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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179866073 (SMSS J172823.35-205940.1)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)262.097
Dec (deg)-20.994
Galactic lon. (deg)4.646
Galactic lat. (deg)7.538
E(B-V) (SFD98) (mag)0.959
E(B-V) (GNILC) (mag)0.769 ± 0.042
Nearest DR4 source 179866077 (6.5 arcs away)
2nd-nearest DR4 source 179866075 (8.5 arcs away)
3rd-nearest DR4 source 179866051 (9.1 arcs away)
Times observed20
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 20.109 ± 0.055 19.059 ± 0.018 18.148 ± 0.048 17.671 ± 0.025
Petrosian mag. — — 20.634 ± 0.193 19.332 ± 0.065 18.525 ± 0.062 18.023 ± 0.078

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 20190506165109 20.174 ± 0.100 0,0 100 2
r 20140729111131 19.245 ± 0.314 512,0 5 2
r 20190429143921 19.041 ± 0.085 16,0 100 3
r 20190505165926 19.042 ± 0.073 0,0 100 2
r 20190506165309 19.031 ± 0.070 0,0 100 2
r 20190507143327 19.096 ± 0.077 0,0 100 2
r 20190822094324 19.167 ± 0.075 0,0 100 2
i 20140722114229 18.286 ± 0.170 0,0 10 2
i 20150901084153 18.256 ± 0.071 0,0 100 2
i 20150901084554 18.191 ± 0.067 0,0 100 2
i 20160420172350 18.091 ± 0.176 0,0 10 2
i 20190505170526 18.268 ± 0.069 0,0 100 2
i 20190508164002 18.332 ± 0.084 0,0 100 2
i 20190720124743 18.348 ± 0.091 0,0 100 2
z 20140722114259 17.725 ± 0.131 0,0 20 2
z 20140729111235 17.746 ± 0.133 0,0 20 2
z 20150901084353 17.644 ± 0.070 0,0 100 2
z 20150901084754 17.765 ± 0.079 0,0 100 2
z 20160420172420 17.609 ± 0.140 0,0 20 2
z 20190505170726 17.854 ± 0.087 0,0 100 2
z 20190508164202 17.870 ± 0.094 0,0 100 2
z 20190720124943 17.791 ± 0.094 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.31 4.23
GAIA source ID 4120959101190033536 4120959105489075840
Bp mag. 19.854 21.099
G mag. 18.745 20.302
Rp mag. 17.764 19.168
Bp/Rp excess 1.300 1.544
Parallax (mas) 0.182 ± 0.248 0.009 ± 1.004
PM RA (mas/yr) -3.500 ± 0.278 -3.399 ± 1.376
PM Dec (mas/yr) -5.788 ± 0.191 -7.756 ± 0.802
A.E.N. (mas) 0.000 ± 0.000 2.876 ± 2.784

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.185 ± 0.013
r 18.901 ± 0.007
i 18.221 ± 0.012
z 17.866 ± 0.012
Y -- ± --
J 16.156 ± 0.013
H -- ± --
K 15.204 ± 0.019
W1 15.462 ± 0.077
W2 15.355 ± 0.082
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.