 19.521 ± 0.075 18.722 ± 0.063 18.053 ± 0.036 17.688 ± 0.043
Petrosian mag. 19.170 ± 0.085 18.292 ± 0.130 17.775 ± 0.120 17.619 ± 0.077

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)
g 20190505165725 19.658 ± 0.073 0,0 100 2
g 20190506165109 19.617 ± 0.064 2,0 100 2
g 20190507143127 19.641 ± 0.065 0,0 100 2
g 20190822094124 19.569 ± 0.072 0,0 100 2
r 20140729111131 19.266 ± 0.292 512,0 5 2
r 20190505165926 18.773 ± 0.066 2,0 100 2
r 20190506165309 18.787 ± 0.057 2,0 100 2
r 20190507143327 18.761 ± 0.054 1,0 100 2
r 20190822094324 18.690 ± 0.061 0,0 100 2
i 20140729111202 18.471 ± 0.182 0,0 10 2
i 20150901084153 18.144 ± 0.063 3,0 100 2
i 20150901084554 18.092 ± 0.056 3,0 100 2
i 20190505170526 18.112 ± 0.062 3,0 100 2
i 20190508164002 18.051 ± 0.066 0,0 100 2
i 20190509140533 18.152 ± 0.072 3,0 100 2
i 20190720124743 18.076 ± 0.077 0,0 100 2
z 20140722114259 17.772 ± 0.131 0,0 20 2
z 20140729111235 17.764 ± 0.126 0,0 20 2
z 20150901084353 17.767 ± 0.074 0,0 100 2
z 20150901084754 17.796 ± 0.074 0,0 100 2
z 20190505170726 17.744 ± 0.080 0,0 100 2
z 20190508164202 17.861 ± 0.089 0,0 100 2
z 20190509140733 17.841 ± 0.095 0,0 100 2
z 20190720124943 17.798 ± 0.091 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.28 4.07
GAIA source ID 4121123168944665216 4121123173247376256
Bp mag. 19.483 19.809
G mag. 18.803 19.162
Rp mag. 17.731 18.126
Bp/Rp excess 1.517 1.493
Parallax (mas) -0.145 ± 0.461 -0.422 ± 0.309
PM RA (mas/yr) 3.578 ± 0.623 1.315 ± 0.456
PM Dec (mas/yr) 2.247 ± 0.426 -1.520 ± 0.309
A.E.N. (mas) 3.151 ± 45.695 1.185 ± 4.433

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV 22.007 ± 0.451
u -- ± --
g 19.890 ± 0.009
r 18.779 ± 0.004
i 18.226 ± 0.008
z 17.893 ± 0.009
Y -- ± --
J 16.348 ± 0.016
H -- ± --
K 15.709 ± 0.030
W1 15.348 ± 0.019
W2 15.384 ± 0.056
W3 -- ± --
W4 -- ± --
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.