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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185163015 (SMSS J172749.71-200729.4)

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Data releaseDR4
RA (deg)261.9572
Dec (deg)-20.1248
Galactic lon. (deg)5.3115
Galactic lat. (deg)8.1202
E(B-V) (SFD98) (mag)0.886
E(B-V) (GNILC) (mag)0.624 ± 0.025
Nearest DR4 source 185162625 (7.3 arcs away)
2nd-nearest DR4 source 185163017 (9.0 arcs away)
3rd-nearest DR4 source 185163018 (12.4 arcs away)
Times observed15
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — 19.598 ± 0.068 18.907 ± 0.047 18.211 ± 0.021 17.890 ± 0.022
Petrosian mag. — — 19.550 ± 0.144 18.498 ± 0.305 18.233 ± 0.048 18.078 ± 0.071

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 19.643 ± 0.067 1,0 100 2
r 20140729111131 18.873 ± 0.216 512,0 5 2
r 20190505165926 18.932 ± 0.083 1,0 100 2
r 20190506165309 18.749 ± 0.058 1,0 100 2
i 20150901084153 18.283 ± 0.070 0,0 100 2
i 20150901084554 18.257 ± 0.072 0,0 100 2
i 20190505170526 18.168 ± 0.072 1,0 100 2
i 20190509140533 18.197 ± 0.082 0,0 100 2
i 20190720124743 18.149 ± 0.093 1,0 100 2
i 20200513190610 18.318 ± 0.089 1,0 100 2
z 20140722114259 17.757 ± 0.128 0,0 20 2
z 20140729111235 17.845 ± 0.141 0,0 20 2
z 20150901084353 17.831 ± 0.079 0,0 100 2
z 20150901084754 17.867 ± 0.087 1024,0 100 2
z 20190505170726 17.939 ± 0.101 0,0 100 2
z 20190508164202 17.948 ± 0.106 0,0 100 2
z 20190509140733 18.025 ± 0.109 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.24 2.64
GAIA source ID 4121265452635493760 4121265456934368768
Bp mag. 19.520 --
G mag. 18.797 21.099
Rp mag. 17.766 --
Bp/Rp excess 1.460 --
Parallax (mas) 0.136 ± 0.238 -- ± --
PM RA (mas/yr) -2.287 ± 0.291 -- ± --
PM Dec (mas/yr) -3.144 ± 0.200 -- ± --
A.E.N. (mas) 0.329 ± 0.586 3.366 ± 4.111

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.730 ± 0.005
i -- ± --
z -- ± --
Y -- ± --
J 16.548 ± 0.017
H -- ± --
K 15.885 ± 0.036
W1 -- ± --
W2 -- ± --
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.