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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179803098 (SMSS J172458.59-204529.2)

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Data releaseDR4
RA (deg)261.244
Dec (deg)-20.758
Galactic lon. (deg)4.407
Galactic lat. (deg)8.335
E(B-V) (SFD98) (mag)0.732
E(B-V) (GNILC) (mag)0.644 ± 0.028
Nearest DR4 source 179803097 (5.4 arcs away)
2nd-nearest DR4 source 2268034320 (8.8 arcs away)
3rd-nearest DR4 source 179803086 (9.8 arcs away)
Times observed4
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 17.844 ± 0.076 17.744 ± 0.125
Petrosian mag. 18.171 ± 0.065 18.164 ± 0.298

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)
i 20140722114229 17.761 ± 0.107 512,0 10 2
i 20140729111202 17.872 ± 0.112 512,0 10 2
i 20150901084153 17.776 ± 0.049 3,0 100 2
i 20150901084554 17.759 ± 0.047 3,0 100 2
i 20190505170526 17.840 ± 0.052 3,0 100 2
z 20140722114259 17.683 ± 0.124 512,0 20 2
z 20140729111235 17.690 ± 0.123 0,0 20 2
z 20150901084353 17.590 ± 0.065 1027,0 100 2
z 20190505170726 17.737 ± 0.079 1027,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.98 1.06
GAIA source ID 4121124685072742272 4121124685072742016
Bp mag. 19.617 19.871
G mag. 18.885 19.389
Rp mag. 18.038 18.089
Bp/Rp excess 1.288 1.859
Parallax (mas) 0.154 ± 0.217 -0.125 ± 0.336
PM RA (mas/yr) -4.393 ± 0.289 -3.692 ± 0.451
PM Dec (mas/yr) -2.472 ± 0.201 -6.841 ± 0.304
A.E.N. (mas) 0.0 ± 0.0 0.570 ± 0.629

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.284 ± 0.011
i -- ± --
z -- ± --
Y -- ± --
J 16.907 ± 0.022
H -- ± --
K 16.310 ± 0.045
W1 -- ± --
W2 -- ± --
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.