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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185152173 (SMSS J172722.04-201950.9)

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Data releaseDR4
RA (deg)261.8417
Dec (deg)-20.3307
Galactic lon. (deg)5.0773
Galactic lat. (deg)8.0993
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.599 ± 0.030
Nearest DR4 source 2275855905 (1.5 arcs away)
2nd-nearest DR4 source 185152174 (6.2 arcs away)
3rd-nearest DR4 source 185152172 (7.9 arcs away)
Times observed13
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — 19.448 ± 0.079 18.545 ± 0.108 18.017 ± 0.109 17.830 ± 0.075
Petrosian mag. — — 19.21 ± 0.107 18.497 ± 0.086 17.818 ± 0.121 17.561 ± 0.064

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 19.397 ± 0.056 1,0 100 2
g 20190507143127 19.502 ± 0.073 1,0 100 2
g 20190822094124 19.514 ± 0.071 1,0 100 2
r 20190506165309 18.552 ± 0.052 1,0 100 2
r 20190507143327 18.677 ± 0.064 1,0 100 2
r 20190822094324 18.639 ± 0.064 1,0 100 2
i 20150901084153 18.025 ± 0.058 1,0 100 2
i 20150901084554 17.958 ± 0.059 1,0 100 2
i 20190508164002 18.132 ± 0.079 1,0 100 2
i 20190720124743 18.023 ± 0.089 17,0 100 2
z 20150901084353 17.703 ± 0.071 0,0 100 2
z 20150901084754 17.622 ± 0.072 1,0 100 2
z 20190508164202 17.886 ± 0.097 0,0 100 2
z 20190720124943 17.660 ± 0.092 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.91 1.42
GAIA source ID 4121252537709625856 4121252537709623808
Bp mag. -- 19.515
G mag. 20.746 18.759
Rp mag. -- 17.850
Bp/Rp excess -- 1.334
Parallax (mas) -- ± -- -0.247 ± 0.301
PM RA (mas/yr) -- ± -- 0.745 ± 0.313
PM Dec (mas/yr) -- ± -- 2.542 ± 0.230
A.E.N. (mas) 1.270 ± 0.177 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.874 ± 0.010
i -- ± --
z -- ± --
Y -- ± --
J 16.525 ± 0.017
H -- ± --
K 15.876 ± 0.037
W1 15.85 ± 0.032
W2 16.373 ± 0.141
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.