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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179900619 (SMSS J172816.87-203614.6)

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Data releaseDR4
RA (deg)262.0703
Dec (deg)-20.6041
Galactic lon. (deg)4.9632
Galactic lat. (deg)7.7709
E(B-V) (SFD98) (mag)0.862
E(B-V) (GNILC) (mag)0.742 ± 0.036
Nearest DR4 source 2268139447 (4.6 arcs away)
2nd-nearest DR4 source 179900624 (6.1 arcs away)
3rd-nearest DR4 source 179900621 (7.9 arcs away)
Times observed9
Total bad pixels0
Observing flags1027

Magnitudes

Filter u v g r i z
PSF mag. — — 19.643 ± 0.018 18.735 ± -- 18.046 ± 0.031 17.797 ± 0.074
Petrosian mag. — — 20.094 ± 0.113 18.888 ± -- 18.205 ± 0.118 17.905 ± 0.104

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 19.593 ± 0.064 1,0 100 2
g 20190506165109 19.690 ± 0.066 3,0 100 2
g 20190507143127 19.617 ± 0.084 1,0 100 2
r 20190505165926 18.737 ± 0.058 1027,0 100 2
r 20190506165309 18.700 ± 0.055 1027,0 100 2
r 20190507143327 18.845 ± 0.076 1027,0 100 2
i 20140722114229 18.018 ± 0.133 0,0 10 2
i 20150901084153 18.133 ± 0.064 1025,0 100 2
i 20160420172350 18.176 ± 0.191 0,0 10 2
i 20190505170526 17.999 ± 0.057 1,0 100 2
i 20190509140533 18.077 ± 0.074 1027,0 100 2
i 20190720124743 18.052 ± 0.080 3,0 100 2
i 20200513190610 18.194 ± 0.087 1025,0 100 2
z 20140722114259 17.908 ± 0.153 512,0 20 2
z 20150901084353 17.792 ± 0.079 1024,0 100 2
z 20160420172420 17.872 ± 0.178 0,0 20 2
z 20190505170726 17.830 ± 0.085 1024,0 100 2
z 20190508164202 17.860 ± 0.099 1024,0 100 2
z 20190509140733 17.869 ± 0.100 1024,0 100 2
z 20190720124943 17.912 ± 0.100 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.21 2.73
GAIA source ID 4121022288750180480 4121022293072387712
Bp mag. 19.505 20.556
G mag. 18.668 19.950
Rp mag. 17.768 18.953
Bp/Rp excess 1.300 1.469
Parallax (mas) 0.188 ± 0.259 -0.564 ± 0.789
PM RA (mas/yr) 1.143 ± 0.260 -1.074 ± 0.768
PM Dec (mas/yr) -7.247 ± 0.206 -5.975 ± 0.559
A.E.N. (mas) 0.0 ± 0.0 0.0 ± 0.000

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.725 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 16.400 ± 0.016
H -- ± --
K 15.707 ± 0.029
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.