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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179866075 (SMSS J172823.22-205931.7)

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Data releaseDR4
RA (deg)262.097
Dec (deg)-20.992
Galactic lon. (deg)4.648
Galactic lat. (deg)7.539
E(B-V) (SFD98) (mag)0.959
E(B-V) (GNILC) (mag)0.769 ± 0.042
Nearest DR4 source 179866076 (5.7 arcs away)
2nd-nearest DR4 source 179866077 (7.9 arcs away)
3rd-nearest DR4 source 179866073 (8.5 arcs away)
Times observed44
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.199 ± 0.019 17.104 ± 0.010 16.203 ± 0.009 15.706 ± 0.010
Petrosian mag. — — 18.256 ± 0.036 17.152 ± 0.025 16.252 ± 0.019 15.782 ± 0.012

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 20140722114132 18.490 ± 0.135 0,0 5 2
g 20140722114521 18.281 ± 0.103 0,0 5 2
g 20140729111106 18.268 ± 0.100 0,0 5 2
g 20160420172300 18.211 ± 0.143 0,0 5 2
g 20190505165725 18.165 ± 0.031 3,0 100 2
g 20190506165109 18.212 ± 0.027 3,0 100 2
g 20190507143127 18.223 ± 0.034 3,0 100 2
r 20140719114939 17.108 ± 0.065 0,0 5 2
r 20140722114203 17.053 ± 0.054 0,0 5 2
r 20140722114545 17.148 ± 0.053 0,0 5 2
r 20140729111131 17.133 ± 0.052 0,0 5 2
r 20160420172325 17.208 ± 0.069 0,0 5 2
r 20180605125736 17.185 ± 0.081 0,0 5 2
r 20190505165926 17.098 ± 0.031 3,0 100 2
r 20190506165309 17.098 ± 0.030 3,0 100 2
r 20190507143327 17.099 ± 0.036 3,0 100 2
r 20210407183558 17.225 ± 0.073 0,0 5 2
r 20210411183015 17.311 ± 0.086 0,0 5 2
i 20140719115004 16.240 ± 0.040 3,0 10 2
i 20140722114229 16.155 ± 0.040 3,0 10 2
i 20140722114611 16.226 ± 0.035 3,0 10 2
i 20140729111202 16.226 ± 0.038 0,0 10 2
i 20150901084153 16.199 ± 0.030 3,0 100 2
i 20150901084554 16.191 ± 0.031 3,0 100 2
i 20160420172350 16.201 ± 0.040 0,0 10 2
i 20180605125802 16.213 ± 0.050 2,0 10 2
i 20190505170526 16.200 ± 0.031 3,0 100 2
i 20190508164002 16.209 ± 0.028 3,0 100 2
i 20190720124743 16.225 ± 0.060 3,0 100 2
i 20210407183626 16.206 ± 0.044 2,0 10 2
i 20210411183047 16.475 ± 0.060 0,0 10 2
z 20140719115035 15.707 ± 0.038 2,0 20 2
z 20140722114259 15.728 ± 0.035 3,0 20 2
z 20140722114641 15.724 ± 0.031 2,0 20 2
z 20140729111235 15.665 ± 0.036 2,0 20 2
z 20150901084353 15.702 ± 0.027 3,0 100 2
z 20150901084754 15.689 ± 0.029 3,0 100 2
z 20160420172420 15.664 ± 0.033 0,0 20 2
z 20180605125833 15.766 ± 0.045 0,0 20 2
z 20190505170726 15.701 ± 0.031 3,0 100 2
z 20190508164202 15.717 ± 0.027 3,0 100 2
z 20190720124943 15.704 ± 0.057 3,0 100 2
z 20200513183957 16.325 ± 0.040 27,23 100 2
z 20210407183658 15.720 ± 0.040 2,0 20 2
z 20210411183118 15.773 ± 0.043 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.08 4.08
GAIA source ID 4120959105546056960 4120959105546056704
Bp mag. 17.982 --
G mag. 16.878 20.124
Rp mag. 15.845 --
Bp/Rp excess 1.352 --
Parallax (mas) 0.096 ± 0.072 -0.236 ± 0.607
PM RA (mas/yr) -2.818 ± 0.089 -4.671 ± 0.963
PM Dec (mas/yr) -7.863 ± 0.059 -3.567 ± 0.583
A.E.N. (mas) 0.000 ± 0.000 0.000 ± 0.000

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.504 ± 0.005
r 17.141 ± 0.004
i 16.379 ± 0.004
z 15.937 ± 0.004
Y -- ± --
J 14.208 ± 0.028
H 13.403 ± 0.037
K 13.174 ± 0.039
W1 12.975 ± 0.018
W2 13.084 ± 0.017
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.