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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185000028 (SMSS J172427.93-201501.0)

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Data releaseDR4
RA (deg)261.1164
Dec (deg)-20.2503
Galactic lon. (deg)4.7699
Galactic lat. (deg)8.7132
E(B-V) (SFD98) (mag)0.680
E(B-V) (GNILC) (mag)0.575 ± 0.027
Nearest DR4 source 185000027 (7.6 arcs away)
2nd-nearest DR4 source 185000025 (7.8 arcs away)
3rd-nearest DR4 source 185000020 (9.3 arcs away)
Times observed28
Total bad pixels3
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.077 ± 0.053 17.255 ± 0.031 16.565 ± 0.028 16.218 ± 0.024
Petrosian mag. — — 17.958 ± 0.151 17.136 ± 0.072 16.569 ± 0.041 16.254 ± 0.035

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 18.406 ± 0.117 512,0 5 2
g 20190505165725 18.067 ± 0.032 2,0 100 2
g 20190506165109 18.083 ± 0.028 16,0 100 2
g 20190507143127 18.086 ± 0.038 2,0 100 2
g 20190822094124 18.520 ± 0.041 3,0 100 2
r 20140719114939 17.203 ± 0.067 0,0 5 2
r 20140722114203 17.098 ± 0.056 0,0 5 2
r 20160420170109 17.238 ± 0.075 0,3 5 2
r 20190505165926 17.214 ± 0.033 0,0 100 2
r 20190506165309 17.208 ± 0.030 16,0 100 2
r 20190507143327 17.550 ± 0.040 3,0 100 2
r 20190822094324 17.206 ± 0.035 3,0 100 2
r 20200524153415 17.315 ± 0.076 0,0 5 2
r 20210407183558 17.284 ± 0.078 0,0 5 2
i 20140719115004 16.528 ± 0.048 0,0 10 2
i 20140722114229 16.534 ± 0.045 0,0 10 2
i 20150901084153 16.531 ± 0.034 0,0 100 2
i 20150901084554 17.268 ± 0.037 24,13 100 2
i 20160420170134 16.458 ± 0.047 0,0 10 2
i 20190505170526 16.499 ± 0.032 0,0 100 2
i 20190508164002 16.561 ± 0.031 3,0 100 2
i 20190720124743 16.544 ± 0.057 0,0 100 2
i 20200524153441 16.619 ± 0.056 0,0 10 2
i 20210407183626 16.556 ± 0.054 0,0 10 2
z 20140719115035 16.201 ± 0.048 0,0 20 2
z 20140722114259 16.178 ± 0.043 0,0 20 2
z 20150901084353 16.116 ± 0.035 0,0 100 2
z 20150901084754 16.146 ± 0.034 24,12 100 2
z 20160420170204 16.198 ± 0.046 0,0 20 2
z 20190505170726 16.143 ± 0.033 0,0 100 2
z 20190508164202 16.183 ± 0.030 0,0 100 2
z 20190720124943 16.199 ± 0.055 0,0 100 2
z 20200513170916 16.237 ± 0.035 24,0 100 2
z 20200524153511 16.210 ± 0.058 0,0 20 3
z 20210407183658 16.199 ± 0.056 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.57 1.92
GAIA source ID 4121292356290245376 4121292360621456256
Bp mag. 18.170 19.188
G mag. 17.264 18.423
Rp mag. 16.307 17.622
Bp/Rp excess 1.331 1.239
Parallax (mas) 0.141 ± 0.089 0.385 ± 0.174
PM RA (mas/yr) -2.101 ± 0.108 -4.628 ± 0.220
PM Dec (mas/yr) -5.654 ± 0.071 -4.729 ± 0.141
A.E.N. (mas) 0.0 ± 0.0 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.671 ± 0.005
r 17.448 ± 0.002
i 16.844 ± 0.004
z 16.513 ± 0.004
Y -- ± --
J 14.865 ± 0.035
H 14.246 ± 0.038
K 14.009 ± 0.006
W1 13.84 ± 0.035
W2 14.02 ± 0.051
W3 12.422 ± --
W4 9.002 ± --
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.