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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185218755 (SMSS J172902.19-201054.3)

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Data releaseDR4
RA (deg)262.2591
Dec (deg)-20.1818
Galactic lon. (deg)5.4182
Galactic lat. (deg)7.8512
E(B-V) (SFD98) (mag)0.896
E(B-V) (GNILC) (mag)0.727 ± 0.035
Nearest DR4 source 185218754 (9.2 arcs away)
2nd-nearest DR4 source 185218756 (9.5 arcs away)
3rd-nearest DR4 source 185218758 (12.8 arcs away)
Times observed23
Total bad pixels1
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. 18.891 ± 0.039 17.786 ± 0.015 16.920 ± 0.011 16.432 ± 0.013
Petrosian mag. 19.154 ± 0.080 17.972 ± 0.039 17.087 ± 0.026 16.619 ± 0.031

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 20140729111106 18.751 ± 0.152 512,0 5 2
g 20190505165725 18.947 ± 0.040 1024,0 100 2
g 20190506165109 18.911 ± 0.042 1024,0 100 2
g 20190507143127 18.899 ± 0.057 0,0 100 2
g 20190822094124 18.898 ± 0.049 1025,0 100 2
r 20140722114203 18.199 ± 0.132 512,0 5 2
r 20140729111131 17.885 ± 0.095 0,0 5 2
r 20160420172325 18.043 ± 0.150 512,0 5 2
r 20190505165926 17.808 ± 0.039 0,0 100 2
r 20190506165309 17.791 ± 0.037 0,0 100 2
r 20190507143327 17.797 ± 0.051 1,0 100 2
i 20140722114229 16.892 ± 0.060 0,0 10 2
i 20140729111202 17.036 ± 0.062 0,0 10 2
i 20150901084153 16.916 ± 0.037 0,0 100 2
i 20150901084554 16.950 ± 0.036 0,0 100 2
i 20160420172350 16.988 ± 0.074 0,0 10 2
i 20190505170526 16.938 ± 0.037 0,0 100 2
i 20190509140533 16.936 ± 0.064 1,0 100 2
i 20190720124743 16.931 ± 0.072 1,0 100 2
z 20140722114259 16.476 ± 0.053 0,0 20 2
z 20140729111235 16.469 ± 0.051 0,0 20 2
z 20150901084353 16.418 ± 0.037 0,0 100 2
z 20150901084754 16.450 ± 0.039 0,0 100 2
z 20160420172420 16.489 ± 0.058 0,1 20 2
z 20180605125833 16.609 ± 0.076 0,0 20 2
z 20190505170726 16.464 ± 0.040 0,0 100 2
z 20190508164202 16.497 ± 0.035 1025,0 100 2
z 20190509140733 16.459 ± 0.064 1,0 100 2
z 20190720124943 16.446 ± 0.070 1,0 100 2
z 20210411183118 16.598 ± 0.072 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.18 4.88
GAIA source ID 4121074206312714624 4121074210664534656
Bp mag. 18.683 21.837
G mag. 17.571 20.767
Rp mag. 16.545 19.958
Bp/Rp excess 1.344 1.158
Parallax (mas) 0.153 ± 0.097 -- ± --
PM RA (mas/yr) -1.127 ± 0.121 -- ± --
PM Dec (mas/yr) -7.629 ± 0.083 -- ± --
A.E.N. (mas) 0.0 ± 0.0 1.135 ± 0.198

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.779 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 14.855 ± 0.004
H 14.21 ± 0.02
K 13.943 ± 0.038
W1 13.941 ± 0.023
W2 13.984 ± 0.032
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.