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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185206929 (SMSS J172804.06-201214.5)

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Data releaseDR4
RA (deg)262.0169
Dec (deg)-20.2041
Galactic lon. (deg)5.2749
Galactic lat. (deg)8.0301
E(B-V) (SFD98) (mag)0.756
E(B-V) (GNILC) (mag)0.627 ± 0.033
Nearest DR4 source 185206926 (5.8 arcs away)
2nd-nearest DR4 source 185206928 (7.4 arcs away)
3rd-nearest DR4 source 185206930 (10.1 arcs away)
Times observed9
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 19.419 ± 0.021 18.524 ± 0.053 17.720 ± 0.035 17.331 ± 0.046
Petrosian mag. — — 19.739 ± 0.059 18.656 ± 0.171 18.084 ± 0.096 17.369 ± 0.080

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 19.462 ± 0.069 1,0 100 2
g 20190506165109 19.452 ± 0.058 1,0 100 2
g 20190507143127 19.454 ± 0.076 3,0 100 2
g 20190822094124 19.426 ± 0.067 1,0 100 2
r 20140729111131 18.522 ± 0.158 0,0 5 2
r 20190505165926 18.586 ± 0.066 1025,0 100 2
r 20190506165309 18.547 ± 0.051 1025,0 100 2
r 20190507143327 18.576 ± 0.066 1027,0 100 2
r 20190822094324 18.518 ± 0.060 1027,0 100 2
i 20140729111202 17.851 ± 0.111 0,0 10 2
i 20150901084554 17.870 ± 0.055 1025,0 100 2
i 20160420172350 17.765 ± 0.155 0,0 10 2
i 20190505170526 17.81 ± 0.058 1024,0 100 2
i 20190508164002 17.965 ± 0.073 1025,0 100 2
i 20190509140533 17.779 ± 0.071 1025,0 100 2
i 20190720124743 17.840 ± 0.084 1027,0 100 2
z 20140729111235 17.327 ± 0.092 0,0 20 2
z 20150901084754 17.444 ± 0.063 1024,0 100 2
z 20160420172420 17.119 ± 0.102 0,0 20 2
z 20190505170726 17.463 ± 0.071 1024,0 100 2
z 20190508164202 17.506 ± 0.074 1024,0 100 2
z 20190509140733 17.483 ± 0.080 1024,0 100 2
z 20190720124943 17.479 ± 0.085 1025,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.25 1.29
GAIA source ID 4121255350855134336 4121255355162152064
Bp mag. 19.240 --
G mag. 18.380 20.648
Rp mag. 17.402 --
Bp/Rp excess 1.365 --
Parallax (mas) 0.552 ± 0.196 -- ± --
PM RA (mas/yr) -4.858 ± 0.224 -- ± --
PM Dec (mas/yr) -2.275 ± 0.158 -- ± --
A.E.N. (mas) 0.313 ± 0.816 0.0 ± 0.000

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.387 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 16.038 ± 0.011
H -- ± --
K 15.326 ± 0.022
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.