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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151973 (SMSS J172717.64-201922.0)

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Data releaseDR4
RA (deg)261.8235
Dec (deg)-20.3228
Galactic lon. (deg)5.0747
Galactic lat. (deg)8.1179
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 2275855696 (3.0 arcs away)
2nd-nearest DR4 source 185151984 (7.2 arcs away)
3rd-nearest DR4 source 185151970 (7.6 arcs away)
Times observed36
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.003 ± 0.079 17.374 ± 0.042 16.774 ± 0.03 16.456 ± 0.031
Petrosian mag. — — 17.263 ± 0.175 16.623 ± 0.173 16.519 ± 0.083 16.349 ± 0.031

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 18.067 ± 0.084 0,0 5 2
g 20140729111106 18.127 ± 0.088 512,0 5 2
g 20190505165725 18.248 ± 0.034 17,0 100 2
g 20190506165109 18.049 ± 0.029 3,0 100 2
g 20190507143127 18.221 ± 0.042 1,0 100 2
r 20140719114939 17.426 ± 0.076 0,0 5 2
r 20140722114203 17.417 ± 0.067 0,0 5 2
r 20140729111131 17.366 ± 0.063 0,0 5 2
r 20160420170109 17.439 ± 0.089 0,0 5 2
r 20190505165926 17.353 ± 0.037 18,0 100 2
r 20190506165309 17.277 ± 0.033 3,0 100 2
r 20190507143327 17.532 ± 0.043 1,0 100 2
r 20200524153415 17.410 ± 0.085 0,0 5 2
r 20210407183558 17.418 ± 0.087 0,0 5 2
i 20140719115004 16.732 ± 0.053 0,0 10 2
i 20140722114229 16.677 ± 0.050 0,0 10 2
i 20140729111202 16.646 ± 0.048 0,0 10 2
i 20150901084153 16.714 ± 0.033 3,0 100 2
i 20150901084554 16.725 ± 0.036 3,0 100 2
i 20160420170134 16.756 ± 0.055 0,0 10 2
i 20180605124636 16.841 ± 0.065 0,0 10 2
i 20190505170526 16.684 ± 0.038 3,0 100 2
i 20190508164002 16.870 ± 0.042 1,0 100 2
i 20190509140533 16.728 ± 0.049 2,0 100 2
i 20200513190610 16.764 ± 0.036 2,0 100 2
i 20200524153441 16.796 ± 0.060 0,0 10 2
i 20210407183626 16.742 ± 0.060 0,0 10 2
z 20140719115035 16.455 ± 0.057 0,0 20 2
z 20140722114259 16.330 ± 0.046 0,0 20 2
z 20140729111235 16.332 ± 0.048 0,0 20 2
z 20150901084353 16.394 ± 0.034 0,0 100 2
z 20150901084754 16.437 ± 0.038 0,0 100 2
z 20160420170204 16.463 ± 0.058 0,0 20 2
z 20180605124707 16.482 ± 0.060 0,0 20 2
z 20190505170726 16.348 ± 0.041 2,0 100 2
z 20190508164202 16.365 ± 0.038 0,0 100 2
z 20190509140733 16.450 ± 0.055 0,0 100 2
z 20200513190811 16.483 ± 0.045 0,0 100 2
z 20200524153511 16.534 ± 0.072 0,0 20 3
z 20210407183658 16.398 ± 0.063 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.9 1.1
GAIA source ID 4121255522648257664 4121255527006890880
Bp mag. 18.465 --
G mag. 17.818 18.465
Rp mag. 16.723 --
Bp/Rp excess 1.554 --
Parallax (mas) 0.263 ± 0.250 -- ± --
PM RA (mas/yr) -0.278 ± 0.257 -- ± --
PM Dec (mas/yr) -0.713 ± 0.180 -- ± --
A.E.N. (mas) 0.980 ± 15.558 6.419 ± 277.601

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.885 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 15.486 ± 0.007
H -- ± --
K 14.752 ± 0.014
W1 14.322 ± 0.014
W2 14.591 ± 0.024
W3 12.405 ± --
W4 8.866 ± --
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.