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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179900714 (SMSS J172814.90-203510.3)

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Data releaseDR4
RA (deg)262.0621
Dec (deg)-20.5862
Galactic lon. (deg)4.9741
Galactic lat. (deg)7.7871
E(B-V) (SFD98) (mag)0.862
E(B-V) (GNILC) (mag)0.697 ± 0.034
Nearest DR4 source 2268139554 (3.2 arcs away)
2nd-nearest DR4 source 179900711 (6.8 arcs away)
3rd-nearest DR4 source 179900713 (7.2 arcs away)
Times observed35
Total bad pixels0
Observing flags2

Magnitudes

Filter u v g r i z
PSF mag. — — 17.781 ± 0.021 16.639 ± 0.012 15.778 ± 0.009 15.292 ± 0.010
Petrosian mag. — — 17.764 ± 0.049 16.618 ± 0.022 15.806 ± 0.010 15.338 ± 0.013

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 20140719114908 17.895 ± 0.087 0,0 5 2
g 20140722114132 17.724 ± 0.070 0,0 5 2
g 20160420172300 17.903 ± 0.109 0,0 5 2
g 20180605124544 17.839 ± 0.090 16,0 5 2
g 20190505165725 17.79 ± 0.029 2,0 100 2
g 20190507143127 17.770 ± 0.046 0,0 100 2
g 20190822094124 17.870 ± 0.029 0,0 100 2
r 20140719114939 16.614 ± 0.046 0,0 5 2
r 20140722114203 16.635 ± 0.041 0,0 5 2
r 20160420172325 16.600 ± 0.043 0,0 5 2
r 20180605125736 16.600 ± 0.052 0,0 5 2
r 20190505165926 16.645 ± 0.030 0,0 100 2
r 20190507143327 16.646 ± 0.046 2,0 100 2
r 20190822094324 16.699 ± 0.030 0,0 100 2
r 20200524153415 16.630 ± 0.056 0,0 5 2
r 20210411183015 16.590 ± 0.050 16,0 5 2
i 20140719115004 15.777 ± 0.032 0,0 10 2
i 20140722114229 15.796 ± 0.036 0,0 10 2
i 20150901084153 15.778 ± 0.029 0,0 100 2
i 20160420172350 15.750 ± 0.031 0,0 10 2
i 20180605124636 15.785 ± 0.039 16,0 10 2
i 20180605125802 15.773 ± 0.041 0,0 10 2
i 20190505170526 15.776 ± 0.031 0,0 100 2
i 20190508164002 15.799 ± 0.036 0,0 100 2
i 20190509140533 15.774 ± 0.050 2,0 100 2
i 20190720124743 15.775 ± 0.061 0,0 100 2
i 20200513190610 15.792 ± 0.032 0,0 100 2
i 20200524153441 15.773 ± 0.039 0,0 10 2
i 20210411183047 15.820 ± 0.045 24,36 10 2
z 20140719115035 15.290 ± 0.033 0,0 20 2
z 20140722114259 15.299 ± 0.031 0,0 20 2
z 20150901084353 15.289 ± 0.026 0,0 100 2
z 20160420172420 15.311 ± 0.028 0,0 20 2
z 20180605124707 15.429 ± 0.037 16,0 20 2
z 20180605125833 15.248 ± 0.036 0,0 20 2
z 20190505170726 15.295 ± 0.030 0,0 100 2
z 20190508164202 15.273 ± 0.028 0,0 100 2
z 20190509140733 15.288 ± 0.053 0,0 100 2
z 20190720124943 15.278 ± 0.058 0,0 100 2
z 20200513190811 15.302 ± 0.035 0,0 100 2
z 20200524153511 15.316 ± 0.039 0,0 20 3
z 20210411183118 15.340 ± 0.036 16,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.18 3.04
GAIA source ID 4121034112859790592 4121034112822636160
Bp mag. 17.567 --
G mag. 16.463 20.576
Rp mag. 15.415 --
Bp/Rp excess 1.367 --
Parallax (mas) 0.312 ± 0.079 -- ± --
PM RA (mas/yr) -4.469 ± 0.080 -- ± --
PM Dec (mas/yr) -1.386 ± 0.061 -- ± --
A.E.N. (mas) 0.229 ± 3.291 3.430 ± 2.280

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 16.677 ± 0.002
i -- ± --
z -- ± --
Y -- ± --
J 13.906 ± 0.026
H 13.076 ± 0.022
K 12.755 ± 0.023
W1 12.723 ± 0.012
W2 12.908 ± 0.01
W3 11.854 ± --
W4 8.328 ± --
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.