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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185203688 (SMSS J172805.74-202116.9)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)262.0239
Dec (deg)-20.3547
Galactic lon. (deg)5.1508
Galactic lat. (deg)7.9428
E(B-V) (SFD98) (mag)0.750
E(B-V) (GNILC) (mag)0.609 ± 0.030
Nearest DR4 source 185203689 (6.6 arcs away)
2nd-nearest DR4 source 185203691 (8.9 arcs away)
3rd-nearest DR4 source 185203680 (10.6 arcs away)
Times observed40
Total bad pixels2
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.287 ± 0.022 16.269 ± 0.014 15.471 ± 0.010 15.012 ± 0.011
Petrosian mag. — — 17.305 ± 0.028 16.299 ± 0.019 15.493 ± 0.012 15.024 ± 0.014

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 17.217 ± 0.054 3,0 5 2
g 20140722114132 17.227 ± 0.053 19,4 5 2
g 20140729111106 17.277 ± 0.049 0,0 5 2
g 20160420172300 17.393 ± 0.076 0,0 5 2
g 20180605124544 17.217 ± 0.058 3,0 5 2
g 20190505165725 17.275 ± 0.033 3,0 100 2
g 20190506165109 17.310 ± 0.026 3,0 100 2
g 20210407183532 17.272 ± 0.059 3,0 5 2
r 20140719114939 16.235 ± 0.041 3,0 5 2
r 20140722114203 16.305 ± 0.040 19,1 5 2
r 20140729111131 16.287 ± 0.035 3,0 5 2
r 20160420172325 16.323 ± 0.038 3,0 5 2
r 20180605125736 16.306 ± 0.044 3,0 5 2
r 20190505165926 16.256 ± 0.038 3,0 100 2
r 20190506165309 16.275 ± 0.030 3,0 100 2
r 20190507143327 16.285 ± 0.045 3,20 100 2
r 20190822094324 16.236 ± 0.041 3,0 100 2
r 20210407183558 16.197 ± 0.045 3,0 5 2
i 20140719115004 15.500 ± 0.035 3,0 10 2
i 20140722114229 15.450 ± 0.037 27,11 10 2
i 20140729111202 15.481 ± 0.032 3,0 10 2
i 20150901084153 15.471 ± 0.032 3,0 100 2
i 20150901084554 15.474 ± 0.032 3,0 100 2
i 20160420172350 15.450 ± 0.027 3,2 10 2
i 20180605124636 15.483 ± 0.031 3,0 10 2
i 20190505170526 15.457 ± 0.037 3,0 100 2
i 20190508164002 15.442 ± 0.035 3,0 100 2
i 20190509140533 15.459 ± 0.050 3,0 100 2
i 20190720124743 15.444 ± 0.071 3,0 100 2
i 20200513190610 15.452 ± 0.032 3,0 100 2
i 20210407183626 15.443 ± 0.033 3,0 10 2
z 20140719115035 14.986 ± 0.034 3,0 20 2
z 20140722114259 14.985 ± 0.034 27,11 20 2
z 20140729111235 15.028 ± 0.033 3,0 20 2
z 20150901084353 15.013 ± 0.031 3,0 100 2
z 20150901084754 15.007 ± 0.032 3,0 100 2
z 20160420172420 15.021 ± 0.032 3,0 20 2
z 20180605124707 15.018 ± 0.025 3,0 20 2
z 20180605125833 15.040 ± 0.030 3,0 20 2
z 20190505170726 14.986 ± 0.035 3,0 100 2
z 20190508164202 14.985 ± 0.028 3,0 100 2
z 20190509140733 15.001 ± 0.053 3,0 100 2
z 20190720124943 14.991 ± 0.064 3,0 100 2
z 20200513190811 14.956 ± 0.035 3,0 100 2
z 20210407183658 15.016 ± 0.035 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.17 0.9
GAIA source ID 4121065513299105152 4121065517641749760
Bp mag. 17.150 --
G mag. 16.194 19.718
Rp mag. 15.152 --
Bp/Rp excess 1.400 --
Parallax (mas) 0.249 ± 0.066 -- ± --
PM RA (mas/yr) -3.881 ± 0.078 -- ± --
PM Dec (mas/yr) -5.756 ± 0.053 -- ± --
A.E.N. (mas) 0.245 ± 5.319 1.265 ± 1.304

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 16.334 ± 0.002
i -- ± --
z -- ± --
Y -- ± --
J 13.593 ± 0.023
H 12.835 ± 0.035
K 12.653 ± 0.028
W1 12.508 ± 0.016
W2 12.667 ± 0.014
W3 11.75 ± --
W4 8.326 ± --
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.