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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185152200 (SMSS J172721.13-201928.2)

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Data releaseDR4
RA (deg)261.8380
Dec (deg)-20.3245
Galactic lon. (deg)5.0807
Galactic lat. (deg)8.1056
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185152194 (6.0 arcs away)
2nd-nearest DR4 source 185152201 (11.7 arcs away)
3rd-nearest DR4 source 185152193 (12.6 arcs away)
Times observed26
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 18.780 ± 0.020 17.877 ± 0.017 17.196 ± 0.018 16.802 ± 0.018
Petrosian mag. 18.827 ± 0.048 17.876 ± 0.038 17.191 ± 0.038 16.839 ± 0.029

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 18.762 ± 0.038 3,0 100 2
g 20190507143127 18.793 ± 0.050 3,0 100 2
r 20140722114203 17.882 ± 0.096 0,0 5 2
r 20140729111131 17.759 ± 0.084 0,0 5 2
r 20160420170109 18.122 ± 0.160 0,0 5 2
r 20190506165309 17.858 ± 0.037 3,0 100 2
r 20190507143327 17.872 ± 0.046 3,0 100 2
r 20190822094324 17.890 ± 0.048 3,0 100 2
i 20140719115004 17.142 ± 0.069 0,0 10 2
i 20140722114229 17.115 ± 0.064 0,0 10 2
i 20140729111202 17.244 ± 0.070 0,0 10 2
i 20150901084153 17.163 ± 0.037 3,0 100 2
i 20150901084554 17.145 ± 0.040 3,0 100 2
i 20160420170134 17.155 ± 0.075 0,0 10 2
i 20190508164002 17.181 ± 0.046 3,0 100 2
i 20200513190610 17.167 ± 0.043 19,0 100 2
i 20200524153441 17.295 ± 0.087 0,0 10 2
i 20210407183626 17.346 ± 0.094 0,0 10 2
z 20140719115035 16.741 ± 0.070 0,0 20 2
z 20140722114259 16.714 ± 0.057 0,0 20 2
z 20140729111235 16.779 ± 0.062 0,0 20 2
z 20150901084353 16.782 ± 0.039 3,0 100 2
z 20150901084754 16.786 ± 0.044 3,0 100 2
z 20160420170204 16.946 ± 0.086 0,0 20 2
z 20180605124707 16.899 ± 0.084 0,0 20 2
z 20190508164202 16.766 ± 0.045 3,0 100 2
z 20190720124943 16.785 ± 0.071 19,7 100 2
z 20200513190811 16.837 ± 0.055 19,0 100 2
z 20210407183658 16.741 ± 0.080 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.18 2.79
GAIA source ID 4121255488289821952 4121255492601458688
Bp mag. 18.647 20.949
G mag. 17.957 20.324
Rp mag. 16.851 19.364
Bp/Rp excess 1.550 1.427
Parallax (mas) 1.393 ± 0.400 -1.802 ± 1.346
PM RA (mas/yr) -5.383 ± 0.401 4.012 ± 1.766
PM Dec (mas/yr) -1.040 ± 0.302 -6.548 ± 1.130
A.E.N. (mas) 2.048 ± 58.327 2.995 ± 3.611

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.936 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 15.423 ± 0.007
H -- ± --
K 14.650 ± 0.012
W1 14.84 ± 0.066
W2 15.141 ± 0.047
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.