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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179879340 (SMSS J172936.16-205230.4)

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Data releaseDR4
RA (deg)262.4007
Dec (deg)-20.8752
Galactic lon. (deg)4.9024
Galactic lat. (deg)7.3644
E(B-V) (SFD98) (mag)0.989
E(B-V) (GNILC) (mag)0.920 ± 0.045
Nearest DR4 source 179877937 (7.5 arcs away)
2nd-nearest DR4 source 179879342 (7.7 arcs away)
3rd-nearest DR4 source 179877940 (9.7 arcs away)
Times observed37
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 17.644 ± 0.013 16.741 ± 0.017 15.950 ± 0.011 15.521 ± 0.013
Petrosian mag. 17.572 ± 0.020 16.665 ± 0.039 15.854 ± 0.034 15.454 ± 0.030

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 17.655 ± 0.075 0,0 5 2
g 20140722114132 17.618 ± 0.063 0,0 5 2
g 20140729111106 17.721 ± 0.064 0,0 5 2
g 20160420172300 17.717 ± 0.097 0,0 5 2
g 20180605125705 17.655 ± 0.088 0,0 5 2
g 20190505165725 17.642 ± 0.022 3,0 100 2
g 20190506165109 17.648 ± 0.018 3,0 100 2
g 20190507143127 17.662 ± 0.035 3,0 100 2
r 20140719114939 16.814 ± 0.052 0,0 5 2
r 20140722114203 16.680 ± 0.039 0,0 5 2
r 20140729111131 16.985 ± 0.047 0,0 5 2
r 20160420172325 16.821 ± 0.053 0,0 5 2
r 20180605125736 16.786 ± 0.056 0,0 5 2
r 20190505165926 16.729 ± 0.030 3,0 100 2
r 20190507143327 16.727 ± 0.042 3,0 100 2
r 20210411183015 16.813 ± 0.059 0,0 5 2
i 20140719115004 15.959 ± 0.037 3,0 10 2
i 20140722114229 15.99 ± 0.038 0,0 10 2
i 20140729111202 16.029 ± 0.034 0,0 10 2
i 20150901084153 15.931 ± 0.03 3,0 100 2
i 20150901084554 15.947 ± 0.030 19,0 100 2
i 20160420172350 15.960 ± 0.035 0,0 10 2
i 20180605125802 15.976 ± 0.045 3,0 10 2
i 20190419150817 16.036 ± 0.033 8195,0 100 2
i 20190505170526 15.961 ± 0.031 3,0 100 2
i 20190508164002 15.928 ± 0.032 3,0 100 2
i 20190509140133 15.997 ± 0.038 8195,0 100 2
i 20190720124743 15.939 ± 0.064 3,0 100 2
i 20200513185000 15.982 ± 0.032 3,0 100 2
i 20210411183047 15.950 ± 0.051 3,0 10 2
z 20140719115035 15.513 ± 0.034 3,0 20 2
z 20140722114259 15.528 ± 0.036 0,0 20 2
z 20140729111235 15.566 ± 0.035 0,0 20 2
z 20150901084353 15.514 ± 0.030 3,0 100 2
z 20150901084754 15.524 ± 0.033 19,0 100 2
z 20160420172420 15.484 ± 0.033 0,0 20 2
z 20180605125833 15.561 ± 0.042 1,0 20 2
z 20190419151018 15.573 ± 0.034 8195,0 100 2
z 20190505170726 15.520 ± 0.029 3,0 100 2
z 20190508164202 15.508 ± 0.032 3,0 100 2
z 20190509140333 15.572 ± 0.042 8195,0 100 2
z 20200513185201 15.566 ± 0.034 3,0 100 2
z 20210411183118 15.499 ± 0.041 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.04 2.49
GAIA source ID 4120964048989720960 4120964053287703168
Bp mag. 17.537 21.134
G mag. 16.584 20.176
Rp mag. 15.622 18.999
Bp/Rp excess 1.322 1.545
Parallax (mas) 0.688 ± 0.084 0.364 ± 1.177
PM RA (mas/yr) 1.810 ± 0.081 -2.413 ± 1.165
PM Dec (mas/yr) -2.296 ± 0.060 -5.569 ± 0.717
A.E.N. (mas) 0.0 ± 0.0 1.285 ± 1.713

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 17.925 ± 0.004
r 16.821 ± 0.002
i 16.202 ± 0.003
z 15.813 ± 0.003
Y -- ± --
J 14.203 ± 0.032
H 13.598 ± 0.043
K 13.359 ± 0.034
W1 13.392 ± 0.015
W2 13.49 ± 0.015
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.