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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179879254 (SMSS J172926.58-205024.4)

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Data releaseDR4
RA (deg)262.3607
Dec (deg)-20.8400
Galactic lon. (deg)4.9118
Galactic lat. (deg)7.4148
E(B-V) (SFD98) (mag)0.989
E(B-V) (GNILC) (mag)0.876 ± 0.046
Nearest DR4 source 179879281 (9.4 arcs away)
2nd-nearest DR4 source 179879251 (9.5 arcs away)
3rd-nearest DR4 source 179879282 (14.1 arcs away)
Times observed30
Total bad pixels3
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — 18.827 ± 0.055 17.713 ± 0.047 16.745 ± 0.029 16.189 ± 0.022
Petrosian mag. — — 18.404 ± 0.077 17.302 ± 0.085 16.465 ± 0.049 15.929 ± 0.045

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 18.881 ± 0.038 0,0 100 2
g 20190506165109 18.915 ± 0.038 16,0 100 2
g 20190507143127 18.861 ± 0.046 0,0 100 2
g 20190822094124 18.903 ± 0.041 0,0 100 2
r 20140722114203 17.681 ± 0.084 0,0 5 2
r 20140729111131 18.039 ± 0.107 0,0 5 2
r 20160420172325 17.976 ± 0.141 0,0 5 2
r 20190505165926 17.689 ± 0.036 0,0 100 2
r 20190506165309 17.757 ± 0.034 17,0 100 2
r 20190507143327 17.730 ± 0.046 0,0 100 2
r 20190822094324 17.706 ± 0.038 1,0 100 2
i 20140719115004 16.844 ± 0.060 0,0 10 2
i 20140722114229 16.827 ± 0.055 0,0 10 2
i 20140729111202 16.831 ± 0.053 0,0 10 2
i 20150901084153 16.760 ± 0.033 0,0 100 2
i 20150901084554 16.743 ± 0.034 0,0 100 2
i 20160420172350 16.598 ± 0.055 0,3 10 2
i 20180605125802 16.728 ± 0.066 0,0 10 2
i 20190419150817 16.826 ± 0.041 8208,0 100 2
i 20190505170526 16.751 ± 0.034 0,0 100 2
i 20190508164002 16.766 ± 0.037 1,0 100 2
i 20190509140133 16.870 ± 0.041 8192,0 100 2
i 20190509140533 17.137 ± 0.055 17,0 100 2
i 20190720124743 16.75 ± 0.066 0,0 100 2
i 20200513185000 16.856 ± 0.039 8216,4 100 2
i 20210411183047 16.789 ± 0.074 16,0 10 2
z 20140719115035 16.257 ± 0.051 0,0 20 2
z 20140722114259 16.208 ± 0.046 0,0 20 2
z 20140729111235 16.118 ± 0.042 0,0 20 2
z 20150901084353 16.194 ± 0.033 0,0 100 2
z 20150901084754 16.198 ± 0.032 0,0 100 2
z 20160420172420 16.010 ± 0.044 0,0 20 2
z 20180605125833 16.262 ± 0.060 0,0 20 2
z 20190419151018 16.277 ± 0.041 8209,0 100 2
z 20190505170726 16.215 ± 0.034 0,0 100 2
z 20190508164202 16.200 ± 0.036 0,0 100 2
z 20190509140333 16.294 ± 0.045 8192,0 100 2
z 20190509140733 16.969 ± 0.065 17,0 100 2
z 20190720124943 16.191 ± 0.062 0,0 100 2
z 20200513183957 16.234 ± 0.040 8192,0 100 2
z 20200513185201 16.261 ± 0.040 8208,0 100 2
z 20210411183118 16.300 ± 0.060 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.62 2.51
GAIA source ID 4120965079783168256 4120965084078185984
Bp mag. 18.665 20.185
G mag. 17.445 20.112
Rp mag. 16.394 18.518
Bp/Rp excess 1.344 2.506
Parallax (mas) 0.010 ± 0.138 -- ± --
PM RA (mas/yr) 2.453 ± 0.153 -- ± --
PM Dec (mas/yr) -7.024 ± 0.091 -- ± --
A.E.N. (mas) 0.0 ± 0.0 0.797 ± 0.281

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.272 ± 0.007
r 17.803 ± 0.003
i 16.988 ± 0.005
z 16.525 ± 0.005
Y -- ± --
J 14.636 ± 0.033
H 13.78 ± 0.034
K 13.556 ± 0.032
W1 13.392 ± 0.012
W2 13.663 ± 0.012
W3 11.911 ± --
W4 8.402 ± --
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.