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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185152654 (SMSS J172721.16-201837.3)

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Data releaseDR4
RA (deg)261.8382
Dec (deg)-20.3104
Galactic lon. (deg)5.0928
Galactic lat. (deg)8.1131
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.592 ± 0.029
Nearest DR4 source 185152653 (8.7 arcs away)
2nd-nearest DR4 source 185152652 (8.8 arcs away)
3rd-nearest DR4 source 185152658 (10.0 arcs away)
Times observed37
Total bad pixels2
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — 17.482 ± 0.013 16.558 ± 0.011 15.826 ± 0.009 15.401 ± 0.011
Petrosian mag. — — 17.450 ± 0.031 16.553 ± 0.026 15.849 ± 0.015 15.431 ± 0.013

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 20140719114908 17.535 ± 0.061 0,0 5 2
g 20140722114132 17.485 ± 0.055 0,0 5 2
g 20140729111106 17.574 ± 0.059 0,0 5 2
g 20160420170043 17.518 ± 0.084 0,0 5 2
g 20180605124544 17.569 ± 0.075 0,0 5 2
g 20190506165109 17.463 ± 0.026 1,0 100 2
g 20190507143127 17.455 ± 0.038 1,0 100 2
g 20190822094124 17.474 ± 0.038 1,0 100 2
g 20210407183532 17.648 ± 0.079 0,0 5 2
r 20140719114939 16.569 ± 0.044 0,0 5 2
r 20140722114203 16.589 ± 0.041 0,0 5 2
r 20140729111131 16.593 ± 0.040 0,0 5 2
r 20160420170109 16.570 ± 0.045 0,0 5 2
r 20190506165309 16.539 ± 0.030 1,0 100 2
r 20190507143327 16.540 ± 0.040 1,0 100 2
r 20190822094324 16.543 ± 0.041 1,0 100 2
r 20200524153415 16.608 ± 0.053 0,0 5 2
r 20210407183558 16.549 ± 0.052 0,0 5 2
i 20140719115004 15.841 ± 0.035 0,0 10 2
i 20140722114229 15.814 ± 0.036 0,0 10 2
i 20140729111202 15.824 ± 0.034 0,0 10 2
i 20150901084153 15.819 ± 0.029 0,0 100 2
i 20150901084554 15.815 ± 0.033 0,0 100 2
i 20160420170134 15.833 ± 0.029 0,0 10 2
i 20180605124636 15.839 ± 0.036 0,0 10 2
i 20190508164002 15.818 ± 0.036 1,0 100 2
i 20190720124743 17.975 ± 0.085 24,11 100 2
i 20200513190610 15.825 ± 0.030 17,0 100 2
i 20200524153441 15.813 ± 0.037 0,0 10 2
i 20210407183626 15.834 ± 0.038 0,0 10 2
z 20140719115035 15.400 ± 0.036 0,0 20 2
z 20140722114259 15.380 ± 0.033 0,0 20 2
z 20140729111235 15.397 ± 0.035 0,0 20 2
z 20150901084353 15.404 ± 0.028 0,0 100 2
z 20150901084754 15.412 ± 0.032 0,0 100 2
z 20160420170204 15.41 ± 0.029 0,2 20 2
z 20180605124707 15.432 ± 0.030 0,0 20 2
z 20190508164202 15.401 ± 0.031 0,0 100 2
z 20190720124943 15.393 ± 0.065 24,13 100 2
z 20200513190811 15.415 ± 0.034 16,0 100 2
z 20200524153511 15.461 ± 0.039 0,0 20 3
z 20210407183658 15.411 ± 0.039 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.14 1.24
GAIA source ID 4121255664445845760 4121255664400327168
Bp mag. 17.372 --
G mag. 16.471 19.439
Rp mag. 15.486 --
Bp/Rp excess 1.359 --
Parallax (mas) 0.095 ± 0.083 -- ± --
PM RA (mas/yr) -5.536 ± 0.085 -- ± --
PM Dec (mas/yr) -2.508 ± 0.063 -- ± --
A.E.N. (mas) 0.162 ± 1.817 0.277 ± 0.129

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 16.62 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 14.052 ± 0.021
H 13.327 ± 0.026
K 13.158 ± 0.028
W1 13.018 ± 0.012
W2 13.241 ± 0.012
W3 12.311 ± --
W4 8.839 ± --
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.