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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185206930 (SMSS J172804.75-201211.9)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)262.0198
Dec (deg)-20.2033
Galactic lon. (deg)5.2770
Galactic lat. (deg)8.0283
E(B-V) (SFD98) (mag)0.756
E(B-V) (GNILC) (mag)0.627 ± 0.033
Nearest DR4 source 185207039 (9.2 arcs away)
2nd-nearest DR4 source 185206929 (10.1 arcs away)
3rd-nearest DR4 source 185207041 (10.6 arcs away)
Times observed12
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 19.575 ± 0.029 18.629 ± 0.032 17.862 ± 0.020 17.466 ± 0.077
Petrosian mag. — — 20.274 ± 0.104 19.048 ± 0.080 18.301 ± 0.051 17.736 ± 0.304

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 20190505165725 19.723 ± 0.083 0,0 100 2
g 20190506165109 19.654 ± 0.067 0,0 100 2
g 20190507143127 19.615 ± 0.084 0,0 100 2
r 20140729111131 18.783 ± 0.199 512,0 5 2
r 20190505165926 18.774 ± 0.074 1024,0 100 2
r 20190506165309 18.704 ± 0.056 0,0 100 2
r 20190507143327 18.741 ± 0.072 0,0 100 2
r 20190822094324 18.705 ± 0.066 1024,0 100 2
i 20140729111202 17.976 ± 0.123 0,0 10 2
i 20150901084153 18.133 ± 0.067 1040,0 100 2
i 20150901084554 17.974 ± 0.059 0,0 100 2
i 20190505170526 17.973 ± 0.064 0,0 100 2
i 20190509140533 17.888 ± 0.073 0,0 100 2
i 20190720124743 17.969 ± 0.088 1024,0 100 2
z 20140729111235 17.496 ± 0.105 0,0 20 2
z 20150901084353 17.922 ± 0.088 1040,0 100 2
z 20150901084754 17.607 ± 0.071 0,0 100 2
z 20160420172420 17.261 ± 0.115 0,0 20 2
z 20190505170726 17.683 ± 0.083 1024,0 100 2
z 20190508164202 17.729 ± 0.089 1024,0 100 2
z 20190509140733 17.581 ± 0.084 1024,0 100 2
z 20190720124943 17.641 ± 0.091 1024,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.18 1.77
GAIA source ID 4121255355222631296 4121255355174325248
Bp mag. 19.295 --
G mag. 18.733 20.934
Rp mag. 17.476 --
Bp/Rp excess 1.771 --
Parallax (mas) -- ± -- -- ± --
PM RA (mas/yr) -- ± -- -- ± --
PM Dec (mas/yr) -- ± -- -- ± --
A.E.N. (mas) 15.762 ± 1089.07 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.560 ± 0.005
i -- ± --
z -- ± --
Y -- ± --
J 16.023 ± 0.011
H -- ± --
K 15.295 ± 0.021
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.